Sustained flavor release composition
Patent 4206301 Issued on June 3, 1980. Estimated Expiration Date: 
June 3, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 3, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesInventorApplicationNo. 05/460299 filed on 04/12/1974US Classes:536/3, Algin or derivative424/68, Aluminum compound containing426/3, NORMALLY NONINGESTIBLE CHEWABLE MATERIAL OR PROCESS OF PREPARATION426/533, Reaction flavor per se, or containing reaction flavor improver of unknown or undefined chemical constitution426/534, Flavor per se, or containing flavor or flavor improver of identifiable organic chemical constitution426/538, Carbocyclic426/6, Containing addition type polymer426/650, Flavor or flavor adjunct, acidulant or condiment426/651, Oleoresin or essential oil525/328.7, Polymer derived from aldehyde monomer525/61, Chemical modification utilizing a chemical treating agent536/95Hydroxyalkyl containingExaminersPrimary: Griffin, Ronald W.Attorney, Agent or FirmInternational ClassesA23G 3/00 (20060101)A23G 4/00 (20060101) A23L 1/22 (20060101) A61K 8/72 (20060101) A61K 8/73 (20060101) A61K 8/81 (20060101) AbstractSustained flavor release compositions are disclosed which comprise polymer backbones having pendant flavor groups thereon. Such compositions can be used, for example, in chewing gums. Release of the flavor can be accomplished by hydrolysis upon mastication of the chewing gum.In one embodiment, aldehyde flavors are reacted with polymers having hydroxy groups thereon to produce a polymer backbone with pendant acetal or hemi-acetal flavor groups. An example is the reaction product of cinnamic aldehyde and partially hydrolyzed polyvinyl acetate. In a like manner, ketone flavors can be reacted with similar polymers to form pendant ketal flavor groups. Also, alcohol flavors can be reacted with polymers having aldehyde or ketone groups to provide polymer backbones with pendant acetal or ketal moieties thereon.Other References
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