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1. 发明申请

WO2015044766A1 CHROME TANNING PROCESS 审中-公开
标题翻译：铬染色工艺
公开(公告)号：WO2015044766A1
公开(公告)日：2015-04-02
申请号：PCT/IB2014/001960
申请日：2014-09-30
申请人： RHODIA POLIAMIDA E ESPECIALIDADES LTDA
发明人： FERRAZ, Wagner Lourenço Célio
IPC分类号： C14C1/08 , C14C3/06
CPC分类号： C14C3/06 , C14C1/08
摘要： The invention concerns a process for tanning hide to obtain leather. The general process for obtaining the intermediary wet blue stage comprises the following steps : a) a picking step with acid and salt, followed by b) a tanning step with chromium salt, followed by c) a basification step. The invention is characterized in that between step b) and c), a re-acidification step with organic acids is added. In particular the organic acids are selected from glutaric acid (GA), 2-methyl glutaric acid (MGA), succinic acid, ethyl succinic acid (ESA), adipic acid (AA), maleic anhydride, fumaric anhydride, tricarboxylic acids, hydroxycarboxylic acids, and mixture thereof. This invention enables an increase of the up-taking of the re-tanning products and provides leather with improved mechanical properties.
摘要翻译：本发明涉及一种鞣制皮革以获得皮革的方法。获得中间湿蓝色阶段的一般方法包括以下步骤：a）用酸和盐进行采摘步骤，然后b）用铬盐进行鞣制步骤，然后c）碱化步骤。本发明的特征在于在步骤b）和c）之间，加入有机酸的再酸化步骤。特别地，有机酸选自戊二酸（GA），2-甲基戊二酸（MGA），琥珀酸，乙基琥珀酸（ESA），己二酸（AA），马来酸酐，富马酸酐，三羧酸，羟基羧酸，及其混合物。本发明能够增加鞣制产品的上升，并为皮革提供改善的机械性能。

2. 发明申请

WO2015044765A8 TANNING PROCESS FOR OBTAINING LEATHER 审中-公开
公开(公告)号：WO2015044765A8
公开(公告)日：2015-04-02
申请号：PCT/IB2014/001956
申请日：2014-09-30
申请人： RHODIA POLIAMIDA E ESPECIALIDADES LTDA
发明人： LOURENÇO, Wagner Célio Ferraz
IPC分类号： C14C1/08 , C14C3/06
摘要： The invention concerns a process for tanning hide to obtain leather. The general process for obtaining the intermediary wet blue stage comprises the following steps: a) a picking step with acid and salt, followed by b) a tanning step with chromium salt, followed by c) a basification step. The invention is characterized in that the bath of the pickling step comprises organic acids selected from 2-Methyl glutaric acid (MGA), ethyl succinic acid (ESA) and mixture thereof instead of the traditional strong acid, generally sulfuric acid This process requires less basification agent and enables an increase of the up-taking of the re- tanning products. This invention provides leather with improved mechanical properties.

3. 发明申请

WO2008122640A3 AN ENZYMATIC TREATMENT OF SKIN AND HIDE DEGREASING 审中-公开
标题翻译：皮肤和皮肤脱脂的酶解处理
公开(公告)号：WO2008122640A3
公开(公告)日：2008-12-24
申请号：PCT/EP2008054241
申请日：2008-04-08
申请人： NOVOZYMES AS , RASMUSSEN LARS , XU QING , PEDERSEN NIELS KILDEGAARD , ZHOU ZHIWEI
发明人： RASMUSSEN LARS , XU QING , PEDERSEN NIELS KILDEGAARD , ZHOU ZHIWEI
IPC分类号： C11D3/386 , C14C1/08
CPC分类号： C14C1/08 , C11D3/38681 , C12N9/20
摘要： The present invention relates to a method of degreasing skins and hides with certain variants of Humicola lanuginose lipase. More specifically, the invention relates to a process for enzymatic degreasing of skins and hides with lipase in the absence of surfactant at pH 6-13.
摘要翻译：本发明涉及一种用某些变体腐殖霉（Humicola lanuginose）脂肪酶对皮肤和皮革进行脱脂的方法。更具体地说，本发明涉及在不存在表面活性剂的情况下在pH 6-13下用脂肪酶对皮肤和皮革进行酶脱脂的方法。

