EP0210481A3 - Method of deliming hides and use of sulphurous acid cyclic esters as deliming agents - Google Patents

Method of deliming hides and use of sulphurous acid cyclic esters as deliming agents Download PDF

Info

Publication number: EP0210481A3
Authority: EP; European Patent Office
Prior art keywords: deliming; hides; agents; cyclic esters; acid cyclic
Prior art date: 1985-07-27
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

EP86109313A

Other languages

German (de)

Other versions

EP0210481B1 (en

EP0210481A2 (en

Inventor

Kurt Dr. Schneider

Dietrich Dr. Lach

Rolf Streicher

Ortwin Dr. Schaffer

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.)

BASF SE

Original Assignee

BASF SE

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.)

1985-07-27

Filing date

1986-07-08

Publication date

1987-08-12

1986-07-08 Application filed by BASF SE filed Critical BASF SE

1987-02-04 Publication of EP0210481A2 publication Critical patent/EP0210481A2/en

1987-08-12 Publication of EP0210481A3 publication Critical patent/EP0210481A3/en

1988-11-02 Application granted granted Critical

1988-11-02 Publication of EP0210481B1 publication Critical patent/EP0210481B1/en

Status Expired legal-status Critical Current

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
- C14C1/00—Chemical treatment prior to tanning
- C14C1/08—Deliming; Bating; Pickling; Degreasing

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)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Detergent Compositions (AREA)
Paper (AREA)

EP86109313A 1985-07-27 1986-07-08 Method of deliming hides and use of sulphurous acid cyclic esters as deliming agents Expired EP0210481B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19853527013 DE3527013A1 (en)	1985-07-27	1985-07-27	METHOD FOR THE DECALCIFICATION OF SKIN AND USE OF CYCLIC ESTERS OF THE SILICOUS ACID AS A DECALCIFIER
DE3527013		1985-07-27

Publications (3)

Publication Number	Publication Date
EP0210481A2 EP0210481A2 (en)	1987-02-04
EP0210481A3 true EP0210481A3 (en)	1987-08-12
EP0210481B1 EP0210481B1 (en)	1988-11-02

Family

ID=6276998

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP86109313A Expired EP0210481B1 (en)	1985-07-27	1986-07-08	Method of deliming hides and use of sulphurous acid cyclic esters as deliming agents

Country Status (6)

Country	Link
US (1)	US4729768A (en)
EP (1)	EP0210481B1 (en)
JP (1)	JPS6330600A (en)
CA (1)	CA1257755A (en)
DE (2)	DE3527013A1 (en)
ES (1)	ES2000764A6 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2825081B1 (en) *	1978-06-08	1979-10-04	Basf Ag	Process for de-liming skins
EP0059909A1 (en) *	1981-03-06	1982-09-15	BASF Aktiengesellschaft	Method of deliming hides

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4078888A (en) *	1976-09-20	1978-03-14	Abbott Laboratories	Fungal protection for leather

1985
- 1985-07-27 DE DE19853527013 patent/DE3527013A1/en not_active Withdrawn
1986
- 1986-07-08 DE DE8686109313T patent/DE3661082D1/en not_active Expired
- 1986-07-08 EP EP86109313A patent/EP0210481B1/en not_active Expired
- 1986-07-18 CA CA000514125A patent/CA1257755A/en not_active Expired
- 1986-07-18 US US06/886,683 patent/US4729768A/en not_active Expired - Fee Related
- 1986-07-24 JP JP61172939A patent/JPS6330600A/en active Pending
- 1986-07-24 ES ES8600619A patent/ES2000764A6/en not_active Expired

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2825081B1 (en) *	1978-06-08	1979-10-04	Basf Ag	Process for de-liming skins
EP0059909A1 (en) *	1981-03-06	1982-09-15	BASF Aktiengesellschaft	Method of deliming hides

Also Published As

Publication number	Publication date
EP0210481B1 (en)	1988-11-02
JPS6330600A (en)	1988-02-09
EP0210481A2 (en)	1987-02-04
ES2000764A6 (en)	1988-03-16
US4729768A (en)	1988-03-08
DE3527013A1 (en)	1987-02-05
CA1257755A (en)	1989-07-25
DE3661082D1 (en)	1988-12-08

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Legal Events

Date	Code	Title	Description
1986-12-19	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
1987-02-04	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): CH DE FR GB IT LI
1987-06-22	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-08-12	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): CH DE FR GB IT LI
1987-09-02	17P	Request for examination filed	Effective date: 19870702
1988-05-11	17Q	First examination report despatched	Effective date: 19880325
1988-09-17	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1988-11-02	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): CH DE FR GB IT LI
1988-11-15	ITF	It: translation for a ep patent filed
1988-12-08	REF	Corresponds to:	Ref document number: 3661082 Country of ref document: DE Date of ref document: 19881208
1988-12-21	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
1989-03-10	ET	Fr: translation filed
1989-08-31	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1989-08-31	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1989-10-18	26N	No opposition filed
1990-06-15	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19900615 Year of fee payment: 5
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2005-07-08	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: 20050708