US2011296597A1PendingUtilityA1

Air freshening article and method of manufacture

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Assignee: BROWN DOUGLAS SPriority: May 15, 2007Filed: Aug 2, 2011Published: Dec 8, 2011
Est. expiryMay 15, 2027(~0.8 yrs left)· nominal 20-yr term from priority
B29C 45/0001A61L 9/05
53
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Claims

Abstract

An air freshening article, such as a deodorizing urinal screen, includes a body that is formed from a fragranced plastic that includes a plastic loaded with a fragrance material. The fragrance material is included in an amount of at least 15% by weight of the fragranced plastic. A method of producing a deodorizing urinal screen includes a fragrance loading stage in which a plastic is loaded with a fragrance material to produce a fragranced plastic. The fragranced plastic includes at least 15 wt % fragrance material. In a molding stage subsequent to the fragrance loading stage, the fragranced plastic is molded into the urinal screen.

Claims

exact text as granted — not AI-modified
1 . A urinal screen, comprising:
 a screen body sized and shaped to be placed in a urinal;   wherein the screen body is configured to extend over at least a portion of a drain portion of the urinal;   the screen body defining at least one opening;   the screen body comprising fragranced EVA having a melting point of not greater than 250° F.; and,   the fragranced EVA comprising a fragrance material, wherein the fragrance material is at least 15% by weight of the fragranced EVA.   
     
     
         2 . The urinal screen of  claim 1 , wherein the fragrance material comprises a synthetic aroma compound. 
     
     
         3 . The urinal screen of  claim 1 , wherein the fragrance material comprises a natural essential oil. 
     
     
         4 . The urinal screen of  claim 1 , wherein the fragrance material comprises at least one of an odor neutralizer, an odor eliminator, and an odor counteractant. 
     
     
         5 . The urinal screen of  claim 1 , wherein the fragranced EVA further comprises an active ingredient. 
     
     
         6 . The urinal screen of  claim 5 , wherein the active ingredient comprises bacteria. 
     
     
         7 . The urinal screen of  claim 1 , wherein the screen body is generally flat and circular in shape. 
     
     
         8 . The urinal screen of  claim 1 , wherein the screen body further comprises a colorant that indicates when the urinal screen should be replaced after a period of use. 
     
     
         9 . The urinal screen of  claim 1 , wherein the fragrance material has an initial fragrance content, wherein the at least about 60% of the initial fragrance content is released over a 30-day period. 
     
     
         10 . The urinal screen of  claim 1 , wherein the screen body is translucent or transparent. 
     
     
         11 . The urinal screen of  claim 1 , wherein the screen body shrinks in size upon use within the urinal. 
     
     
         12 . The urinal screen of  claim 1 , further comprising a plurality of openings formed therethrough. 
     
     
         13 . The urinal screen of  claim 1 , further comprising a plurality of notches formed in an outer peripheral surface thereof. 
     
     
         14 . A urinal screen, comprising:
 a screen body sized and shaped to be placed in a urinal;   wherein the screen body is configured to extend over at least a portion of a drain portion of the urinal;   the screen body defining at least one opening;   the screen body comprising EVA having a melting point of not greater than 250° F.; and,   the EVA comprising an active ingredient.   
     
     
         15 . The urinal screen of  claim 14 , wherein the active ingredient comprises bacteria. 
     
     
         16 . The urinal screen of  claim 14 , wherein the screen body further comprises a colorant that indicates when the urinal screen should be replaced after a period of use. 
     
     
         17 . The urinal screen of  claim 14 , wherein the screen body is translucent or transparent. 
     
     
         18 . The urinal screen of  claim 14 , wherein the screen body shrinks in size upon use within the urinal.

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