BR9502950A - Agentes de curtimento processo para sua preparação de método de curtimento - Google Patents

Agentes de curtimento processo para sua preparação de método de curtimento

Info

Publication number
BR9502950A
BR9502950A BR9502950A BR9502950A BR9502950A BR 9502950 A BR9502950 A BR 9502950A BR 9502950 A BR9502950 A BR 9502950A BR 9502950 A BR9502950 A BR 9502950A BR 9502950 A BR9502950 A BR 9502950A
Authority
BR
Brazil
Prior art keywords
tanning
method preparation
agents
tanning agents
tanning method
Prior art date
Application number
BR9502950A
Other languages
English (en)
Inventor
Harro Traeubel
Helmut Reiff
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of BR9502950A publication Critical patent/BR9502950A/pt

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
    • C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR9502950A 1994-06-28 1995-06-27 Agentes de curtimento processo para sua preparação de método de curtimento BR9502950A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4422569A DE4422569A1 (de) 1994-06-28 1994-06-28 Bisulfit-blockierte Polyisocyanate als Gerbstoffe

Publications (1)

Publication Number Publication Date
BR9502950A true BR9502950A (pt) 1996-03-12

Family

ID=6521689

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9502950A BR9502950A (pt) 1994-06-28 1995-06-27 Agentes de curtimento processo para sua preparação de método de curtimento

Country Status (7)

Country Link
US (1) US5618317A (pt)
EP (1) EP0690135B1 (pt)
JP (1) JPH08199200A (pt)
BR (1) BR9502950A (pt)
CA (1) CA2152539A1 (pt)
DE (2) DE4422569A1 (pt)
ES (1) ES2140581T3 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19624821A1 (de) * 1996-06-21 1998-01-02 Bayer Ag Verfahren zur Gerbung von Leder
AU6398498A (en) * 1997-02-26 1998-09-18 Bayer Aktiengesellschaft Biologically degradable leather
DE102004050284A1 (de) * 2004-10-15 2006-04-27 Lanxess Deutschland Gmbh Isocyanat-basierende Gerbstoffe
EP2415879A1 (de) 2010-08-06 2012-02-08 LANXESS Deutschland GmbH Zusammensetzungen enthaltend wenigstens eine Carbamoylsulfonatgruppen-haltige Verbindung und ihre Verwendung als Gerbstoffe
EP2508627A1 (de) 2011-04-04 2012-10-10 LANXESS Deutschland GmbH Festes, partikuläres Material auf Basis Carbamoylsulfonatgruppen-haltiger Verbindungen
EP2508626A1 (de) 2011-04-04 2012-10-10 LANXESS Deutschland GmbH Feste, partikuläre Gerbstoffpräparationen
WO2012150179A1 (de) * 2011-05-04 2012-11-08 Lanxess Deutschland Gmbh Verfahren zum konservieren von collagenfaserhaltigen substrat
EP2726522A1 (de) 2011-06-29 2014-05-07 LANXESS Deutschland GmbH Zusammensetzung auf basis carbamoylsulfonatgruppen-haltiger verbindungen
EP2540753A1 (de) 2011-06-29 2013-01-02 LANXESS Deutschland GmbH Zusammensetzung auf Basis Carbamoylsulfonatgruppen-haltiger Verbindungen
EP2557181A1 (de) 2011-08-12 2013-02-13 LANXESS Deutschland GmbH Verfahren zum Hydrophobieren von collagenfaserhaltigen Substraten
EP2557224A1 (de) 2011-08-12 2013-02-13 LANXESS Deutschland GmbH Verfahren zum Färben von collagenfaserhaltigen Substraten
JP5307308B1 (ja) * 2012-09-18 2013-10-02 大榮産業株式会社 ブロックポリイソシアネート組成物、プレポリマー組成物及びそれらの製造方法、並びに、ブロックポリイソシアネート組成物の熱解離性ブロック剤
WO2014045620A1 (ja) * 2012-09-18 2014-03-27 大榮産業株式会社 ブロックポリイソシアネート組成物、プレポリマー組成物及びそれらの製造方法、並びに、ブロックポリイソシアネート組成物の熱解離性ブロック剤

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE72981C (de) * E. HOSCHBERGER in Buchholz i. S Ausrückvorrichtung für Schnuren-Umspinnmascbinen
US2923594A (en) * 1958-05-29 1960-02-02 Ethicon Inc Method of tanning
US2941859A (en) * 1959-04-08 1960-06-21 Martin L Fein Tanning with glutaraldehyde
DE2308015B2 (de) 1973-02-17 1980-07-31 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur
US4106897A (en) * 1974-04-04 1978-08-15 Bayer Aktiengesellschaft Leather tanning with oligourethanes
US4413997A (en) * 1983-02-07 1983-11-08 The United States Of America As Represented By The Secretary Of Agriculture Dicarbamoylsulfonate tanning agent
DE3702615A1 (de) * 1987-01-29 1988-08-11 Henkel Kgaa Beschichtungs- und zurichtmittel fuer leder
DE3743782A1 (de) 1987-12-23 1989-07-13 Bayer Ag Ester-urethan-(meth)-acrylsaeurederivate
DE3900053A1 (de) 1989-01-03 1990-07-12 Bayer Ag Verfahren zur herstellung von uretdion- und isocyanuratgruppen aufweisenden polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung in zweikomponenten-polyurethanlacken

Also Published As

Publication number Publication date
ES2140581T3 (es) 2000-03-01
EP0690135B1 (de) 1999-11-17
DE59507234D1 (de) 1999-12-23
US5618317A (en) 1997-04-08
JPH08199200A (ja) 1996-08-06
CA2152539A1 (en) 1995-12-29
DE4422569A1 (de) 1996-01-04
EP0690135A1 (de) 1996-01-03

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 7A,8A,9A,10A,11A,12A,13A,14A E 15A ANUIDADES.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO NAO CUMPRIMENTO DO DESPACHO 24.3 NA RPI 2054 DE 18/05/2010 E COMPROVAR RECOLHIMENTO DA16A, 17A E 18A ANUIDADES.