4. 发明申请

WO2005059184A2 PROCESS FOR TREATING ANIMAL SKINS 审中-公开
标题翻译：处理动物皮肤的方法
公开(公告)号：WO2005059184A2
公开(公告)日：2005-06-30
申请号：PCT/EP2004014155
申请日：2004-12-09
申请人： AKZO NOBEL NV , GASES RES INNOVATION AND TECHN , BERKHOUT HERMANUS JOHANNUS , GARCIA DEL RIO JOSE RAMON
发明人： BERKHOUT HERMANUS JOHANNUS , GARCIA DEL RIO JOSE RAMON
IPC分类号： C14C1/08
CPC分类号： C14C1/08
摘要： The present invention pertains to a process for degreasing and/or drying animal skins which comprises contacting the skins to be degreased and/or dried with one or more extractor solvents comprising at least one solvent selected from the group consisting of dimethyl ether (DME), methylal, dioxolane, diethyl ether, and methyl ethyl ketone. Most preferably, the extractor solvent is DME.
摘要翻译：本发明涉及一种用于脱脂和/或干燥动物皮肤的方法，其包括将待脱脂和/或干燥的皮肤与一种或多种提取溶剂接触，所述提取溶剂包含至少一种选自二甲醚（DME），甲缩醛，二氧戊环，乙醚和甲基乙基酮。萃取剂溶剂最好是DME。

5. 发明申请

WO2023018658A1 LIONFISH LEATHER AND PREPARATION THEREOF 审中-公开
公开(公告)号：WO2023018658A1
公开(公告)日：2023-02-16
申请号：PCT/US2022/039715
申请日：2022-08-08
申请人： QUINTESSENCE MARINE INC.
发明人： CHAVDA, Aarav , SALATINO, Roland
IPC分类号： C14C3/08 , C14C3/14 , C14C3/28 , C14C13/00 , C14C1/02 , C14C1/04 , C14C1/08 , C14C3/02 , C14C3/06 , C14C3/10 , C14C9/02 , C14B1/02 , C14B5/00
摘要： Systems and methods for preparing fish leather, which may comprise lionfish leather. A method of making lionfish leather may comprise cutting, using one or more guidelines, at least a portion of a lionfish body, wherein the guidelines are configured to facilitate removal of skin from of the lionfish body; removing, using the one or more guidelines, the skin from the lionfish body, wherein the removed skin defines a cut skin pattern based on at least the guidelines; and subjecting the removed skin to at least a tanning process to provide a lionfish leather.

6. 发明申请

WO2022224150A1 METHOD FOR THE FUNCTIONALIZING TREATMENT OF HIDES FOR THE IMPROVEMENT OF THE ELASTIC PROPERTIES 审中-公开
公开(公告)号：WO2022224150A1
公开(公告)日：2022-10-27
申请号：PCT/IB2022/053672
申请日：2022-04-20
申请人： LEATHER PLUS S.R.L.
发明人： IANNONE, Maria , NETTI, Paolo Antonio
IPC分类号： C14C1/06 , C14C1/00 , C14C1/08
摘要： A method (1, 10) for the functionalizing treatment of hides of the type comprising a dermis of animal origin comprising fibers and/or fibrils of collagen and an aqueous component, in order to improve the elastic properties of the hides, comprising the steps of: a1) removing selectively the aqueous component of the dermis of the hides, by using one or more organic solvents; a2) performing a dehydrothermal treatment for the activation of reactive groups present in the collagen, provided by arranging the hides in an environment in which the pressure is equal to or lower than 100 mTorr and the temperature is equal to or higher than 90°C.

