Keratin hydrolyzate useful as hair fixatives

Details Keratin hydrolyzate useful as hair fixatives Keratin hydrolyzate useful as hair fixatives

1981-01-06

1983-06-28

Moyer, Donald B.

Drug, bio-affecting and body treating compositions

Solid synthetic organic polymer as designated organic active...

Polymer from ethylenic monomers only

424 72, 424359, A61K 709, A61K 4700, A61K 711

Patent

active

043905250

ABSTRACT:
Water-soluble keratin hydrolyzate having at least two mercapto groups in one molecule and having an average molecular weight of 2,000 to 20,000, suitable for cosmetic application to the hair, particularly as hair fixatives. The hydrolyzate is prepared by reducing keratin in an aqueous solution of a reducing agent under alkaline conditions and subjecting the resulting reduction product to enzymatic hydrolysis.

REFERENCES:
patent: 2615782 (1952-10-01), Haefele
patent: 2615783 (1952-10-01), Haefele et al.
patent: 3578461 (1971-05-01), Weeks et al.
patent: 3683939 (1972-08-01), Johnson et al.
patent: 3751564 (1973-08-01), Eckardt et al.
patent: 3787337 (1974-01-01), Goodwin
patent: 3957065 (1976-05-01), Bush
patent: 4186188 (1980-01-01), Gumprecht
DeNavarre, The Chemistry & Manufacture of Cosmetics, vol. II, 2nd Ed. published by VanNostrand Co. Inc., N.Y., pp. 242-245 (1962).

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