Drug – bio-affecting and body treating compositions – Dentifrices
Reexamination Certificate
2006-05-23
2006-05-23
Low, Christopher S. F. (Department: 1614)
Drug, bio-affecting and body treating compositions
Dentifrices
C424S053000, C424S055000, C433S215000, C433S216000, C433S217100, C524S558000, C524S563000
Reexamination Certificate
active
07048912
ABSTRACT:
A polymer for use in an oral care composition which includes a monomer repeat unit containing an active material covalently bonded to a hydrolyzable side group of said monomer unit, and a spacer group positioned between the main chain of said polymer and said hydrolyzable side group, said polymer having a predetermined rapid rate of aqueous hydrolysis to release said active material therefrom.
REFERENCES:
patent: 3751561 (1973-08-01), Wildi et al.
patent: 5700478 (1997-12-01), Biegajski et al.
patent: 6315987 (2001-11-01), Plochocka
patent: 2005/0003448 (2005-01-01), Zhao et al.
Bowles et al. Design, Formulation, and Evaluation of Isocyanatocrylate Copolymer Dental Adhesives. (1999) John Wiley & Sons, Inc.
Davis William J.
Graffeo Michel
ISP Investments Inc.
Katz Walter
Low Christopher S. F.
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