Inventor

SPRECKER MARK A

US281 patents

Patents

50 patents

US4136208AJan 23, 1979

Bioprocess for the high-yield production of food flavor-acceptable jasmonic acid and methyl jasmonate

INT FLAVORS & FRAGRANCES INC52 citations94

US6303798B1Oct 16, 2001

Methylene dioxy tetrahydroindane derivative

INT FLAVORS & FRAGRANCES INC19 citations93

US4772583ASep 20, 1988

Beta-alkylidene phenethyl alcohol esters and ethers, organoleptic uses thereof and processes for preparing same

INT FLAVORS & FRAGRANCES INC33 citations93

US6462015B1Oct 8, 2002

Bicyclic lactones, perfumery uses thereof, processes for preparing same and intermediates therefor

INT FLAVORS & FRAGRANCES INC27 citations92

US6271193B1Aug 7, 2001

Carbon containing functional group substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, processes for preparing same and uses thereof

INT FLAVORS & FRAGRANCES INC26 citations92

US4962090AOct 9, 1990

2,4-disubstituted and 2,2,4-trisubstituted tetrahydropyranyl-4-ethers, process for preparing same and perfumery uses thereof

INT FLAVORS & FRAGRANCES INC24 citations92

US6919477B2Jul 19, 2005

Fruity musk compositions

INT FLAVORS & FRAGRANCES INC16 citations90

US6774260B2Aug 10, 2004

Fruity musk compositions

INT FLAVORS & FRAGRANCES INC16 citations90

US4963285AOct 16, 1990

2,4,4-irisubstituted tetrahydro pyranyl esters and organoleptic uses thereof

INT FLAVORS & FRAGRANCES INC23 citations90

US4537704AAug 27, 1985

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof

INT FLAVORS & FRAGRANCES INC21 citations82

US4524020AJun 18, 1985

Isopropyl substituted cyclohexenyl methyl ketones and perfumery uses thereof

INT FLAVORS & FRAGRANCES INC20 citations82

US4250338AFeb 10, 1981

Bridged ketones and process for preparing same

INT FLAVORS & FRAGRANCES INC21 citations82

US4162256AJul 24, 1979

Process for the production of compounds useful in perfumery

INT FLAVORS & FRAGRANCES INC30 citations79

US5486502AJan 23, 1996

2-methoxy-4-formyl phenyl ester of propionic acid and use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles

INT FLAVORS & FRAGRANCES INC6 citations74

US5372995ADec 13, 1994

Reduced reaction product of protonic acid catalyzed reaction of methyl ethyl ketone and benzaldehyde and perfume uses thereof

INT FLAVORS & FRAGRANCES INC11 citations74

US4933320AJun 12, 1990

Isomer-directed process for producing asymmetric ketones using catalytic Claisen rearrangement of allylic ethers, intermediates, and uses of products and intermediates of process in perfumery

INT FLAVORS & FRAGRANCES INC7 citations74

US4924026AMay 8, 1990

Triisobutylene alcohols and esters, uses thereof in perfumery and halogenated intermediates useful for preparing same

INT FLAVORS & FRAGRANCES INC8 citations74

US4902840AFeb 20, 1990

Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes

INT FLAVORS & FRAGRANCES INC10 citations74

US4806522AFeb 21, 1989

2-alkanoyl-2-(1-penten-1-yl)cyclohexanones, process for preparing same, and organoleptic uses thereof and intermediates useful in said process

INT FLAVORS & FRAGRANCES INC9 citations74

US4681976AJul 21, 1987

Process for preparing alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones

INT FLAVORS & FRAGRANCES INC18 citations74

US4668432AMay 26, 1987

Alkyl-substituted-oxo-spirodecenene derivatives, organoleptic utility thereof and processes for preparing same

