C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
195/44
C12P 21/00 (2006.01) A23J 3/34 (2006.01) C02F 3/34 (2006.01) C08H 1/06 (2006.01) C09H 1/04 (2006.01)
Patent
CA 1096794
ABSTRACT OF THE DISCLOSURE A process for the enzymatic decomposition of collagen-containing hide or leather material which comprises treating the material with a proteolytic enzyme having an optimum enzymatic activity at a pH in the range of from 9 to 13, the treatment being carried out in an aqueous treatment medium at a pH within the said range and in the presence of urea whereby the said hide or leather material is at least partially decomposed. - 1 -
287061
Monsheimer Rolf
Pfleiderer Ernst
Fetherstonhaugh & Co.
Rohm G.m.b.h.
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