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1. 发明专利

JPH10195500A COMPOSITION FOR LEATHER PRODUCTION 失效
公开(公告)号：JPH10195500A
公开(公告)日：1998-07-28
申请号：JP35121897
申请日：1997-12-19
申请人： TFL LEDERTECHNIK GMBH & CO KG
发明人： KOMFORTH REINER , LAUTON ALAIN
IPC分类号： C14C9/00 , C14C3/00 , C14C3/28 , C14C9/02
摘要： PROBLEM TO BE SOLVED: To obtain the subject composition comprising a retanning agent, stuffing agent and, as desired, other additive(s), capable of extremely simplifying leather wet dressing operation, and having high storage stability. SOLUTION: This composition comprises (A) a retanning agent (e.g. phytotanning agent, aromatic synthetic tanning agent, resin tanning agent), (B) a stuffing agent (e.g. based on animal fat or vegetable fat) and, as desired, (C) other additive(s) (e.g. neutralizing agent, carrier, colorant, impregnant, dressing agent or dressing auxiliary), and exists in such a form as to afford a homogeneous mixture when added at 10-60 deg.C to at least 8wt. times of water, pref. to form micelle containing both the components A and B when added to water. It is preferable that this composition comprises 10-80wt.% of the component A, 5-50wt.% of the component B and 0-55wt.% of the component C and is solid at

2. 发明授权

US10815542B2 Tanning composition and method based on an acetal of an aldehydic tanning agent 有权
公开(公告)号：US10815542B2
公开(公告)日：2020-10-27
申请号：US16410233
申请日：2019-05-13
申请人： TFL Ledertechnik GmbH
发明人： Catherine Gabagnou , Nina Schulte-Gauczinski , Grigore Daniel Herta , Jens Fennen
IPC分类号： C14C3/00 , C14C3/16
摘要： A composition including an acetal of an aldehydic tanning agent for tanning hides and/or pelts, as well as a method for tanning hides and/or pelts in order to produce leather, wherein an acetal of an aldehydic tanning agent is used. By reducing the pH, the aldehydic tanning agent can be released, whereby a tanning step is initiated. The composition according to the invention and the method according to the invention are characterized by lower toxicity compared to conventional compositions and tanning methods based on aldehydic tanning agents. Furthermore, improved penetration of the tanning agents into deeper layers of the hide and/or the pelt is possible, so that particularly homogeneous tanning is achieved.

3. 发明申请

US20190309379A1 TANNING COMPOSITION AND METHOD BASED ON AN ACETAL OF AN ALDEHYDIC TANNING AGENT 审中-公开
公开(公告)号：US20190309379A1
公开(公告)日：2019-10-10
申请号：US16410233
申请日：2019-05-13
申请人： TFL Ledertechnik GmbH
发明人： Catherine Gabagnou , Nina Schulte-Gauczinski , Grigore Daniel Herta , Jens Fennen
IPC分类号： C14C3/16
摘要： A composition including an acetal of an aldehydic tanning agent for tanning hides and/or pelts, as well as a method for tanning hides and/or pelts in order to produce leather, wherein an acetal of an aldehydic tanning agent is used. By reducing the pH, the aldehydic tanning agent can be released, whereby a tanning step is initiated. The composition according to the invention and the method according to the invention are characterized by lower toxicity compared to conventional compositions and tanning methods based on aldehydic tanning agents. Furthermore, improved penetration of the tanning agents into deeper layers of the hide and/or the pelt is possible, so that particularly homogeneous tanning is achieved.

4. 发明授权

US11365456B2 Method for producing hydrophobicizing leather treatment agents 有权
公开(公告)号：US11365456B2
公开(公告)日：2022-06-21
申请号：US16467609
申请日：2017-12-04
申请人： TFL Ledertechnik GmbH
发明人： Bernhard Jansen , Juergen Reiners , Rafael Grosch , Guenter Kaster , Uwe Borowski
IPC分类号： C14C9/00 , C08F220/06 , C08F220/68 , C08L33/02 , C08L33/10 , C14C3/22
摘要： A method of preparing hydrophobicizing leather treatment compositions includes the steps of a) free-radically initiated copolymerization of i) at least one ethylenically unsaturated carboxylic acid or its derivatives, and ii) at least one (meth)acrylate of a primary saturated C8 to C22 alcohol, b) mixing the reaction mixture obtained after step a) with water, c) salting at least some of the carboxyl groups of the reaction mixture obtained after step b) with a base, and d) shearing the reaction mixture obtained after step c) to an average particle size of 0.05-10 μm, wherein step a) is carried out in oil as reaction medium and wherein the atmosphere in step a) contains less than 0.1% by volume of an oxidizing gas.

