Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions – Polymer containing
Reexamination Certificate
2006-10-03
2006-10-03
Venkat, Jyothsna (Department: 1615)
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
Polymer containing
C424S061000, C424S070100, C424S070200, C424S401000
Reexamination Certificate
active
07115254
ABSTRACT:
A cosmetically acceptable composition comprising about 0.01 to about 40 weight percent, based on polymer solids, of a stable solution of a cationic copolymer composed of about 1 to about 99 mole percent diallyl-N,N-disubstituted ammonium halide and about 99 to about 1 mole percent N-vinylpyrollidone, wherein the solution as a RSV of about 0.4 to about 10 dL/g, methods of preparing the composition and methods of using the composition to treat keratinous substrates such as hair, skin and nails.
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patent: 4764365 (1988-08-01), Boothe et al.
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patent: 0 308 189 (1994-04-01), None
patent: 0 308 190 (1994-04-01), None
Robert Y. Lochhead, PhD., “The History Of Polymers In Hair Care (1940-Present)”, Cosmetics & Toiletries, Polymers & Thickeners, Allured Publishing Corp., vol. 103, pp. 23-60, Dec. 1988.
Brandt Loralei Marie
Cramm Jeffrey Robert
Breininger Thomas M.
Nalco Company
Venkat Jyothsna
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