Chitosan derivative, sequestering agents for heavy metals

Details Chitosan derivative, sequestering agents for heavy metals Chitosan derivative, sequestering agents for heavy metals

1976-01-14

1977-06-21

Weinblatt, Mayer

Compositions

Water-softening or purifying or scale-inhibiting agents

Plant or organic material containing

210 54, 210 58, 252135, 424 47, 424361, C02B 506

Patent

active

040310256

ABSTRACT:
Chitosan derivatives formed by acylation of chitosan with a saturated or unsaturated organic diacid anhydride are employed as a skin moisturizing agent in a cosmetic composition comprising an aqueous solution containing 0.1-20 percent by weight of said chitosan derivative.

REFERENCES:
patent: 2702249 (1955-02-01), Baird
patent: 3014027 (1961-12-01), Druey et al.
patent: 3133912 (1964-05-01), Kimmig et al.
patent: 3251824 (1966-05-01), Battista
patent: 3478015 (1969-11-01), Onishi et al.
patent: 3879376 (1975-04-01), Vanlerberghe
patent: 3919107 (1975-11-01), Thompson
patent: 3953608 (1976-04-01), Vanlerberghe

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