Enzymatic unhairing method
AssigneeRohm Co., Ltd.
InventorsErnst Pfleiderer, Tilman Taeger, Gertrud Wick
Life of this patent
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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.
Claims8
An enzymatic method for the unhairing of hides and skins in the alkaline pH range, which comprises treating soaked hides and skins for a period of 12 to 36 hours at a pH range from 9 to 11, with a proteolytic enzyme having an optimum activity in the pH range of from 2 to 7.5 and then unhairing, said enzyme being used at a proportion from 2 to 10 m U.sub.H6 per gram of salted or dried hides and skins said enzyme being the sole active unhairing agent.
Dependencies are inferred from the claim text.