5. 发明申请

US20190106758A1 TANNING COMPOSITION AND METHOD BASED ON AN ACETAL OF AN ALDEHYDIC TANNING AGENT 审中-公开
公开(公告)号：US20190106758A1
公开(公告)日：2019-04-11
申请号：US16089523
申请日：2017-03-29
申请人： TFL Ledertechnik GmbH
发明人： Catherine Gabagnou , Nina Schulte , Grigore Daniel Herta , Jens Fennen
IPC分类号： C14C3/16
摘要： A composition including an acetal of an aldehydic tanning agent for tanning hides and/or pelts, as well as a method for tanning hides and/or pelts in order to produce leather, wherein an acetal of an aldehydic tanning agent is used. By reducing the pH, the aldehydic tanning agent can be released, whereby a tanning step is initiated. The composition and the method are characterized by lower toxicity compared to conventional compositions and tanning methods based on aldehydic tanning agents. Furthermore, improved penetration of the tanning agents into deeper layers of the hide and/or the pelt is possible, so that particularly homogeneous tanning is achieved.

6. 发明申请

US20160160301A1 PROCESS FOR RETANNING LEATHER 审中-公开
标题翻译：拉伸皮革的工艺
公开(公告)号：US20160160301A1
公开(公告)日：2016-06-09
申请号：US14904722
申请日：2014-07-25
申请人： TFL LEDERTECHNIK GMBH
发明人： Jens FENNEN , Eric KIENTZ , Florian DÖPPERT , Nina SCHULTE
IPC分类号： C14C3/28 , C14C3/14 , D06P3/00 , C14C3/22
CPC分类号： C14C3/28 , C14C3/10 , C14C3/14 , C14C3/20 , C14C3/22 , C14C9/02 , C14C11/006 , D06P3/00 , C09D175/04 , C08L75/08
摘要： The present invention is directed to a process for retanning leather comprising the steps of: a) providing tanned or pre-tanned leather b) treating the tanned leather of step a) with a composition comprising hollow microspheres, preferably as an aqueous composition, the hollow microspheres have a true density of from 0.01 to 0.10 g/cm3 (25° C.) and/or a bulk density of the dry powder of 0.005 to 0.06 g/cm3 (25° C.), c) drying, whereby the temperature of the leather during drying does not exceed 75° C. as well as to leather obtained by said process.
摘要翻译：本发明涉及一种复鞣皮革的方法，包括以下步骤：a）提供鞣制或预鞣皮革b）用包含中空微球体，优选作为水性组合物的组合物处理步骤a）的鞣制皮革，微球具有0.01至0.10g / cm 3（25℃）和/或干粉末的堆积密度为0.005至0.06g / cm 3（25℃）的真密度，c）干燥，由此温度的皮革在干燥过程中不超过75℃，以及通过所述方法获得的皮革。

7. 发明申请

US20220127687A1 DEVICE, EXCHANGE UNIT, KIT, AND METHOD FOR REDUCING THE ODOR OF TANNED LEATHER 有权
公开(公告)号：US20220127687A1
公开(公告)日：2022-04-28
申请号：US17311912
申请日：2019-12-09
申请人： TFL Ledertechnik GmbH
发明人： Jens Fennen , Rodolfo Ampuero Allen , Nina Schulte-Gauczinski , Lorenzo Mejias Llanos
IPC分类号： C14C15/00
摘要： The invention relates to a device for reducing the odor of tanned leather, comprising a treatment chamber, which is designed to dry tanned leather and/or treat dried leather, and at least one odor reducing reservoir, wherein the at least one odor reducing reservoir has at least one odor-neutralizing substance, and a gas-exchange connection is provided between the treatment chamber and the odor reducing reservoir.

