DE59507234D1 - Bisulfit-blockierte Polyisocyanate als Gerbstoffe - Google Patents

Bisulfit-blockierte Polyisocyanate als Gerbstoffe

Info

Publication number
DE59507234D1
DE59507234D1 DE59507234T DE59507234T DE59507234D1 DE 59507234 D1 DE59507234 D1 DE 59507234D1 DE 59507234 T DE59507234 T DE 59507234T DE 59507234 T DE59507234 T DE 59507234T DE 59507234 D1 DE59507234 D1 DE 59507234D1
Authority
DE
Germany
Prior art keywords
bisulfite
tanning agents
blocked polyisocyanates
polyisocyanates
blocked
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE59507234T
Other languages
English (en)
Inventor
Harro Traeubel
Helmut Reiff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lanxess Deutschland GmbH
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
Application granted granted Critical
Publication of DE59507234D1 publication Critical patent/DE59507234D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE59507234T 1994-06-28 1995-06-14 Bisulfit-blockierte Polyisocyanate als Gerbstoffe Expired - Fee Related DE59507234D1 (de)

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
DE59507234D1 true DE59507234D1 (de) 1999-12-23

Family

ID=6521689

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4422569A Withdrawn DE4422569A1 (de) 1994-06-28 1994-06-28 Bisulfit-blockierte Polyisocyanate als Gerbstoffe
DE59507234T Expired - Fee Related DE59507234D1 (de) 1994-06-28 1995-06-14 Bisulfit-blockierte Polyisocyanate als Gerbstoffe

Family Applications Before (1)

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DE4422569A Withdrawn DE4422569A1 (de) 1994-06-28 1994-06-28 Bisulfit-blockierte Polyisocyanate als Gerbstoffe

Country Status (7)

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

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
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
BR9502950A (pt) 1996-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BAYER CHEMICALS AG, 51373 LEVERKUSEN, DE

8327 Change in the person/name/address of the patent owner

Owner name: LANXESS DEUTSCHLAND GMBH, 51373 LEVERKUSEN, DE

8339 Ceased/non-payment of the annual fee