Method for the wet degreasing of hide and skin stock
    1.
    发明授权
    Method for the wet degreasing of hide and skin stock 失效
    皮肤和皮肤的湿润脱脂方法

    公开(公告)号:US4968621A

    公开(公告)日:1990-11-06

    申请号:US391638

    申请日:1989-08-07

    IPC分类号: C14C1/08

    CPC分类号: C14C1/08

    摘要: 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.

    摘要翻译: 一种在酶促处理的条件下湿生皮和皮肤,毛皮和湿蓝调的湿法脱脂的方法,其中在合成的表面活性物质存在下用蛋白水解酶进行鞣制物的酶促反应,例如, 非离子乳化剂和阴离子乳化剂的混合物。

    Enzymatic unhairing method
    3.
    发明授权
    Enzymatic unhairing method 失效
    酶法脱毛方法

    公开(公告)号:US4636222A

    公开(公告)日:1987-01-13

    申请号:US760556

    申请日:1985-07-30

    IPC分类号: C14C1/06

    CPC分类号: C14C1/065

    摘要: 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.

    摘要翻译: 通过在pH为9〜11的液体中,在pH范围为2〜7.5之间具有最佳活性的蛋白水解酶处理它们,在碱性pH范围内脱皮皮肤和皮肤的酶法,然后脱毛。

    Method for the enzymatic liming of skins and hides
    4.
    发明授权
    Method for the enzymatic liming of skins and hides 失效
    皮肤和皮革的酶液化方法

    公开(公告)号:US5525509A

    公开(公告)日:1996-06-11

    申请号:US311717

    申请日:1994-09-23

    CPC分类号: C14C1/08

    摘要: A method for preparing unhaired hides ready for tanning from hides and skins using proteolytic and lipolytic enzymes in the beamhouse, whereby in at least one of the partial steps of the beamhouse consisting of a) liming in the pH range 11.5-14 and b) bating in the pH range 5-11.5, alkaline lipases (E.C.3.1.3.) having an activity optimum in the pH range 9-11 are added to the aqueous floats corresponding to these partial steps.

    摘要翻译: 一种用于制备用于使用蛋白水解和脂肪分解酶在波纹室中从皮革和皮肤鞣制的未毛皮的方法,其中在至少一个梁室的部分步骤中,由a)在pH范围11.5-14中进行灰化和b) 在5-11.5的pH范围内,在pH范围9-11中具有最佳活性的碱性脂肪酶(EC3.1.3。)加入对应于这些部分步骤的水性漂浮物中。

    Enzymatic soaking method
    6.
    发明授权
    Enzymatic soaking method 失效
    ENZYMATIC SOAKING方法

    公开(公告)号:US5089414A

    公开(公告)日:1992-02-18

    申请号:US528717

    申请日:1990-05-24

    IPC分类号: C12S7/00 C14C1/04

    CPC分类号: C14C1/04

    摘要: The soaking of hides and skins is enzymatically assisted in a method using an aqueous float having a pH from 9 to 11 which containsA) a lipase having an activity optimum in the pH region from 9 to 11,B) a protease with activity in the pH region from 9 to 11, andC) a surface active agent.

    摘要翻译: 皮肤和皮肤的浸泡在使用pH为9-11的水性漂浮物的方法中酶促辅助,其含有A)在pH范围为9至11的活性最佳的脂肪酶,B)具有活性的蛋白酶 pH范围为9至11,和C)表面活性剂。

    Method for liming skins and hides
    8.
    发明授权
    Method for liming skins and hides 失效
    使皮肤和皮肤变灰的方法

    公开(公告)号:US4960428A

    公开(公告)日:1990-10-02

    申请号:US303270

    申请日:1989-01-26

    IPC分类号: C14C1/06

    CPC分类号: C14C1/06

    摘要: A process for liming skins and hides with preservation and separation of the hair, including the following successive steps:(A) a soaking step in a aqueous liquor containing a surfactant;(B) an incubation step in an aqueous liquor free of inorganic sulfur but containing hydrotropes and organic sulfur compounds as unhairing agents;(C) an step for immunization of the hair at a pH between 10 and 14;(D) a hair loosening step in which inorganic sulfide is added to the float;(E) a separation step in which the hair is separated from the skins and hides; and(F) a liming step in which the pelts so obtained are limed in an aqueous alkaline liquor comprising liming aids.

    摘要翻译: 一种用于保护和分离毛发的皮肤和皮革的方法,包括以下连续步骤:(A)在含有表面活性剂的含水液体中的浸泡步骤; (B)在不含无机硫的水溶液中含有水溶助长剂和有机硫化合物作为脱毛剂的温育步骤; (C)在10至14之间的pH下免疫头发的步骤; (D)将漂白剂中加入无机硫化物的脱毛步骤; (E)分离步骤,其中毛发与皮肤和皮革分离; 和(F)如此获得的毛粒在含有灰泥助剂的含水碱性液体中变成灰泥的步骤。

    Process for producing unhaired, storable hides and skins
    9.
    发明授权
    Process for producing unhaired, storable hides and skins 失效
    生产无毛,可存藏的皮和皮的方法

    公开(公告)号:US4484924A

    公开(公告)日:1984-11-27

    申请号:US505782

    申请日:1983-06-20

    IPC分类号: C14C1/00 C14C1/06 C14C1/08

    CPC分类号: C14C1/00

    摘要: What is disclosed is a process for the unhairing and subsequent curing of hides and skins, which comprises washing flayed skins and hides to remove adhering dirt, then soaking said skins and hides and freeing them of hair and scud with a short term unhairing, reversing the swelling of said skins and hides and neutralizing them, and curing said skins and hides with salt, said skins and hides being mechanically fleshed either after washing or at some later time in the process as recited.

    摘要翻译: 披露的是一种用于脱皮和随后固化皮革和皮肤的方法,其中包括洗涤剥皮的皮肤和皮革以除去粘附的污垢,然后浸泡所述皮肤和皮革,并且用短期脱毛将头发和毛发脱毛,将其翻转 所述皮肤和皮革的肿胀并中和它们,并用盐固化所述皮肤和皮革,所述皮肤和皮革在洗涤之后或在所述过程中的某个稍后时间被机械地切割。