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Encapsulated fragrance chemicals
 
   
Document Number
US Patent 7491685
Issued Date
February 17, 2009
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Abstract
A polymeric encapsulated fragrance is disclosed which is suitable for use in personal care and cleaning products. In a preferred embodiment of the invention, the fragrance is encapsulated by a first polymer material to form a fragrance encapsulated polymer, the polymer encapsulated shell is then coated with a mixture of cationic polymers, in a preferred embodiment the coating polymers are a reaction product of polyamines (including 1H-imidazole) and (chloromethyl) oxirane or (bromomethyl) oxirane.
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Number of Claims:
12
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Published
February 17, 2009
Application Number
11/463,350
Filed
August 9, 2006
US Classification
510/441  
Int'l Classification
C11D   3/50   (20060101)  
Examiner
Parent Case
RELATED APPLICATIONS This application is a divisional of U.S. patent application Ser. No. 10/720,572, filed Nov. 24, 2003, now U.S. Pat. No. 7,122,512; which is a continuation-in-part of U.S. patent application Ser. No. 10/460,434, filed Jun. 12, 2003, now U.S. Pat. No. 7,196,049; which is a continuation-in-part of U.S. application Ser. No. 10/268,526, filed Oct. 10, 2002, now U.S. Pat. No. 7,125,835.
USPTO Field of Search
510/441  
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