US2004259958A1PendingUtilityA1

Non-halogenated phenoxy and/or benzyloxy substituted phenols, antimicrobial compositions containing the same, and methods of using the same

Priority: Dec 20, 2000Filed: Jun 14, 2004Published: Dec 23, 2004
Est. expiryDec 20, 2020(expired)· nominal 20-yr term from priority
C07C 43/23A61K 8/347C07C 43/295A01N 31/16A61Q 11/00
42
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

Antimicrobial compounds, compositions containing the same, and methods of using of the same for reducing the presence of microorganisms on a substrate or in a fluid environment comprising an antimicrobial effective carrier and at least one antimicrobial compounds including non-halogenated phenoxy and/or benzyloxy substituted phenol compounds.

Claims

exact text as granted — not AI-modified
What is claimed is:  
     
         1 . The compound of Formula (1):  
       
         
           
           
               
               
           
         
       
       wherein 
 R 1  is selected from the group  
                     
 R 2  and R 3  are each independently selected from the group consisting of hydrogen; an alkyl group; a cycloalkyl group; an alkenyl group; a cycloalkenyl group; a hydroxyalkyl group; a hydroxycycloalkyl group; an alkyl group substituted with phenyl in which phenyl is optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; phenyl optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; and benzyl optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group;  
 R 4  is selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, benzyl, and phenyl;  
 R 5  is selected from the group consisting of hydroxyl, benzyl, alkoxy, hydroxyalkyl, and cycloalkyl optionally substituted with hydroxyl; and  
 R 6  and R 7  are each independently selected from the group consisting of hydrogen; an alkyl group; a cycloalkyl group; an alkenyl group; a cycloalkenyl group; benzyl, an alkoxy group; phenyl optionally substituted with an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; an alkyl group substituted with phenyl in which phenyl is optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; phenoxy; and benzyloxy;  
 with the proviso that:  
 a) when R 1  is a  
                     
  and R 2  and R 4  are each hydrogen, and 
 1) when R 3  is hydrogen, then R 6  is not hydrogen, methyl, tert-butyl, phenyl, or phenoxy;  
 2) when R 5  is hydroxyl and one of R 3  and R 6  is hydrogen, then the other ot R 3  and R 6  is not selected from the group consisting of hydrogen, n-propyl, n-butyl, n-pentyl, 1-methylethyl, 2-methylpropyl, 3-methylbutyl, benzyl, or cyclohexyl;  
 3) when R 3  and R 6  are each hydrogen, then R 5  is not benzyl;  
 4) when R 5  is hydroxyl and R 3  is ethyl, then R 6  is not methyl;  
 5) when R 5  is hydroxyl and R 3  is tert-butyl, then R 6  is not tert-butyl;  
 
 b) when R 1  is a  
                     
  R 3 , R 4  and R 6  are each hydrogen, and R 5  is hydroxyl, then R 2  is not selected from the group consisting of phenyl and tert-butyl;  
 c) when R 1  is a  
                     
  R 5  is hydroxyl, and R 6  is hydrogen, then none of R 2 , R 3 , and R 4  is C 1 -C 4  alkyl, the other two of R 2 , R 3 , and R 4  being hydrogen;  
 d) when R 1  is a  
                     
  at least one of R 2 , R 3  and R 4  is not hydrogen, and  
 e) when R 1  is a  
                     
  each of R 2 , and R 3  is hydrogen, R 7  and R 4  is tert-butyl, then R 7  is not hydrogen  
 
     
     
         2 . The compound of  claim 1  wherein each of R 3 , and R 6  are selected from the group consisting of straight and branched alkyl groups.  
     
     
         3 . The compound of  claim 1  wherein each of R 3 , R 5 , and R 6  is a cycloalkyl group.  
     
