WO2015044971A3 - Process for tanning leathers with triazine derivatives - Google Patents

Process for tanning leathers with triazine derivatives Download PDF

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Publication number
WO2015044971A3
WO2015044971A3 PCT/IT2014/000226 IT2014000226W WO2015044971A3 WO 2015044971 A3 WO2015044971 A3 WO 2015044971A3 IT 2014000226 W IT2014000226 W IT 2014000226W WO 2015044971 A3 WO2015044971 A3 WO 2015044971A3
Authority
WO
WIPO (PCT)
Prior art keywords
water
triazine derivatives
calcined
leather
container
Prior art date
Application number
PCT/IT2014/000226
Other languages
French (fr)
Other versions
WO2015044971A2 (en
Inventor
Aurora ZANCANARO
Giorgio POZZA
Valentina BEGHETTO
Original Assignee
Gruppo Mastrotto S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gruppo Mastrotto S.P.A. filed Critical Gruppo Mastrotto S.P.A.
Priority to EP14790355.3A priority Critical patent/EP3049541B1/en
Publication of WO2015044971A2 publication Critical patent/WO2015044971A2/en
Publication of WO2015044971A3 publication Critical patent/WO2015044971A3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

Process for tanning leathers with triazine derivatives comprising at least the steps of transforming a raw animal skin into a de-calcined leather, placing the de- calcined leather in a container with water at room temperature, rotating said container, adding a triazine derivative, dissolved in water, in a concentration ranging between 5.5% and 22%, with respect to the pelt weight, or adding water soluble condensing agents, and draining and washing in water.
PCT/IT2014/000226 2013-09-24 2014-08-27 Process for tanning leathers with triazine derivatives WO2015044971A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14790355.3A EP3049541B1 (en) 2013-09-24 2014-08-27 Process for tanning leathers with triazine derivatives

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000233A ITVI20130233A1 (en) 2013-09-24 2013-09-24 PROCEDURE FOR THE TANNING OF LEATHER WITH TRIAZINE DERIVATIVES
ITVI2013A000233 2013-09-24

Publications (2)

Publication Number Publication Date
WO2015044971A2 WO2015044971A2 (en) 2015-04-02
WO2015044971A3 true WO2015044971A3 (en) 2015-07-16

Family

ID=49486609

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2014/000226 WO2015044971A2 (en) 2013-09-24 2014-08-27 Process for tanning leathers with triazine derivatives

Country Status (3)

Country Link
EP (1) EP3049541B1 (en)
IT (1) ITVI20130233A1 (en)
WO (1) WO2015044971A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUA20164602A1 (en) * 2016-06-22 2017-12-22 Crossing S R L 31100 Treviso "USE OF 2,4-DIALO-6-SUBSTITUTE-1,3,5-TRIAZINES, AND THEIR DERIVATIVES, AS CONDENSING, RETICULATION, TANNING, GRAFTING AND CURING AGENTS".
WO2019158341A1 (en) * 2018-02-16 2019-08-22 Huntsman Advanced Materials (Switzerland) Gmbh Process for the simultaneous tanning and dyeing of collagen containing fibrous material
WO2020002979A1 (en) 2018-06-28 2020-01-02 Gruppo Mastrotto S.P.A. Thermally dispersing and electrically conductive processed leather

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599142A (en) * 1949-08-12 1952-06-03 American Cyanamid Co Tanning and bleaching leather with a sulfoaromaticmelamine-formaldehyde resin
US20040253291A1 (en) * 2002-01-25 2004-12-16 Biomedical Design, Inc. Calcification-resistant fixation
CN101314058A (en) * 2007-05-28 2008-12-03 江阴奔翔生物科技有限公司 Modification method for animal skin collagen
US20120058357A1 (en) * 2009-05-14 2012-03-08 Clariant Finance (Bvi) Limited Tanning Process and Tanning Composition
US20130198974A1 (en) * 2010-10-28 2013-08-08 Clariant Finance (Bvi) Limited Non-Metal Tanning Process

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2599142A (en) * 1949-08-12 1952-06-03 American Cyanamid Co Tanning and bleaching leather with a sulfoaromaticmelamine-formaldehyde resin
US20040253291A1 (en) * 2002-01-25 2004-12-16 Biomedical Design, Inc. Calcification-resistant fixation
CN101314058A (en) * 2007-05-28 2008-12-03 江阴奔翔生物科技有限公司 Modification method for animal skin collagen
US20120058357A1 (en) * 2009-05-14 2012-03-08 Clariant Finance (Bvi) Limited Tanning Process and Tanning Composition
US20130198974A1 (en) * 2010-10-28 2013-08-08 Clariant Finance (Bvi) Limited Non-Metal Tanning Process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 200907, Derwent World Patents Index; AN 2009-B12036, XP002725233 *

Also Published As

Publication number Publication date
ITVI20130233A1 (en) 2015-03-25
EP3049541B1 (en) 2020-08-19
WO2015044971A2 (en) 2015-04-02
EP3049541A2 (en) 2016-08-03

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