Patent · US Expired

Method for the wet degreasing of hide and skin stock

US4968621A · kind A · utility

5Cited by

11References

14Claims

0Family size

Assignee

Rohm Co., Ltd. · JP

Inventors

Ernst Pfleiderer · Weiterstadt, DE
Tilman Taeger · Seeheim-Jugenheim, DE
Gertrud Wick · Weiterstadt, DE

Key dates

Filing date	Aug 7, 1989
Grant date	Nov 6, 1990
Priority date	—
Expiry date	Aug 7, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC14C1/08
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method for the wet degreasing of raw hides and skins, pelts, and wet blues under the conditions of enzymatic bating, wherein enzymatic bating of the hide stock is carried out with proteolytic enzymes in the presence of synthetic surface active substances, for example, a mixture of a non-ionic emulsifier and anionic emulsifier.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.