     
         4 . The compound of  claim 1  further including a member selected from the group consisting of 2-(2-hydroxyphenoxy)-5-heptylphenol, 2-(2-hydroxyphenoxy)-5-octylphenol, 2-but-2-enyl-6-(2-methoxyphenoxy)phenol, 2-(2-methoxyphenoxy)-6-butylphenol, 2-(2-hydroxyphenoxy),6-(3-hydroxypropyl)phenol, 6-(2-hydroxypropyl)-2-(2-methoxyphenoxy)phenol, 6-(3-hydroxypropyl)-2-(2-methoxyphenoxy)phenol, 6-(3-hydroxy-1-methylpropyl)-2-(2-hydroxyphenoxy)phenol, 6-(1-methyl-3-hydroxypropyl)-2-(2-methoxyphenoxy)phenol, 2-(2-hydroxyphenoxy)-6-(2-hydroxycyclohexyl)phenol, 2-(2-hydroxyphenoxy)-6-(3-hydroxycyclohexyl)phenol, 2-(2-methoxyphenoxy)-6-prop-2-enylphenol, 2-(2-methoxyphenoxy)-6-(1-methylprop-2-enyl)phenol, 2-(2-methoxyphenoxy)-6-propylphenol, 2-tert-butyl-6-phenylmethoxyphenol, 2-phenylmethoxy-4-cyclohexylphenol, 2-(2-hydroxy-4-tert-butylphenoxy)-6-propylphenol, 2-(2-hydroxyphenoxy)-5-cyclohexylmethylphenol, 2-(2-hydroxyphenoxy)-6-cyclohexylphenol.  
     
     
         5 . An antimicrobial composition comprising an antimicrobial effective amount of at least one antimicrobial compound of Formula (II):  
       
         
           
           
               
               
           
         
       
       wherein 
 R 1  is selected from the group  
                     
 R 2  and R 3  are each independently selected from the group consisting of hydrogen; an alkyl group; a cycloalkyl group; an alkenyl group; a cycloalkenyl group; a hydroxyalkyl group; a hydroxycycloalkyl group; an alkyl group substituted with phenyl in which phenyl is optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; phenyl optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; and benzyl optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group;  
 R 4  is selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, benzyl, and phenyl;  
 R 5  is selected from the group consisting of hydroxyl, benzyl, alkoxy, hydroxyalkyl, and cycloalkyl optionally substituted with hydroxyl; and  
 R 6  and R 7  are each independently selected from the group consisting of hydrogen; an alkyl group; a cycloalkyl group; an alkenyl group; a cycloalkenyl group; benzyl, an alkoxy group; phenyl optionally substituted with an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; an alkyl group substituted with phenyl in which phenyl is optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; phenoxy; and benzyloxy;  
 with the proviso that:  
 a) when R 1  is  
                     
  and R 2  and R 4  are each hydrogen, and 
 1) when R 3  is hydrogen, then R 6  is not hydrogen or methyl;  
 2) when R 3  is hydrogen and R 5  is hydroxyl, then R 6  is not hydrogen;  
 3) when R 3  is tert-butyl and R 5  is hydroxyl, then R 6  is not 4-tert-butyl;  
 
 b) when R 1  is  
                     
  then none of R 2 , R 3  and R 4  is C 1 -C 4  alkyl, the other two of R 2 , R 3  and R 4  being hydrogen;  
 c) when R 1  is a  
                     
  then each of R 2 , R 3 , R 4  and R 7  are not hydrogen; and  
 an antimicrobial effective carrier.  
 
     
     
         6 . The antimicrobial composition of  claim 5  wherein the antimicrobial effective carrier is selected from the group consisting of water, saline, alcohol, glycerin, propylene glycol, mineral oil, petrolatum, and mixtures thereof.  
     
     
         7 . The antimicrobial composition of  claim 5  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 3  and R 4  are hydrogen, and R 2  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         8 . The antimicrobial composition of  claim 5  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 2  and R 4  are hydrogen, and R 3  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         9 . The antimicrobial composition of  claim 5  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 2  and R 3  are hydrogen, and R 4  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         10 . The antimicrobial composition of  claim 5  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       and R 5  is alkoxy.  
     