8. 发明授权

US10604813B2 Tanning composition and method based on an acetal of an aldehydic tanning agent 有权
公开(公告)号：US10604813B2
公开(公告)日：2020-03-31
申请号：US16089523
申请日：2017-03-29
申请人： TFL Ledertechnik GmbH
发明人： Catherine Gabagnou , Nina Schulte , Grigore Daniel Herta , Jens Fennen
IPC分类号： C14C3/00 , C14C3/16
摘要： A composition including an acetal of an aldehydic tanning agent for tanning hides and/or pelts, as well as a method for tanning hides and/or pelts in order to produce leather, wherein an acetal of an aldehydic tanning agent is used. By reducing the pH, the aldehydic tanning agent can be released, whereby a tanning step is initiated. The composition and the method are characterized by lower toxicity compared to conventional compositions and tanning methods based on aldehydic tanning agents. Furthermore, improved penetration of the tanning agents into deeper layers of the hide and/or the pelt is possible, so that particularly homogeneous tanning is achieved.

9. 发明授权

US10087497B2 Process for retanning leather 有权
公开(公告)号：US10087497B2
公开(公告)日：2018-10-02
申请号：US14904722
申请日：2014-07-25
申请人： TFL LEDERTECHNIK GMBH
发明人： Jens Fennen , Eric Kientz , Florian Döppert , Nina Schulte
IPC分类号： C14C3/28 , C14C3/10 , C14C3/20 , C14C3/22 , C14C9/02 , C14C11/00 , C14C3/14 , D06P3/00
摘要： The present invention is directed to a process for retanning leather comprising the steps of: a) providing tanned or pre-tanned leather b) treating the tanned leather of step a) with a composition comprising hollow microspheres, preferably as an aqueous composition, the hollow microspheres have a true density of from 0.01 to 0.10 g/cm3 (25° C.) and/or a bulk density of the dry powder of 0.005 to 0.06 g/cm3 (25° C.), c) drying, whereby the temperature of the leather during drying does not exceed 75° C. as well as to leather obtained by said process.

10. 发明专利

TW200641140A 處理皮革之組成物 COMPOSITION FOR THE TREATMENT OF LEATHER 审中-公开
简体标题：处理皮革之组成物 COMPOSITION FOR THE TREATMENT OF LEATHER
公开(公告)号：TW200641140A
公开(公告)日：2006-12-01
申请号：TW094144427
申请日：2005-12-15
申请人： TFL皮革技術股份有限公司 TFL LEDERTECHNIK GMBH
发明人：亞庫戴瑞克 DIREK, AYKUT , 亞倫羅頓 LAUTON, ALAIN
IPC分类号： C14C , C07C
CPC分类号： C14C3/28 , C14C3/20
摘要：本發明係關於一種用於處理白濕、藍濕或植物預鞣皮革之方法，其特徵在於：基於該處理目的，將一種含有下列組分之組合物a)1–95重量％酚與磺酸化劑之反應產物，其中(酚)：(SO3)之莫耳比為(1)：(1.1–2.2)，b)1–95重量％磺酸與甲醛之反應產物及c)5–50重量％之c1)二羥基二芳基磺酸與芳基–或(羥基)芳基磺酸之甲醛縮合物及／或c2)酚與酚磺酸之／甲醛縮合物，該等組分a)、b)、c1)及／或c2)之總和為100重量％，以水性溶液形式加入該水性液劑中，及若調整至50％之濃度，則以作為基材之獸皮或毛皮的削勻重計1–20重量％之量加入該液劑中，在第一次鞣製之後及接續處理之前加入該液劑中，其包括再鞣製、染色及加脂等步驟中之一或多者且不需中和步驟也不需改變液劑；以及藉由此方法所獲得或利用該組合物所獲得之該等皮革。
简体摘要：本发明系关于一种用于处理白湿、蓝湿或植物预鞣皮革之方法，其特征在于：基于该处理目的，将一种含有下列组分之组合物a)1–95重量％酚与磺酸化剂之反应产物，其中(酚)：(SO3)之莫耳比为(1)：(1.1–2.2)，b)1–95重量％磺酸与甲醛之反应产物及c)5–50重量％之c1)二羟基二芳基磺酸与芳基–或(羟基)芳基磺酸之甲醛缩合物及／或c2)酚与酚磺酸之／甲醛缩合物，该等组分a)、b)、c1)及／或c2)之总和为100重量％，以水性溶液形式加入该水性液剂中，及若调整至50％之浓度，则以作为基材之兽皮或毛皮的削匀重计1–20重量％之量加入该液剂中，在第一次鞣制之后及接续处理之前加入该液剂中，其包括再鞣制、染色及加脂等步骤中之一或多者且不需中和步骤也不需改变液剂；以及借由此方法所获得或利用该组合物所获得之该等皮革。

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