FI861453L - FOERFARANDE FOER FRAMSTAELLNING AV CELLULOSA. - Google Patents

FOERFARANDE FOER FRAMSTAELLNING AV CELLULOSA. Download PDF

Info

Publication number: FI861453L
Authority: FI; Finland
Prior art keywords: cellulosa; foerfarande foer; foer framstaellning; framstaellning; foerfarande
Prior art date: 1985-04-04

Application number

FI861453A

Other languages

Finnish (fi)

Other versions

FI83238B (en

FI83238C (en

FI861453A0 (en

Inventor

David Henry Nunweek

Pekka Pellervo Rahkila

Original Assignee

Caxton Paper Mills Ltd

Yhtyneet Paperitehtaat Oy

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.)

1985-04-04

Filing date

1986-04-04

Publication date

1986-10-05

1986-04-04 Application filed by Caxton Paper Mills Ltd, Yhtyneet Paperitehtaat Oy filed Critical Caxton Paper Mills Ltd

1986-04-04 Publication of FI861453A0 publication Critical patent/FI861453A0/en

1986-10-05 Publication of FI861453L publication Critical patent/FI861453L/en

1991-02-28 Publication of FI83238B publication Critical patent/FI83238B/en

1991-06-10 Application granted granted Critical

1991-06-10 Publication of FI83238C publication Critical patent/FI83238C/en

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
- D21C3/26—Multistage processes
- D21C3/266—Multistage processes the same pulping agent being used in all stages
- 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
- D21C3/26—Multistage processes

FI861453A 1985-04-04 1986-04-04 Process for producing cellulose FI83238C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NZ211684A NZ211684A (en)	1985-04-04	1985-04-04	Manufacture of cellulose pulp: second digestion step follows initial digestion and refining steps
NZ21168485		1985-04-04

Publications (4)

Publication Number	Publication Date
FI861453A0 FI861453A0 (en)	1986-04-04
FI861453L true FI861453L (en)	1986-10-05
FI83238B FI83238B (en)	1991-02-28
FI83238C FI83238C (en)	1991-06-10

Family

ID=19921155

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI861453A FI83238C (en)	1985-04-04	1986-04-04	Process for producing cellulose

Country Status (15)

Country	Link
EP (1)	EP0199481B1 (en)
JP (1)	JPS61282491A (en)
KR (1)	KR930003394B1 (en)
AR (1)	AR243623A1 (en)
AU (1)	AU585331B2 (en)
BR (1)	BR8601558A (en)
CA (1)	CA1273454A (en)
DE (1)	DE3667515D1 (en)
ES (1)	ES8705940A1 (en)
FI (1)	FI83238C (en)
MY (1)	MY102502A (en)
NO (1)	NO167159C (en)
NZ (1)	NZ211684A (en)
PT (1)	PT82341B (en)
ZA (1)	ZA862454B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USH1672H (en) *	1988-03-28	1997-08-05	Kimberly-Clark Corporation	Tissue products made from low-coarseness fibers
FI126694B (en) *	2005-12-02	2017-04-13	Metsä Board Oyj	Chemical-mechanical pulp and process for producing chemical-mechanical pulp
CN102561094B (en) *	2012-01-06	2015-04-15	黑龙江浩源生物科技有限公司	Method for making pulp and paper by using cornstalk xylose residue
CN103410036B (en) *	2013-08-15	2015-11-18	齐鲁工业大学	A kind of production method of high-yield hardwood pulp
CN104928958A (en) *	2015-05-25	2015-09-23	张家港市欣发包装有限责任公司	Method of producing corrugated paper with straw
AT518800B1 (en) *	2016-06-17	2019-09-15	Andritz Ag Maschf	METHOD FOR PRODUCING FIBROUS MATERIAL
CN112342814B (en) *	2020-11-19	2023-03-31	横县东糖糖业有限公司纸业分公司	Method for producing high-strength natural-color paper pulp by taking eucalyptus bark as raw material
CN113481741B (en) *	2021-07-27	2023-05-09	中福海峡(平潭)发展股份有限公司	Fungus grass chemical machine pulp and preparation method and application thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1145106A (en) *	1980-07-11	1983-04-26	Alan C. Shaw	Procedure for improving properties of mechanical wood pulps
US4502918A (en) *	1981-06-10	1985-03-05	Macmillan Bloedel Limited	Two-stage chemical treatment of mechanical wood pulp with sodium sulfite
AU570034B2 (en) *	1983-04-20	1988-03-03	Process Evaluation And Development Corp.	Continuous pulp digester

1985
- 1985-04-04 NZ NZ211684A patent/NZ211684A/en unknown
1986
- 1986-04-03 NO NO861307A patent/NO167159C/en not_active IP Right Cessation
- 1986-04-03 CA CA000505773A patent/CA1273454A/en not_active Expired - Lifetime
- 1986-04-03 ZA ZA862454A patent/ZA862454B/en unknown
- 1986-04-04 ES ES554182A patent/ES8705940A1/en not_active Expired
- 1986-04-04 PT PT82341A patent/PT82341B/en not_active IP Right Cessation
- 1986-04-04 JP JP61079058A patent/JPS61282491A/en active Pending
- 1986-04-04 EP EP86302491A patent/EP0199481B1/en not_active Expired
- 1986-04-04 AU AU55650/86A patent/AU585331B2/en not_active Ceased
- 1986-04-04 BR BR8601558A patent/BR8601558A/en not_active IP Right Cessation
- 1986-04-04 AR AR86303572A patent/AR243623A1/en active
- 1986-04-04 KR KR1019860002568A patent/KR930003394B1/en not_active Expired - Fee Related
- 1986-04-04 DE DE8686302491T patent/DE3667515D1/en not_active Expired - Lifetime
- 1986-04-04 FI FI861453A patent/FI83238C/en not_active IP Right Cessation
1987
- 1987-10-10 MY MYPI87002889A patent/MY102502A/en unknown

Also Published As

Publication number	Publication date
NO861307L (en)	1986-10-06
MY102502A (en)	1992-06-30
FI83238B (en)	1991-02-28
CA1273454A (en)	1990-09-04
KR930003394B1 (en)	1993-04-26
KR860008339A (en)	1986-11-14
JPS61282491A (en)	1986-12-12
FI83238C (en)	1991-06-10
AR243623A1 (en)	1993-08-31
AU585331B2 (en)	1989-06-15
ZA862454B (en)	1986-11-26
EP0199481B1 (en)	1989-12-13
NZ211684A (en)	1989-07-27
NO167159B (en)	1991-07-01
BR8601558A (en)	1986-12-09
DE3667515D1 (en)	1990-01-18
AU5565086A (en)	1986-10-16
NO167159C (en)	1991-10-09
PT82341B (en)	1988-12-15
EP0199481A1 (en)	1986-10-29
ES554182A0 (en)	1987-06-01
FI861453A0 (en)	1986-04-04
PT82341A (en)	1986-05-01
ES8705940A1 (en)	1987-06-01

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Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: CAXTON PAPER MILLS LIMITED Owner name: YHTYNEET PAPERITEHTAAT OY

Date

Code

Title

Description

2004-08-31

Patent lapsed

Owner name: CAXTON PAPER MILLS LIMITED

Owner name: YHTYNEET PAPERITEHTAAT OY