     
         11 . The antimicrobial composition of  claim 10  wherein each of R 3  and R 4  is hydrogen and R 2  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         12 . The antimicrobial composition of  claim 10  wherein each of R 2  and R 4  is hydrogen and R 3  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         13 . The antimicrobial composition of  claim 10  wherein each of R 2  and R 3  is hydrogen and R 4  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         14 . The antimicrobial composition of  claim 5  wherein the antimicrobial effective amount is from about 0.0001 to 10% by weight of the total weight of the antimicrobial composition.  
     
     
         15 . The antimicrobial composition of  claim 14  wherein the antimicrobial effective amount is from about 0.001 to 5% by weight.  
     
     
         16 . The antimicrobial composition of  claim 5  wherein the antimicrobial compounds of Formula (II) are selected from the group consisting of 2-(2-Hydroxy-4-methylPhenoxy)-5-ethylPhenol, 2-(2-HydroxyPhenoxy)-5-heptylPhenol, 2-(2-HydroxyPhenoxy)-5-octylPhenol, 2-but-2-enyl-6-(2-methoxyphenoxy)phenol, 2-(2-methoxyphenoxy)-6-butylphenol, 2-(2-hydroxyphenoxy)-6-(3-hydroxypropyl)phenol, 6-(2-hydroxypropyl)-2-(2-methoxyphenoxy)phenol, 6-(3-hydroxypropyl)-2-(2-methoxyphenoxy)phenol, 6-(3-hydroxy-1-methylpropyl)-2-(2-hydroxyphenoxy)phenol, 6-(3-hydroxy-1-methylpropyl)-2-(2-methoxyphenoxy)phenol, 2-(2-hydroxyphenoxy)-6-(2-hydroxycyclohexyl)phenol, 2-(2-hydroxyphenoxy)-6-(3-hydroxycyclohexyl)phenol, 2-(2-methoxyphenoxy)-6-prop-2-enylphenol, 2-(2-methoxyphenoxy)-6-(1-methylprop-2-enyl)phenol, 2-(2-methoxyphenoxy)-6-propylphenol, 2-tert-butyl-6-phenylmethoxyphenol, 2-(4-(1-methyl-1-ethylpropyl)-phenylmethoxy)phenol, 2-phenylmethoxy-4-cyclohexylphenol, 2-(2-hydroxy-4-tert-butylphenoxy)-6-propylphenol, 2-(2-hydroxyphenoxy)-5-cyclohexylmethylphenol, 2-(2-hydroxyphenoxy)-6-cyclohexylphenol, 2-(2-methoxyphenoxy)-6-but-2-enylphenol, 2-(2-methoxyphenoxy)-5-phenylmethylphenol.  
     
     
         17 . An oral composition comprising an antimicrobial effective amount of at least one antimicrobial compound of Formula (III):  
       
         
           
           
               
               
           
         
       
       wherein 
 R 1  is selected from the group  
                     
 R 2  and R 3  are each independently selected from the group consisting of hydrogen; an alkyl group; a cycloalkyl group; an alkenyl group; a cycloalkenyl group; a hydroxyalkyl group; a hydroxycycloalkyl group; an alkyl group substituted with phenyl in which phenyl is optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; phenyl optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; and benzyl optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group;  
 R 4  is selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, benzyl, and phenyl;  
 R 5  is selected from the group consisting of hydroxyl, benzyl, alkoxy, hydroxyalkyl, and cycloalkyl optionally substituted with hydroxyl; and  
 R 6  and R 7  are each independently selected from the group consisting of hydrogen; an alkyl group; a cycloalkyl group; an alkenyl group; a cycloalkenyl group; benzyl, an alkoxy group; phenyl optionally substituted with an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; an alkyl group substituted with phenyl in which phenyl is optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; phenoxy; and benzyloxy;  
 with the proviso that  
 a) when R 1  is  
                     
  then each of R 2 , R 3 , R 4 , and R 6  is not hydrogen; and  
 b) when R 1  is  
                     
  then none of R 2 , R 3  and R 4  is C 1 -C 4  alkyl, the other two of R 2 , R 3  and R 4  being hydrogen; and  
 an orally acceptable carrier.  
 
