Dehairing of leather
    15.
    发明授权
    Dehairing of leather 失效
    皮革脱皮

    公开(公告)号:US3840433A

    公开(公告)日:1974-10-08

    申请号:US25164672

    申请日:1972-05-09

    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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