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公开(公告)号：US3840433A
公开(公告)日：1974-10-08
申请号：US25164672
申请日：1972-05-09
Applicant: NOVO TERAPEUTISK LABOR AS
Inventor： OUTTRUP HELLE , AUNSTRUP KNUD , ANDRESSEN OTTO
CPC classification number: C14C1/065
Abstract: Dehairing of skins and hides in an alkaline medium pH of about 12.5, such as by lime treatment, is accelerated by inclusion of certain alkali resistant proteolytic enzymes. Preferred embodiments are the proteases from Bacillus alcalophilus, and from the Bacillus sp. strains NCIB 10313, 10317, 10147.
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