     
     
         18 . The oral composition of  claim 17  wherein the orally acceptable carrier is selected from the group consisting of water, saline, alcohol, glycerin, propylene glycol and mixtures thereof.  
     
     
         19 . The oral composition of  claim 17  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 3  and R 4  are hydrogen, and R 2  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         20 . The oral composition of  claim 17  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 2  and R 4  are hydrogen, and R 3  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         21 . The oral composition of  claim 17  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 2  and R 3  are hydrogen, and R 4  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         22 . The oral composition of  claim 17  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       and R 5  is alkoxy.  
     
     
         23 . The oral composition of  claim 22  wherein each of R 3  and R 4  is hydrogen and R 2  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         24 . The oral composition of  claim 22  wherein each of R 2  and R 4  is hydrogen and R 3  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         25 . The oral composition of  claim 22  wherein each of R 2  and R 3  is hydrogen and R 4  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         26 . The oral composition of  claim 17  wherein the antimicrobial effective amount is from about 0.0001 to 10% by weight of the total weight of the oral composition.  
     
     
         27 . The oral composition of  claim 26  wherein the antimicrobial effective amount is from about 0.001 to 5% by weight.  
     
     
         28 . An oral composition comprising an antimicrobial effective amount of at least one antimicrobial compound of Formula (IV):  
       
         
           
           
               
               
           
         
       
       wherein 
 R 1  is selected from the group consisting of  
                     
 R 2  and R 3  are each independently selected from the  
                     
  group consisting of hydrogen; an alkyl group; a cycloalkyl group; an alkenyl group; a cycloalkenyl group; a hydroxyalkyl group; a hydroxycycloalkyl group; an alkyl group substituted with phenyl in which phenyl is optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; phenyl optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; and benzyl optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group;  
 R 4  is selected from the group consisting of hydrogen, an alkyl group, a cycloalkyl group, benzyl, and phenyl;  
 R 5  is selected from the group consisting of hydroxyl, benzyl, alkoxy, hydroxyalkyl, and cycloalkyl optionally substituted with hydroxyl; and  
 R 6  and R 7  are each independently selected from the group consisting of hydrogen; an alkyl group; a cycloalkyl group; an alkenyl group; a cycloalkenyl group; benzyl, an alkoxy group; phenyl optionally substituted with an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; an alkyl group substituted with phenyl in which phenyl is optionally substituted with a member selected from the group consisting of an alkyl group, a cycloalkyl group, a hydroxyalkyl group, and a hydroxycycloalkyl group; phenoxy; and benzyloxy;  
 with the proviso that  
 when R 1  is  
                     
 then each of R 2 , R 3 , R 4 , and R 6  is not hydrogen; and an orally acceptable carrier.  
 
     
     
         29 . The oral composition of  claim 28  further comprising at least one essential oil.  
     
     
         30 . The oral composition of  claim 29  wherein the essential oil is selected from the group consisting of thymol, menthol, eucalyptol, methyl salicylate, and combinations thereof.  
     
     
         31 . The oral composition of  claim 30 , wherein the essential oil comprises: 
 an amount of from about 0.005 to 0.5% menthol;    an amount of from about 0.005 to 0.5% eucalyptol;    an amount of from about 0.005 to 0.5% methyl salicytate; and    an amount of from about 0.005 to 0.5% thymol.    
     
