NO965514L - Maskeringsmiddel for garvemiddel på kromsulfatbasis og fremgangsmåte ved garving av huder i vandig miljö - Google Patents

Maskeringsmiddel for garvemiddel på kromsulfatbasis og fremgangsmåte ved garving av huder i vandig miljö

Info

Publication number
NO965514L
NO965514L NO965514A NO965514A NO965514L NO 965514 L NO965514 L NO 965514L NO 965514 A NO965514 A NO 965514A NO 965514 A NO965514 A NO 965514A NO 965514 L NO965514 L NO 965514L
Authority
NO
Norway
Prior art keywords
tanning
masking agent
chromium
skin
aqueous environment
Prior art date
Application number
NO965514A
Other languages
English (en)
Other versions
NO965514D0 (no
Inventor
Rachida Qiabi
Michel Delmas
Original Assignee
Toulouse Inst Nat Polytech
Gaches Chimie Sa
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 Toulouse Inst Nat Polytech, Gaches Chimie Sa filed Critical Toulouse Inst Nat Polytech
Publication of NO965514L publication Critical patent/NO965514L/no
Publication of NO965514D0 publication Critical patent/NO965514D0/no

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
    • C14C3/04—Mineral tanning
    • C14C3/06—Mineral tanning using chromium compounds

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

Maskeringsmiddel for et garvemiddel på kromsulfatbasis, som har som formål å forsinke bindingen av kromioner i opp- løsning for å fremme absorpsjon av krom- ionene i materialene som skal garves. Maskeringsmidlet omfatter en blanding av alkalimetallformiat og alkalimetallsul- fitt som reagerer synergistisk, slik at kromet binder seg nesten fullstendig og irreversibelt til hudene. Det oppnås en nesten fullstendig utarming av garve- badene og en påfølgende meget lav ut- saltning.
NO965514A 1994-06-22 1996-12-20 Maskeringsmiddel for garvemiddel på kromsulfatbasis og fremgangsmåte ved garving av huder i vandig miljö NO965514D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9407757A FR2721619B1 (fr) 1994-06-22 1994-06-22 Produit de masquage pour sels métalliques à propriétés tannantes tels que sels de chrome, et procédé de tannage de peaux en milieu aqueux.
PCT/FR1995/000782 WO1995035391A1 (fr) 1994-06-22 1995-06-14 Produit de masquage pour agent de tannage a base de sulfate de chrome, et procede de tannage de peaux en milieu aqueux

Publications (2)

Publication Number Publication Date
NO965514L true NO965514L (no) 1996-12-20
NO965514D0 NO965514D0 (no) 1996-12-20

Family

ID=9464600

Family Applications (1)

Application Number Title Priority Date Filing Date
NO965514A NO965514D0 (no) 1994-06-22 1996-12-20 Maskeringsmiddel for garvemiddel på kromsulfatbasis og fremgangsmåte ved garving av huder i vandig miljö

Country Status (6)

Country Link
EP (1) EP0766746A1 (no)
AU (1) AU2795795A (no)
CA (1) CA2193368A1 (no)
FR (1) FR2721619B1 (no)
NO (1) NO965514D0 (no)
WO (1) WO1995035391A1 (no)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2908967A1 (de) * 1979-03-07 1980-09-18 Bayer Ag Alterungsbestaendige chromgerbstoffe
SU1169994A1 (ru) * 1983-01-11 1985-07-30 Ташкентское Производственное Объединение Искусственных И Натуральных Кож "Узбекистан" Способ обработки кож
DE3636002A1 (de) * 1986-10-23 1988-04-28 Roehm Gmbh Verbessertes verfahren zur chromgerbung von bloessen

Also Published As

Publication number Publication date
EP0766746A1 (fr) 1997-04-09
FR2721619A1 (fr) 1995-12-29
CA2193368A1 (fr) 1995-12-28
FR2721619B1 (fr) 1996-08-23
WO1995035391A1 (fr) 1995-12-28
NO965514D0 (no) 1996-12-20
AU2795795A (en) 1996-01-15

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