Enzymatic bating method
    14.
    发明授权
    Enzymatic bating method 失效
    酶法法

    公开(公告)号:US3939040A

    公开(公告)日:1976-02-17

    申请号:US463392

    申请日:1974-04-23

    IPC分类号: C14C1/08 C14C1/06

    CPC分类号: C14C1/08

    摘要: A method for bating soaked, limed, dehaired hides with an enzyme mixture of (a) a bacterial protease having an optimum efficacy toward hemoglobin at a pH from 10 to 12 and (b) a fungus protease having an optimum efficacy toward casein at a pH greater than 7, or a neutral to weakly alkaline bacterial protease, papain, or trypsin.

    摘要翻译: 一种用于(a)在10至12的pH下具有对血红蛋白的最佳功效的细菌蛋白酶的酶混合物的方法,和(b)在pH下具有对酪蛋白最佳功效的真菌蛋白酶的方法 大于7,或中性至弱碱性细菌蛋白酶,木瓜蛋白酶或胰蛋白酶。

    Tanning method
    15.
    发明授权
    Tanning method 失效
    鞣制方法

    公开(公告)号:US4443221A

    公开(公告)日:1984-04-17

    申请号:US380617

    申请日:1982-05-21

    CPC分类号: C14C3/00 C14C1/00

    摘要: What are disclosed are improved methods for the preparation of leather wherein, in one or more steps for preparing leather from limed animal skins or hides, including beamhouse operations such as deliming, bating, pickling, and degreasing to prepare unhaired tannable hides from animal skins or hides, and including subsequent tanning, retanning, and dyeing steps performed on said unhaired tannable hides, small amounts of a high polymeric water soluble cellulose ether or of an acrylic polymer are added to at least one of the treating baths involved in such method steps as a lubricant for said skins or hides.

    摘要翻译: 公开的是用于制备皮革的改进方法,其中在一个或多个步骤中,用于制备来自酸性动物皮肤或皮革的皮革,包括横梁操作,例如脱皮,咬合,酸洗和脱脂,以从动物皮肤制备未脱皮的可晒黑皮革,或 皮革,并且包括在所述未脱皮的可晒黑皮革上进行的随后的鞣制,复鞣和染色步骤,将少量高聚合物水溶性纤维素醚或丙烯酸类聚合物加入到至少一个处理浴中,所述处理浴涉及以下方法步骤: 所述皮肤或皮革的润滑剂。

    Tanning method
    16.
    发明授权
    Tanning method 失效
    鞣制方法

    公开(公告)号:US4398911A

    公开(公告)日:1983-08-16

    申请号:US354202

    申请日:1982-03-03

    CPC分类号: C14C3/00 C14C1/00

    摘要: What is disclosed are improved methods for the preparation of leather wherein, in one or more steps for preparing leather from animal skins or hides, including beamhouse operations such as soaking, dehairing, opening of the hide structure, deliming, bating, pickling, and degreasing to prepare dehaired tannable hides from animal skins or hides, and including subsequent tanning, retanning, and dying steps performed on said tannable hides, a thickening agent is added to at least one of the treating baths involved in such method steps.

    摘要翻译: 公开的是用于制备皮革的改进方法,其中在用于从动物皮肤或皮革制备皮革的一个或多个步骤中,包括诸如浸泡,脱毛,打开皮革结构,分离,打浆,酸洗和脱脂 从动物皮肤或皮革制备脱毛的可晒黑皮革,并且包括随后在所述可晒黑皮革上进行的鞣制,复鞣和染色步骤,将增稠剂加入至所述方法步骤中涉及的至少一个处理浴中。

    Soaking method
    17.
    发明授权
    Soaking method 失效
    浸泡法

    公开(公告)号:US4344762A

    公开(公告)日:1982-08-17

    申请号:US201048

    申请日:1980-10-27

    IPC分类号: C14C1/04

    CPC分类号: C14C1/04

    摘要: What is disclosed is a method for soaking preserved skins or hides adaptable to the preparation of leather which comprises soaking said skins or hides in an aqueous bath containing a compound selected from the group of compounds of the formula ##STR1## and acid addition salts thereof, wherein R taken alone is --H, --NH.sub.2, --CH.sub.3, or --NHCN, X taken alone is .dbd.O, .dbd.S, or .dbd.NH, and R and X taken together form a five- or six-membered heterocyclic ring having conjugated double bonds and containing only nitrogen as a hetero atom.

    摘要翻译: 所公开的是用于浸泡适于制备皮革的保存的皮肤或皮革的方法,其包括将所述皮肤或皮革浸泡在含有选自下式化合物的化合物及其酸加成盐的水浴中, 其中R独立地为-H,-NH2,-CH3或-NHCN,X独立地为= O,= S或= NH,R和X一起形成具有共轭的五元或六元杂环 双键并且仅含有氮作为杂原子。

    Soaking method
    18.
    发明授权
    Soaking method 失效
    浸泡法

    公开(公告)号:US4314801A

    公开(公告)日:1982-02-09

    申请号:US201049

    申请日:1980-10-27

    IPC分类号: C14C1/04

    CPC分类号: C14C1/04

    摘要: What is disclosed is a method for soaking dried or salted fur pelts which comprises soaking said pelts in an aqueous bath containing at least one compound selected from the group consisting of compounds of the formula ##STR1## and acid addition salts of such compounds, wherein R taken alone is --H, --NH.sub.2, --CH.sub.3, or --NHCN, X taken alone is .dbd.O, .dbd.S, or .dbd.NH, and R and X taken together form a five- or six-membered heterocyclic ring having conjugated double bonds therein and containing only nitrogen as a hetero atom.

    摘要翻译: 所公开的是用于浸泡干燥或盐渍的毛皮的方法,其包括将所述皮肤浸泡在含有至少一种选自下列化合物的化合物的水浴中:< IMAGE>化合物和这些化合物的酸加成盐,其中R 单独使用的是-H,-NH2,-CH3或-NHCN,X独立地为= O,= S或= NH,R和X一起形成具有共轭双键的五元或六元杂环 并且仅含有氮作为杂原子。