EP0287960A3 - Verfahren zur Herstellung von Hemicellulosehydrolysat und einem speziellen Zellstoff - Google Patents

Verfahren zur Herstellung von Hemicellulosehydrolysat und einem speziellen Zellstoff Download PDF

Info

Publication number: EP0287960A3
Authority: EP; European Patent Office
Prior art keywords: production; hemicellulose hydrolysate; special pulp; dissolving; pulp
Prior art date: 1987-04-21
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

EP19880106006

Other languages

English (en)

French (fr)

Other versions

EP0287960A2 (de

EP0287960B1 (de

Inventor

Panu Tikka

Nils Erik Virkola

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.)

SciTech Services Inc

Original Assignee

Suomen Sokeri Oy

SciTech Services Inc

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.)

1987-04-21

Filing date

1988-04-15

Publication date

1991-04-17

1988-04-15 Application filed by Suomen Sokeri Oy, SciTech Services Inc filed Critical Suomen Sokeri Oy

1988-10-26 Publication of EP0287960A2 publication Critical patent/EP0287960A2/de

1991-04-17 Publication of EP0287960A3 publication Critical patent/EP0287960A3/de

1994-09-21 Application granted granted Critical

1994-09-21 Publication of EP0287960B1 publication Critical patent/EP0287960B1/de

2008-04-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K1/00—Glucose; Glucose-containing syrups
- C13K1/02—Glucose; Glucose-containing syrups obtained by saccharification of cellulosic materials

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Emergency Medicine (AREA)
General Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Biochemistry (AREA)
Organic Chemistry (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Amplifiers (AREA)

EP88106006A 1987-04-21 1988-04-15 Verfahren zur Herstellung von Hemicellulosehydrolysat und einem speziellen Zellstoff Expired - Lifetime EP0287960B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI871730A FI79564C (fi)	1987-04-21	1987-04-21	Foerfarande foer framstaellning av hemicellulosahydrolysat och specialmassa.
FI871730		1987-04-21

Publications (3)

Publication Number	Publication Date
EP0287960A2 EP0287960A2 (de)	1988-10-26
EP0287960A3 true EP0287960A3 (de)	1991-04-17
EP0287960B1 EP0287960B1 (de)	1994-09-21

Family

ID=8524351

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88106006A Expired - Lifetime EP0287960B1 (de)	1987-04-21	1988-04-15	Verfahren zur Herstellung von Hemicellulosehydrolysat und einem speziellen Zellstoff

Country Status (8)

Country	Link
EP (1)	EP0287960B1 (de)
AT (1)	ATE111986T1 (de)
BR (1)	BR8801894A (de)
CA (1)	CA1295095C (de)
DE (1)	DE3851565T2 (de)
ES (1)	ES2062995T3 (de)
FI (1)	FI79564C (de)
RU (1)	RU1799408C (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10064131C2 (de) *	2000-12-22	2003-03-27	Sca Hygiene Prod Gmbh	Vollgebleichter Sulfit-Zellstoff, Verfahren zu seiner Herstellung und daraus hergestellte Produkte
DE602007008591D1 (de) *	2007-11-27	2010-09-30	Innventia Ab	Verwendung eines Holzhydrolysats
FI129760B (en)	2020-07-06	2022-08-15	Amppc Finland Oy	A high yield cooking method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3532597A (en) *	1969-03-11	1970-10-06	Uddeholms Ab	Preparation of dissolving pulps from wood by hydrolysis and alkaline sulfite digestion
DE2628971A1 (de) *	1976-06-28	1978-01-05	Waldhof Aschaffenburg Papier	Verfahren zur herstellung von zellstoff in verbindung mit der gewinnung von holzzuckern
CA1216105A (en) *	1984-04-06	1987-01-06	C-I-L Inc.	Pulping process

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA773044B (en) *	1976-06-02	1978-04-26	Australian Paper Manufacturers	Improvements in pulping processes

1987
- 1987-04-21 FI FI871730A patent/FI79564C/fi not_active IP Right Cessation
1988
- 1988-04-15 CA CA000564311A patent/CA1295095C/en not_active Expired - Lifetime
- 1988-04-15 DE DE3851565T patent/DE3851565T2/de not_active Expired - Fee Related
- 1988-04-15 EP EP88106006A patent/EP0287960B1/de not_active Expired - Lifetime
- 1988-04-15 AT AT88106006T patent/ATE111986T1/de active
- 1988-04-20 RU SU884355611A patent/RU1799408C/ru active
- 1988-04-21 BR BR8801894A patent/BR8801894A/pt unknown
- 1988-05-11 ES ES88106006T patent/ES2062995T3/es not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3532597A (en) *	1969-03-11	1970-10-06	Uddeholms Ab	Preparation of dissolving pulps from wood by hydrolysis and alkaline sulfite digestion
DE2628971A1 (de) *	1976-06-28	1978-01-05	Waldhof Aschaffenburg Papier	Verfahren zur herstellung von zellstoff in verbindung mit der gewinnung von holzzuckern
CA1216105A (en) *	1984-04-06	1987-01-06	C-I-L Inc.	Pulping process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABSTRACT BULLETIN OF THE INSTITUTE OF PAPER CHEMISTRY. vol. 58, no. 7, January 1988, APPLETON US page 943 Abou-State, M.A.: "Highly reactive viscose pulp from wheat straw by alkaline sulfide-sulfite-anthraquinone pulping." *

Also Published As

Publication number	Publication date
ATE111986T1 (de)	1994-10-15
CA1295095C (en)	1992-02-04
FI79564B (fi)	1989-09-29
FI79564C (fi)	1990-01-10
FI871730L (fi)	1988-10-22
BR8801894A (pt)	1988-11-22
DE3851565D1 (de)	1994-10-27
ES2062995T3 (es)	1995-01-01
DE3851565T2 (de)	1995-01-26
EP0287960A2 (de)	1988-10-26
EP0287960B1 (de)	1994-09-21
FI871730A0 (fi)	1987-04-21
RU1799408C (ru)	1993-02-28

Legal Events

Date	Code	Title	Description
1988-09-10	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
1988-10-26	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE
1989-03-08	17P	Request for examination filed	Effective date: 19890105
1989-08-09	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: CULTOR LTD.
1991-02-25	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1991-03-27	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: SCITECH SERVICES, INC.
1991-04-17	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE
1992-04-08	17Q	First examination report despatched	Effective date: 19920221
1994-08-05	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-09-21	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE
1994-09-21	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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;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.SCRIBED TIME-LIMIT Effective date: 19940921 Ref country code: NL Effective date: 19940921 Ref country code: BE Effective date: 19940921 Ref country code: CH Effective date: 19940921 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 19940921 Ref country code: LI Effective date: 19940921
1994-09-21	REF	Corresponds to:	Ref document number: 111986 Country of ref document: AT Date of ref document: 19941015 Kind code of ref document: T
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1995-03-16	NLV1	Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
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1995-12-13	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 19950415
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