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公开(公告)号:US4310328A
公开(公告)日:1982-01-12
申请号:US122041
申请日:1980-02-19
申请人: Rolf Monsheimer , Ernst Pfleiderer
发明人: Rolf Monsheimer , Ernst Pfleiderer
IPC分类号: C14C1/06
CPC分类号: C14C1/06
摘要: What is disclosed is a method for liming animal skins and hides which comprises treating said skins and hides with an aqueous alkaline liming liquor comprising a protective colloid, for example a protein such as gelatin, glue, or casein, or a water-soluble alkali-stable polymethacrylate.
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公开(公告)号:US4220723A
公开(公告)日:1980-09-02
申请号:US971115
申请日:1978-12-19
摘要: A method for converting blood, animal parts, bone waste, or meat scraps into useful products, which method comprises hydrolyzing such a substrate with a proteinase, preferably in the presence of urea, in an aqueous hydrolysis medium at a pH in a region in which the proteinase displays sufficient activity, subsequently inactivating the enzyme, and working up the hydrolyzate.
摘要翻译: 将血液,动物部件,骨废物或肉屑转化为有用产品的方法,该方法包括用蛋白酶,优选在尿素存在下,在水解性水解介质中,在pH范围内水解这样的底物, 蛋白酶显示出足够的活性,随后灭活酶,并处理水解产物。
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公开(公告)号:US4210721A
公开(公告)日:1980-07-01
申请号:US834423
申请日:1977-09-19
申请人: Rolf Monsheimer , Ernst Pfleiderer
发明人: Rolf Monsheimer , Ernst Pfleiderer
CPC分类号: C02F3/342 , A23J3/342 , C08H1/06 , C09H1/04 , Y10S435/832 , Y10S435/834 , Y10S435/836 , Y10S435/839 , Y10S435/913
摘要: A method for dissolving collagen-containing skin tissue by hydrolyzing said tissue in a first stage in the presence of urea with an alkaline proteinase having an activity optimum between pH 9 and 13, said hydrolysis proceeding in a hydrolysis medium which is initially in the pH region optimum for the enzyme employed, and optionally further hydrolyzing said tissue in at least one further stage by adding a weakly alkaline, neutral, or acid proteinase to said hydrolysis medium.
摘要翻译: 一种通过在尿素存在下在第一阶段水解所述组织的方法,其中碱性蛋白酶的活性最适pH为9至13,所述水解在最初处于pH区域的水解介质中进行 并且任选地通过向所述水解介质中加入弱碱性,中性或酸性蛋白酶,在至少一个其它阶段进一步水解所述组织。
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公开(公告)号:US3939040A
公开(公告)日:1976-02-17
申请号:US463392
申请日:1974-04-23
申请人: Rolf Monsheimer , Ernst Pfleiderer
发明人: Rolf Monsheimer , Ernst Pfleiderer
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。
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公开(公告)号:US4443221A
公开(公告)日:1984-04-17
申请号:US380617
申请日:1982-05-21
申请人: Max May , Rolf Monsheimer , Ernst Pfleiderer
发明人: Max May , Rolf Monsheimer , Ernst Pfleiderer
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。
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公开(公告)号:US4398911A
公开(公告)日:1983-08-16
申请号:US354202
申请日:1982-03-03
申请人: Max May , Rolf Monsheimer , Ernst Pfleiderer
发明人: Max May , Rolf Monsheimer , Ernst Pfleiderer
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。
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公开(公告)号:US4344762A
公开(公告)日:1982-08-17
申请号:US201048
申请日:1980-10-27
申请人: Rolf Monsheimer , Ernst Pfleiderer
发明人: Rolf Monsheimer , Ernst Pfleiderer
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。
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公开(公告)号:US4314801A
公开(公告)日:1982-02-09
申请号:US201049
申请日:1980-10-27
申请人: Rolf Monsheimer , Ernst Pfleiderer
发明人: Rolf Monsheimer , Ernst Pfleiderer
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。
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公开(公告)号:US4314800A
公开(公告)日:1982-02-09
申请号:US252164
申请日:1981-04-08
IPC分类号: C08F20/00 , C08F20/34 , C08F220/34 , C08F261/00 , C08F289/00 , C14C3/00 , C14C3/22 , C14C9/00 , C14C11/00
CPC分类号: C14C3/22 , C08F261/00 , C08F289/00 , C14C3/00
摘要: What is disclosed are a method for treating pelts or leather in the beamhouse, for tanning, or as an aftertreatment, which method comprises contacting said pelts or leather with an aqueous solution or dispersion of a copolymer comprising monomers of a nitrogenous ester of acrylic acid or of methacrylic acid, a further different ester of acrylic acid or of methacrylic acid, and acrylic acid or methacrylic acid, whereby portions of said copolymer are deposited in the grain layer without formation of a superficial film, and pelts and leather treated by this method.
摘要翻译: 所公开的是用于处理波纹室中的皮革或皮革,用于鞣制或后处理的方法,该方法包括使所述毛皮或皮革与包含丙烯酸的含氮酯的单体的共聚物的水溶液或分散体接触,或 的甲基丙烯酸,另一种不同的丙烯酸或甲基丙烯酸酯,以及丙烯酸或甲基丙烯酸,其中所述共聚物的一部分沉积在晶粒层中而不形成表面膜,并通过该方法处理皮毛和皮革。
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公开(公告)号:US4293647A
公开(公告)日:1981-10-06
申请号:US882616
申请日:1978-02-28
申请人: Rolf Monsheimer , Ernst Pfleiderer
发明人: Rolf Monsheimer , Ernst Pfleiderer
CPC分类号: A23J3/342 , C02F3/342 , C09H1/04 , Y10S435/913 , Y10S435/918
摘要: What is disclosed is a method for dissolving collagen-containing tissues, such as the wastes arising in leather processing, which comprises enzymatically hydrolyzing said tissues with at least one acid protease at a pH within the acid region.
摘要翻译: 所公开的是一种溶解含胶原蛋白组织的方法,例如在皮革加工中产生的废物,其包括在酸性区域内的pH下用至少一种酸性蛋白酶对所述组织进行酶促水解。
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