DK169080B1 - Chromgarvningsfremgangsmåde - Google Patents

Chromgarvningsfremgangsmåde Download PDF

Info

Publication number
DK169080B1
DK169080B1 DK450488A DK450488A DK169080B1 DK 169080 B1 DK169080 B1 DK 169080B1 DK 450488 A DK450488 A DK 450488A DK 450488 A DK450488 A DK 450488A DK 169080 B1 DK169080 B1 DK 169080B1
Authority
DK
Denmark
Prior art keywords
chromium
acid
tanning
reaction product
process according
Prior art date
Application number
DK450488A
Other languages
Danish (da)
English (en)
Other versions
DK450488D0 (da
DK450488A (da
Inventor
Bernhard Wehling
Bernd Makowka
Heinz-Guenter Klein
Helga Rosentreter
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 DK450488D0 publication Critical patent/DK450488D0/da
Publication of DK450488A publication Critical patent/DK450488A/da
Application granted granted Critical
Publication of DK169080B1 publication Critical patent/DK169080B1/da

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
DK450488A 1987-08-12 1988-08-11 Chromgarvningsfremgangsmåde DK169080B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873726796 DE3726796A1 (de) 1987-08-12 1987-08-12 Verfahren zur hochauszehrenden chromgerbung
DE3726796 1987-08-12

Publications (3)

Publication Number Publication Date
DK450488D0 DK450488D0 (da) 1988-08-11
DK450488A DK450488A (da) 1989-02-13
DK169080B1 true DK169080B1 (da) 1994-08-08

Family

ID=6333571

Family Applications (1)

Application Number Title Priority Date Filing Date
DK450488A DK169080B1 (da) 1987-08-12 1988-08-11 Chromgarvningsfremgangsmåde

Country Status (13)

Country Link
US (1) US4919680A (de)
EP (1) EP0304677B1 (de)
JP (1) JPH0814000B2 (de)
KR (1) KR960010048B1 (de)
AU (1) AU607525B2 (de)
BR (1) BR8804055A (de)
DE (2) DE3726796A1 (de)
DK (1) DK169080B1 (de)
ES (1) ES2021122B3 (de)
MX (1) MX169356B (de)
NZ (1) NZ225747A (de)
TR (1) TR23818A (de)
ZA (1) ZA885914B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX9204788A (es) * 1991-08-22 1993-04-01 Sandoz Ag Proceso para la produccion de curtido o recurtido mineral de cuero o piel
DE19624821A1 (de) * 1996-06-21 1998-01-02 Bayer Ag Verfahren zur Gerbung von Leder
WO2004087967A1 (en) * 2003-04-04 2004-10-14 Tfl Ledertechnick Gmbh Composition comprising chromium salts for tanning
US20050211633A1 (en) * 2004-03-24 2005-09-29 Luc Lachapelle Method and apparatus for treating pig manure
JP5110505B2 (ja) * 2007-04-04 2012-12-26 奥野製薬工業株式会社 亜鉛又は亜鉛合金上に形成された化成皮膜に対するオーバーコート用組成物
JP5110504B2 (ja) * 2007-04-04 2012-12-26 奥野製薬工業株式会社 黒色化成皮膜形成用組成物
TR200708916A1 (tr) * 2007-12-25 2009-07-21 Soda Sanay� A.�. Krom komplekslerinin dericilikte kullanılması.
CN106119438A (zh) * 2016-06-20 2016-11-16 安徽银河皮革有限公司 一种缩纹粒面革加工工艺
CN108002478B (zh) * 2016-11-01 2021-06-29 昆山循清环保工程有限公司 处理铬鞣废液中三价铬离子的萃取剂及其制备方法、萃取方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB547129A (en) * 1941-02-07 1942-08-14 John Burchill Improved tanning process
DE1241032B (de) * 1961-04-08 1967-05-24 Bayer Ag Verfahren zur Herstellung von Leder
AR208085A1 (es) * 1974-05-18 1976-11-30 Bayer Ag Procedimiento de curtido al cromo
DE2626429C3 (de) * 1976-06-12 1981-06-19 Bayer Ag, 5090 Leverkusen Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner
DE2626430C2 (de) * 1976-06-12 1982-06-03 Bayer Ag, 5090 Leverkusen Verfahren zum Gerben von Leder und Gerbmischung
DE3636002A1 (de) * 1986-10-23 1988-04-28 Roehm Gmbh Verbessertes verfahren zur chromgerbung von bloessen

Also Published As

Publication number Publication date
AU2058788A (en) 1989-02-16
JPS6466300A (en) 1989-03-13
BR8804055A (pt) 1989-03-07
AU607525B2 (en) 1991-03-07
DE3726796A1 (de) 1989-02-23
NZ225747A (en) 1990-02-26
JPH0814000B2 (ja) 1996-02-14
DK450488D0 (da) 1988-08-11
DK450488A (da) 1989-02-13
US4919680A (en) 1990-04-24
TR23818A (tr) 1990-09-13
EP0304677A1 (de) 1989-03-01
KR960010048B1 (ko) 1996-07-25
ES2021122B3 (es) 1991-10-16
KR890003960A (ko) 1989-04-19
ZA885914B (en) 1989-05-30
MX169356B (es) 1993-06-30
DE3861936D1 (de) 1991-04-11
EP0304677B1 (de) 1991-03-06

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