Enzymatic unhairing method

Details Enzymatic unhairing method Enzymatic unhairing method

1985-07-30

1987-01-13

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Depilating

C14C 106

Patent

active

046362223

ABSTRACT:
An enzymatic method for the unhairing of hides and skins in the alkaline pH range by treating them in a liquor at a pH from 9 to 11 with a proteolytic enzyme having an optimum activity in the pH range from 2 to 7.5, and then unhairing.

REFERENCES:
patent: 2132579 (1938-10-01), Rohm
patent: 3939040 (1976-02-01), Monsheimer
patent: 4457759 (1984-07-01), Fekete et al.
The Enzymes, (Boyer, Editor), 3d Edn., vol. III, Academic Press, 1971, New York, p. 733.
The Enzymes, (Boyer, Editor), 2d Edn., vol. 4, Academic Press, 1960, New York, p. 213.
Keay, Process Biochemistry, Aug. 1971, p. 17.
Uhlig, Biochemical Properties of Microbial Proteases, from Biochemistry and the Therapeutic Use of Digestive Enzymes, International Symposium Poertschach, Sep. 30, 1972, Stormarn-Verlag.

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