INT FLAVORS & FRAGRANCES INC6 citations74

US4668817AMay 26, 1987

Alkyl substituted para-carboalkoxy cyclohexanones

INT FLAVORS & FRAGRANCES INC6 citations74

US4652400AMar 24, 1987

5-nitro-1,1,2,3,3-pentamethyl indane derivatives and perfumery uses thereof

INT FLAVORS & FRAGRANCES INC6 citations74

US4650603AMar 17, 1987

Single phase liquid mixture of tricyclic isochroman derivative mixture and acetyl tetrahydronaphthalene derivative mixture

INT FLAVORS & FRAGRANCES INC14 citations74

US4643903AFeb 17, 1987

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof

INT FLAVORS & FRAGRANCES INC12 citations74

US4639330AJan 27, 1987

Alkyl-substituted spirodecenone derivatives, organoleptic utility thereof and processes for preparing same

INT FLAVORS & FRAGRANCES INC7 citations74

US4629805ADec 16, 1986

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof

INT FLAVORS & FRAGRANCES INC17 citations74

US4619781AOct 28, 1986

Process for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereof

INT FLAVORS & FRAGRANCES INC8 citations74

US4614611ASep 30, 1986

Organoleptic uses of para-methylacetophenone dimethylacetal

INT FLAVORS & FRAGRANCES INC9 citations74

US4614831ASep 30, 1986

Process for preparing alkyl substituted para-carboalkoxy cyclohexanones

INT FLAVORS & FRAGRANCES INC15 citations74

US4576742AMar 18, 1986

Perfume uses of reactive product containing mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives

INT FLAVORS & FRAGRANCES INC12 citations74

US4548743AOct 22, 1985

Ketal and use in perfumery

INT FLAVORS & FRAGRANCES INC7 citations74

US4541951ASep 17, 1985

1(1,3-Dioxobutane)-3,3-dimethylcyclohexane useful in perfumes

INT FLAVORS & FRAGRANCES INC7 citations74

US4524021AJun 18, 1985

Perfumery uses of esters of phenyl alkanols

INT FLAVORS & FRAGRANCES INC8 citations74

US4512918AApr 23, 1985

Perfumery uses of phenyl alkanols

INT FLAVORS & FRAGRANCES INC7 citations74

US4507225AMar 26, 1985

Process for augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles with 1-phenylpenten-4-one-1 and methyl homologues thereof

INT FLAVORS & FRAGRANCES INC6 citations74

US4492645AJan 8, 1985

Organoleptic use of cyclohexenyl-alpha-alkyl acrolein derivatives

INT FLAVORS & FRAGRANCES INC7 citations74

US4480647ANov 6, 1984

Use of cyclohexenyl-alkyl acrolein derivatives in augmenting or enhancing the aroma or taste of smoking tobacco compositions and smoking tobacco articles

INT FLAVORS & FRAGRANCES INC14 citations74

US4476042AOct 9, 1984

Mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives, organoleptic uses thereof and processes for preparing same

INT FLAVORS & FRAGRANCES INC15 citations74

US4424379AJan 3, 1984

Cyclohexenyl-alpha-alkyl acrolein derivatives

INT FLAVORS & FRAGRANCES INC16 citations74

US4391284AJul 5, 1983

Use in modifying smoking tobacco aroma and flavor or mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives

INT FLAVORS & FRAGRANCES INC14 citations74

US4367158AJan 4, 1983

Use of norbornyl ethers in augmenting or enhancing the aroma of detergents

INT FLAVORS & FRAGRANCES INC7 citations74

US4351347ASep 28, 1982

Organoleptic uses of norbornyl ethers and esters

INT FLAVORS & FRAGRANCES INC14 citations74

US4321164AMar 23, 1982

2,4,6-Trimethylcyclohexanemethanol and derivatives, process for preparing same and organoleptic uses thereof

INT FLAVORS & FRAGRANCES INC7 citations74

US4318863AMar 9, 1982

Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof

INT FLAVORS & FRAGRANCES INC8 citations74

US4308159ADec 29, 1981

Use of norbornyl ethers in augmenting or enhancing the aroma of fabric softener articles

INT FLAVORS & FRAGRANCES INC10 citations74

US4305411ADec 15, 1981

Acetyl hydrindacenes, acetyl indanes, mixtures of same, processes for preparing same and organoleptic uses thereof

INT FLAVORS & FRAGRANCES INC15 citations74

Showing the top 50 of 281 patents by PatentIndex Score.

