Drug – bio-affecting and body treating compositions – Cosmetic – facial
Patent
1989-10-30
1991-10-15
Griffin, Ronald W.
Drug, bio-affecting and body treating compositions
Cosmetic, facial
514846, 514847, 514 55, 536 20, 536 553, A61K 700
Patent
active
050575422
ABSTRACT:
Chitosan in a form of a polymer having a molecular weight of from 3,000 to 700,000 is incorporated into a cosmetic preparation in an amount effective for inhibiting growth of microorganisms in the cosmetic preparation.
REFERENCES:
patent: 4394373 (1983-07-01), Malette et al.
patent: 4424346 (1984-01-01), Hall et al.
patent: 4772689 (1988-09-01), Lang et al.
patent: 4822598 (1989-04-01), Lang et al.
patent: 4956350 (1990-09-01), Mosbey
Leuba Jean-Louis
Link Harriet
Stoessel Peter
Viret Jean-Louis
Griffin Ronald W.
Nestec S.A.
White Everett
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