EP0225491A3 - Tanning agent and method for its manufacture - Google Patents

Tanning agent and method for its manufacture Download PDF

Info

Publication number
EP0225491A3
EP0225491A3 EP86115504A EP86115504A EP0225491A3 EP 0225491 A3 EP0225491 A3 EP 0225491A3 EP 86115504 A EP86115504 A EP 86115504A EP 86115504 A EP86115504 A EP 86115504A EP 0225491 A3 EP0225491 A3 EP 0225491A3
Authority
EP
European Patent Office
Prior art keywords
tanning agent
manufacture
pelts
tanned
skins
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.)
Granted
Application number
EP86115504A
Other languages
German (de)
Other versions
EP0225491A2 (en
EP0225491B1 (en
Inventor
Ulrich Riegel
Fritz Dr. Engelhardt
Kuno Dr. Reh
Helmut Dr. Croon
Hermann Becker
Werner Dr. Lotz
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.)
Sanofi Aventis Deutschland GmbH
Original Assignee
Cassella 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 Cassella AG filed Critical Cassella AG
Priority to AT86115504T priority Critical patent/ATE46190T1/en
Publication of EP0225491A2 publication Critical patent/EP0225491A2/en
Publication of EP0225491A3 publication Critical patent/EP0225491A3/en
Application granted granted Critical
Publication of EP0225491B1 publication Critical patent/EP0225491B1/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C14SKINS; HIDES; PELTS; LEATHER
    • C14CCHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00Tanning; Compositions for tanning
    • C14C3/02Chemical tanning
    • C14C3/08Chemical tanning by organic agents

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)
  • Tea And Coffee (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Ceramic Products (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

Hides, skins and pelts are tanned by use of a tanning agent which comprises the reaction product of acetaldehyde, formaldehyde and a formylamino compound.
EP86115504A 1985-11-13 1986-11-08 Tanning agent and method for its manufacture Expired EP0225491B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86115504T ATE46190T1 (en) 1985-11-13 1986-11-08 TANNING AND PROCESS FOR ITS PRODUCTION.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3540211 1985-11-13
DE19853540211 DE3540211A1 (en) 1985-11-13 1985-11-13 TANNEL AND METHOD FOR THE PRODUCTION THEREOF

Publications (3)

Publication Number Publication Date
EP0225491A2 EP0225491A2 (en) 1987-06-16
EP0225491A3 true EP0225491A3 (en) 1987-11-11
EP0225491B1 EP0225491B1 (en) 1989-09-06

Family

ID=6285850

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86115504A Expired EP0225491B1 (en) 1985-11-13 1986-11-08 Tanning agent and method for its manufacture

Country Status (8)

Country Link
US (1) US4828570A (en)
EP (1) EP0225491B1 (en)
JP (1) JPS62115100A (en)
AT (1) ATE46190T1 (en)
BR (1) BR8605597A (en)
DE (2) DE3540211A1 (en)
ES (1) ES2010502B3 (en)
PT (1) PT83727B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3030863B2 (en) * 1990-12-25 2000-04-10 ダイキン工業株式会社 Leather modifying agent, leather modifying method and modified tanned leather
DE4102545A1 (en) * 1991-01-29 1992-07-30 Basf Ag METHOD FOR GELING, PRELIMINATING AND GIVING BARE AND FUR BLOSSES AND FOR LEAVING LEATHER AND FUR
US5853427A (en) * 1995-07-12 1998-12-29 The United States Of America As Represented By The Secretary Of Agriculture Use of polymerizable oil for leather fatliquor
DE19815946A1 (en) * 1998-04-09 1999-10-14 Basf Ag Polymeric tanning agents containing N-vinyl units
EP2062985A1 (en) 2007-11-23 2009-05-27 N-Zyme BioTec GmbH Method and device for tanning hides and pelts
IT201800010653A1 (en) 2018-11-28 2020-05-28 Sasib Spa METHOD FOR ASSISTANCE TO THE CHANGE OF CONFIGURATION OF AN OPERATING AREA OF A PRODUCT PACKAGING MACHINE IN GENERAL