SPRECKER MARK A

Patents

Flavoring with substituted norbornane derivatives

Uses in perfumery of ether derivatives of indanes

Flavoring with substituted norbornane derivatives

Bioprocess for the high-yield production of food flavor-acceptable jasmonic acid and methyl jasmonate

Methylene dioxy tetrahydroindane derivative

Beta-alkylidene phenethyl alcohol esters and ethers, organoleptic uses thereof and processes for preparing same

Bicyclic lactones, perfumery uses thereof, processes for preparing same and intermediates therefor

Carbon containing functional group substituted 4,5,6,7-tetrahydro-polyalkylated-4-indanes, isomers thereof, processes for preparing same and uses thereof

2,4-disubstituted and 2,2,4-trisubstituted tetrahydropyranyl-4-ethers, process for preparing same and perfumery uses thereof

Fruity musk compositions

Fruity musk compositions

2,4,4-irisubstituted tetrahydro pyranyl esters and organoleptic uses thereof

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof

Isopropyl substituted cyclohexenyl methyl ketones and perfumery uses thereof

Bridged ketones and process for preparing same

Process for the production of compounds useful in perfumery

2-methoxy-4-formyl phenyl ester of propionic acid and use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles

Reduced reaction product of protonic acid catalyzed reaction of methyl ethyl ketone and benzaldehyde and perfume uses thereof

Isomer-directed process for producing asymmetric ketones using catalytic Claisen rearrangement of allylic ethers, intermediates, and uses of products and intermediates of process in perfumery

Triisobutylene alcohols and esters, uses thereof in perfumery and halogenated intermediates useful for preparing same

Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes

2-alkanoyl-2-(1-penten-1-yl)cyclohexanones, process for preparing same, and organoleptic uses thereof and intermediates useful in said process

Process for preparing alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones

Alkyl-substituted-oxo-spirodecenene derivatives, organoleptic utility thereof and processes for preparing same

Alkyl substituted para-carboalkoxy cyclohexanones

5-nitro-1,1,2,3,3-pentamethyl indane derivatives and perfumery uses thereof

Single phase liquid mixture of tricyclic isochroman derivative mixture and acetyl tetrahydronaphthalene derivative mixture

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof

Alkyl-substituted spirodecenone derivatives, organoleptic utility thereof and processes for preparing same

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof

Process for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereof

Organoleptic uses of para-methylacetophenone dimethylacetal

Process for preparing alkyl substituted para-carboalkoxy cyclohexanones

Perfume uses of reactive product containing mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives

Ketal and use in perfumery

1(1,3-Dioxobutane)-3,3-dimethylcyclohexane useful in perfumes

Perfumery uses of esters of phenyl alkanols

Perfumery uses of phenyl alkanols

Process for augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles with 1-phenylpenten-4-one-1 and methyl homologues thereof

Organoleptic use of cyclohexenyl-alpha-alkyl acrolein derivatives

Use of cyclohexenyl-alkyl acrolein derivatives in augmenting or enhancing the aroma or taste of smoking tobacco compositions and smoking tobacco articles

Mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives, organoleptic uses thereof and processes for preparing same

Cyclohexenyl-alpha-alkyl acrolein derivatives

Use in modifying smoking tobacco aroma and flavor or mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives

Use of norbornyl ethers in augmenting or enhancing the aroma of detergents

Organoleptic uses of norbornyl ethers and esters

2,4,6-Trimethylcyclohexanemethanol and derivatives, process for preparing same and organoleptic uses thereof

Substituted tricyclodecane derivatives, processes for producing same and organoleptic uses thereof

Use of norbornyl ethers in augmenting or enhancing the aroma of fabric softener articles

Acetyl hydrindacenes, acetyl indanes, mixtures of same, processes for preparing same and organoleptic uses thereof