     
         32 . The oral composition of  claim 28  wherein the antimicrobial compounds of Formula (IV) are selected from the group consisting of 2-(2-Hydroxy-4-methylPhenoxy)-5-ethylPhenol, 2-(2-HydroxyPhenoxy)-5-heptylPhenol, 2-(2-HydroxyPhenoxy)-5-octylPhenol, 2-but-2-enyl-6-(2-methoxyphenoxy)phenol, 2-(2-methoxyphenoxy)-6-butylphenol, 2-(2-hydroxyphenoxy)-6-(3-hydroxypropyl)phenol, 6-(2-hydroxypropyl)-2-(2-methoxyphenoxy)phenol, 6-(3-hydroxypropyl)-2-(2-methoxyphenoxy)phenol, 6-(3-hydroxy-1-methylpropyl)-2-(2-hydroxyphenoxy)phenol, 6-(3-hydroxy-1-methylpropyl)-2-(2-methoxyphenoxy)phenol, 2-(2-hydroxyphenoxy)-6-(2-hydroxycyclohexyl)phenol, 2-(2-hydroxyphenoxy)-6-(3-hydroxycyclohexyl)phenol, 2-(2-methoxyphenoxy)-6-prop-2-enylphenol, 2-(2-methoxyphenoxy)-6-(1-methylprop-2-enyl)phenol, 2-(2-methoxyphenoxy)-6-propylphenol, 2-tert-butyl-6-phenylmethoxyphenol, 2-(4-(1-methyl-1-ethylpropyl)-phenylmethoxy)phenol, 2-phenylmethoxy-4-cyclohexylphenol, 2-(2-hydroxy-4-tert-butylphenoxy)-6-propylphenol, 2-(2-hydroxyphenoxy)-5-cyclohexylmethylphenol, 2-(2-hydroxyphenoxy)-6-cyclohexylphenol, 2-(2-methoxyphenoxy)-6-but-2-enylphenol, 2-(2-methoxyphenoxy)-5-phenylmethylphenol.  
     
     
         33 . A method of reducing the presence of microorganisms on a substrate comprising treating the substrate with an effective amount of the antimicrobial composition of  claim 5 .  
     
     
         34 . The method of  claim 33  wherein the antimicrobial effective carrier is selected from the group consisting of water, saline, alcohol, glycerin, propylene glycol, mineral oil, petrolatum, and mixtures thereof.  
     
     
         35 . The method of  claim 33  wherein the antimicrobial effective amount is from about 0.0001 to 10% by weight.  
     
     
         36 . The method of  claim 35  wherein the antimicrobial effective amount is from about 0.001 to 5% by weight.  
     
     
         37 . The method of  claim 33  wherein the antimicrobial composition is in the form of a member selected from the group consisting of a deodorant, a soap, an ointment, and a cream.  
     
     
         38 . A method of reducing the presence of microorganisms in an oral cavity comprising administering into the oral cavity an effective amount of the oral composition of  claim 17 .  
     
     
         39 . The method of  claim 38  wherein the orally acceptable carrier is selected from the group consisting of water, saline, alcohol, glycerin, propylene glycol, and mixtures thereof.  
     
     
         40 . The method of  claim 38  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 3  and R 4  are hydrogen, and R 2  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         41 . The method of  claim 40  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 2  and R 4  are hydrogen, and R 3  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         42 . The method of  claim 40  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       each of R 2  and R 3  are hydrogen, and R 4  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         43 . The method of  claim 40  wherein R 1  is  
       
         
           
           
               
               
           
         
       
       and R 5  is alkoxy.  
     
     
         44 . The method of  claim 43  wherein each of R 3  and R 4  is hydrogen and R 2  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         45 . The method of  claim 43  wherein each of R 2  and R 4  is hydrogen and R 3  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         46 . The method of  claim 43  wherein each of R 2  and R 3  is hydrogen and R 4  is selected from the group consisting of alkyl, hydroxyalkyl, cycloalkyl, hydroxycycloalkyl, alkenyl, phenyl and benzyl.  
     
     
         47 . The method of  claim 38  wherein the effective amount is from about 0.0001 to 10% by weight.  
     
     
         48 . The method of  claim 47  wherein the effective amount is from about 0.001 to 5% by weight.  
     
     
         49 . The method of  claim 48  wherein the oral composition is in the form of a member selected from the group consisting of a mouthrinse, a dentifrice, a chewing gum, a lozenge, a dispersible oral film, and an oral film forming dentifrice.

Join the waitlist — get patent alerts

Track US2004259958A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.