BR8804055A - Processo de curtimento ao cromo de couros descarnados e depilados pequelados - Google Patents

Processo de curtimento ao cromo de couros descarnados e depilados pequelados

Info

Publication number
BR8804055A
BR8804055A BR8804055A BR8804055A BR8804055A BR 8804055 A BR8804055 A BR 8804055A BR 8804055 A BR8804055 A BR 8804055A BR 8804055 A BR8804055 A BR 8804055A BR 8804055 A BR8804055 A BR 8804055A
Authority
BR
Brazil
Prior art keywords
chrome
depilates
leathers
disclosed
small
Prior art date
Application number
BR8804055A
Other languages
English (en)
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 BR8804055A publication Critical patent/BR8804055A/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
    • C14C3/04—Mineral tanning
    • C14C3/06—Mineral tanning using chromium compounds
BR8804055A 1987-08-12 1988-08-11 Processo de curtimento ao cromo de couros descarnados e depilados pequelados BR8804055A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR8804055A true BR8804055A (pt) 1989-03-07

Family

ID=6333571

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8804055A BR8804055A (pt) 1987-08-12 1988-08-11 Processo de curtimento ao cromo de couros descarnados e depilados pequelados

Country Status (13)

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

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
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
DK169080B1 (da) 1994-08-08
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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Legal Events

Date Code Title Description
FG Letter patent granted
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 11/08/2003