7. 发明申请

WO2020044250A1 METAL-FREE TANNING METHOD 审中-公开
公开(公告)号：WO2020044250A1
公开(公告)日：2020-03-05
申请号：PCT/IB2019/057231
申请日：2019-08-28
申请人： SANTORI PELLAMI S.P.A.
发明人： SANTORI, Andrea , SANTORI, Sara
IPC分类号： C14C3/16 , C14C3/28 , C14C1/08 , C14C3/10 , D06P3/32
摘要： Method (1) for metal-free tanning of a quantity of hide having initial weight (w), said quantity of hide being contained in a drum, wherein said method (1) comprises at least one tanning treatment (B) of said hide including at least the following operating steps: B.1 feeding aliphatic aldehyde into said drum, in a percentage ranging between about 1% and 3% by weight with respect to the initial weight (w) of said hide, optionally equal to about 2% by weight, and B.2 moving said drum for a time period of at least about 10 min, optionally approximately 20 min at an operating speed between 1 and 8 revolutions/minute, preferably comprised between 4 and 5 revolutions/minute; B.3 feeding citric acid into said drum, in a percentage ranging between about 0.1% and 0.3% by weight with respect to the initial weight (w) of said hide, optionally equal to about 0.2% by weight, and B.4 moving said drum for a time period of at least about other 10 min, optionally approximately 20 min at said operating speed; B.5 feeding aliphatic aldehyde into said drum, in a percentage ranging between about 1% and about 3% by weight with respect to the initial weight (w) of said hide, optionally equal to about 2% by weight, and B.6 moving said drum for a time period of at least about 150 min, optionally approximately 180 min at said operating speed; B.7 feeding sodium formate into said drum, in a percentage ranging between about 0.3% and about 0.7% by weight with respect to the initial weight (w) of said hide, optionally equal to about 0.5% by weight, and B.8 moving said drum for a time period of at least about 20 min, optionally approximately 30 min at said operating speed; B.9 feeding magnesium oxide into said drum, in a percentage ranging between about 0.3% and about 0.7% by weight with respect to the initial weight (w) of said hide, optionally equal to about 0.5% by weight, and B.10 moving said drum for a time period of at least about 60 min, optionally approximately 90 min at said operating speed; B.11 feeding water into said drum, at a temperature ranging between about 30°C and about 60°C, optionally equal to about 50°C, in a percentage ranging between about 30% and 50% by weight with respect to the initial weight (w) of said hide, optionally equal to about 40% by weight, and B.12 moving said drum for a time period of at least about 100 min, optionally approximately 120 min at said operating speed; B.13 feeding aliphatic aldehyde into said drum, in a percentage ranging between about 1% and 5% by weight with respect to the initial weight (w) of said hide, optionally equal to about 3% by weight, and B.14 moving said drum for a time period of at least about 100 min, optionally approximately 120 min at said operating speed; and then B.15 moving said drum for a maintaining period comprised between about 10 and about 16 hours, optionally approximately 14 hours, at a first maintaining speed ranging between about 1 and 5 revolutions/hour, optionally comprised between 2 and 4 revolutions/hour, even more optionally equal to about 3 revolutions/hour.

8. 发明申请

WO2014091341A1 A PROCESS AND COMPOSITIONS FOR DEGREASING PELTS 审中-公开
标题翻译：一种降解沥青的方法和组合物
公开(公告)号：WO2014091341A1
公开(公告)日：2014-06-19
申请号：PCT/IB2013/060335
申请日：2013-11-22
申请人： COLORTEX S.P.A.
发明人： GORIA, Enrico , CEPPARRONE, Antonuccio
IPC分类号： C14C1/08 , C11D3/20
CPC分类号： C14C1/08
摘要： The present invention refers to a novel process for treating pelts comprising degreasing of pelts or of intermediate products in leather manufacture, with novel degreasing agents never used until today in this field, having high degreasing efficacy, a reduced environmental impact and low costs.
摘要翻译：本发明涉及一种用于处理皮毛的新方法，其包括皮革制造中的皮肤或中间产品的脱脂，以及迄今为止在该领域从未使用的新型脱脂剂，具有高脱脂效果，降低的环境影响和低成本。