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918779C (en) * 1942-01-18 1954-10-04 Roehm & Haas G M B H Process for the production of coloring agents for dyes and tannins with acidic groups
GB777474A (en) * 1954-07-05 1957-06-26 St Lawrence Corp Ltd Leather making

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991328A (en) * 1975-06-24 1976-11-09 Rca Corporation Planar transferred electron logic device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE918779C (en) * 1942-01-18 1954-10-04 Roehm & Haas G M B H Process for the production of coloring agents for dyes and tannins with acidic groups
GB777474A (en) * 1954-07-05 1957-06-26 St Lawrence Corp Ltd Leather making

Also Published As

Publication number Publication date
PT83727A (en) 1986-12-01
PT83727B (en) 1988-02-08
EP0225491A2 (en) 1987-06-16
EP0225491B1 (en) 1989-09-06
DE3540211A1 (en) 1987-05-14
JPS62115100A (en) 1987-05-26
DE3665483D1 (en) 1989-10-12
ATE46190T1 (en) 1989-09-15
BR8605597A (en) 1987-08-18
ES2010502B3 (en) 1989-11-16
US4828570A (en) 1989-05-09

Similar Documents

Publication Publication Date Title
SG14085G (en) Accelerating the dryness of textiles,skins,pelts or leather
DE3660494D1 (en) Method for the manufacture of waterproof leather or fur
HU175823B (en) Method for making pelts being ready for tanning from animal hides and furs
DE3665483D1 (en) Tanning agent and method for its manufacture
AU4046195A (en) Aqueous composition for the pretanning of hide pelts or retanning of leather
GB9217709D0 (en) Process for mineral tanning,re-tanning or leather aftertreatment
ES8609486A1 (en) Method of greasing leather and skins.
NZ225747A (en) High extraction chrome tanning process for animal hides
FR2670800B1 (en) PROCESS FOR THE TREATMENT OF SKINS OR LEATHERS, TANNING AGENTS AND METHOD OF MANUFACTURE.
AU551751B2 (en) Chrome utilization in chrome tanning
PT79827B (en) Process for re-tanning of minerally tanned hides
FR2701716B1 (en) LEATHER TANNING PROCESS.
FR2711145B1 (en) Process for tanning skins.
AU5407590A (en) Enzymatic method for unhairing of hides or skins
ES2154473T3 (en) SKIN CURTIDE PROCEDURE.
IT8026469A0 (en) EQUIPMENT FOR FLESHING SKINS, HIDES AND/OR SIMILAR.
YU315677A (en) Process for tanning hides
ES553880A0 (en) METHOD FOR PRESERVING RAW HIDES, FURS AND SKINS OF ANIMALS
PL122280B2 (en) Method of modified chrome tanning, especially of furs
FR2664906B1 (en) PROCESS FOR TANNING SKINS.
DE3562386D1 (en) Process for the quick tanning of leather, and pretanning agent used therein
YU45070B (en) Process for hides tanning
ATE57539T1 (en) PROCESS FOR TANNING LEATHER.
PL283872A2 (en) Method of tanning fur skins
ES2008592A6 (en) Tanning process for goat skins

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB IT LI NL

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB IT LI NL

17P Request for examination filed

Effective date: 19880414

17Q First examination report despatched

Effective date: 19881121

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB IT LI NL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19890906

Ref country code: BE

Effective date: 19890906

REF Corresponds to:

Ref document number: 46190

Country of ref document: AT

Date of ref document: 19890915

Kind code of ref document: T

ITF It: translation for a ep patent filed

Owner name: BARZANO' E ZANARDO MILANO S.P.A.

REF Corresponds to:

Ref document number: 3665483

Country of ref document: DE

Date of ref document: 19891012

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19891130

Ref country code: CH

Effective date: 19891130

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19900731

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed
REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19921209

Year of fee payment: 7

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19921216

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Effective date: 19931108

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19931109

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19970324

Year of fee payment: 11

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19980801

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19980910

Year of fee payment: 13

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000601

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20000601

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 19941214

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051108