9. 发明申请

WO2004037589A3 METHOD FOR PRODUCING LEATHER 审中-公开
标题翻译：生产皮革的方法
公开(公告)号：WO2004037589A3
公开(公告)日：2004-06-24
申请号：PCT/EP0311368
申请日：2003-10-14
申请人： BASF AG , TAEGER TILMAN LUEDECKE , PABST GUNTHER , LAMALLE PHILIPPE , HUEFFER STEPHAN , SCHROEDER STEFAN
发明人： TAEGER TILMAN LUEDECKE , PABST GUNTHER , LAMALLE PHILIPPE , HUEFFER STEPHAN , SCHROEDER STEFAN
IPC分类号： C14C1/06 , C14C3/16 , C14C1/08
CPC分类号： C14C1/065
摘要： The invention relates to a method for producing leather, comprising at least two of the following method steps A) to D): A) using one or more polyelectrolytes during the production of semifinished or intermediate products, involving the addition of one or more polyelectrolytes in at least one of steps (a) to (d): (a) together with 0 to 1.5 % by weight of lime, with regard to the weight of salt, immediately before or in the lime pit; (b) before or during deliming; (c) before or during bating; (d) together with, in total, 0 to 3 % by weight of alkaline salt or alkaline earth salt, with regard to the pelt weight, immediately before or in the pickle solution; B) in the lime pit, treating the skins in an aqueous liquor with one or more compounds of general formula (B.1) or with their corresponding alkali metal salts, alkaline earth metal salts, ammonium salts or phosphonium salts, whereby variables R and X to X have the meanings as cited in the description, with the provision that at least two mercapto groups are contained in the compound or compounds B.1; C) using degreasing agents of general formula (C.1) for degreasing pelts, skins or other intermediate stages and semifinished products during the production of leather, whereby variables n and R to R have the meanings as cited in the description; D) tanning by using a tanning agent that can be produced by reacting at least one aldehyde of general formula (D.1) with at least one other identical or different aldehyde of formula (D.1) in the presence of an acid catalyst and, optionally, in the presence of at least one additional carbonyl compound of formula (D.2), whereby variables Z and R to R have the meanings as cited in the description, with the provision that, in the event Z corresponds to a chemical single bond or to a radical without alpha -hydrogen atoms, at least one additional aldehyde of formula (D.1), in which radical Z contains alpha -hydrogen atoms, or at least one additional carbonyl compound of formula (D.2) is present. The invention also relates to leather that is produced according to the inventive method.
摘要翻译：本发明涉及一种用于生产皮革的方法，包括至少两个以下步骤a）至d）组成：a）在生产的半成品或中间产品，该方法包括在至少一种中加入一种或多种聚电解质使用一种或多种聚电解质的步骤（a）至（d）：（一）连同0〜1.5重量％的石灰，基于该盐腌重量，立即之前或期间石灰，（b）之前或期间，脱灰，（c）中之前或期间酸洗，（d）用合计为0〜3重量％的碱金属或碱土金属的盐，基于所述毛皮重量一起，之前立即或过程中酸洗; B）治疗在含水液体中的石灰含有通式（B.1）或它们的相应的碱金属，碱土金属，铵或鏻盐，其中变量R <10>和X <1>到的一种或多种化合物的皮 X 4具有在说明书中给出的含义，条件是在一种或多种化合物B.1中存在至少两个巯基; C）Entfettungsmittteln的使用通式（C.1）至R <21>的含义引用在脱脂毛皮，皮革，或其它中间体和半成品在制作皮革的描述中，其中，所述变量n和R <16>; d）鞣制使用可以由通式（D.1）的至少一种醛的反应来制备鞣剂，与下式的至少一个另外的相同或不同的醛在酸催化剂的存在下和任选地在至少一个另外的D.1的存在式（D.2）的羰基化合物中，变量Z和R <22>至R <25>在本说明书中已经给出的含义，条件是对于该情况下Z是具有没有alpha单一化学键或基团，条件氢对应于式D.1，其中Z含有的α-氢原子，或式D.2的至少一个另外的羰基化合物的存在的至少一个另外的醛。此外，本发明涉及根据本发明方法生产的皮革。

10. 发明申请

WO9423072A2 DEGREASING AGENT 审中-公开
标题翻译：脱脂
公开(公告)号：WO9423072A2
公开(公告)日：1994-10-13
申请号：PCT/EP9400973
申请日：1994-03-28
申请人： HENKEL KGAA , ZAUNS HUBER RUDOLF , WOLTER FREDI , PRINZ WOLFGANG , MEFFERT ALFRED , HERRMANN KLAUS
发明人： ZAUNS-HUBER RUDOLF , WOLTER FREDI , PRINZ WOLFGANG , MEFFERT ALFRED , HERRMANN KLAUS
IPC分类号： B01F17/42 , C11D1/72 , C11D1/825 , C11D3/00 , C14C1/00 , C14C5/00 , C14C1/08
CPC分类号： C11D3/0031 , C11D1/72 , C11D1/8255 , C14C1/00 , C14C5/00
摘要： A degreasing agent for skins, smoothed skins, pelts, leathers and the like based on non-ionogenic emulsifyers of the fatty alcohol alkoxylate type contains a mixture of (a) C12-18 fatty alcohol ethoxylates with in average more than 6 EO groups in the molecule and (b) precursor fatty alcohol ethoxylates with in average 1 to 3 EO groups in the molecule. The fatty alcohols at the basis of components (a) and (b) have a iodine value lower than 10. The amount of component (b) equals about 2 to 20 % by weight of the sum of (a) and (b) and the degreasing agent is free from precursor fatty alcohols. These degreasing agents are very effective and biologically tolerable.

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