PT82341A - A process for the manufacture of cellulose pulps - Google Patents

A process for the manufacture of cellulose pulps

Info

Publication number: PT82341A
Authority: PT; Portugal
Prior art keywords: manufacture; cellulose pulps; pulps; cellulose
Prior art date: 1985-04-04

Application number

PT82341A

Other languages

English (en)

Other versions

PT82341B (pt

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

1986-05-01

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

1986-05-01 Publication of PT82341A publication Critical patent/PT82341A/pt

1988-12-15 Publication of PT82341B publication Critical patent/PT82341B/pt

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
- 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

PT82341A 1985-04-04 1986-04-04 Processo para a preparacao de polpas de celulose PT82341B (pt)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number	Publication Date
PT82341A true PT82341A (en)	1986-05-01
PT82341B PT82341B (pt)	1988-12-15

Family

ID=19921155

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT82341A PT82341B (pt)	1985-04-04	1986-04-04	Processo para a preparacao de polpas de celulose

Country Status (15)

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

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 (fi) *	2005-12-02	2017-04-13	Metsä Board Oyj	Kemimekaaninen massa ja menetelmä sen valmistamiseksi
CN102561094B (zh) *	2012-01-06	2015-04-15	黑龙江浩源生物科技有限公司	利用玉米秸秆木糖渣制浆造纸的方法
CN103410036B (zh) *	2013-08-15	2015-11-18	齐鲁工业大学	一种阔叶木高得率浆的生产方法
CN104928958A (zh) *	2015-05-25	2015-09-23	张家港市欣发包装有限责任公司	一种利用秸秆制备瓦楞纸的方法
AT518800B1 (de)	2016-06-17	2019-09-15	Andritz Ag Maschf	Verfahren zur herstellung von faserstoff
CN112342814B (zh) *	2020-11-19	2023-03-31	横县东糖糖业有限公司纸业分公司	以桉木树皮为原料生产高强度本色纸浆的方法
CN113481741B (zh) *	2021-07-27	2023-05-09	中福海峡(平潭)发展股份有限公司	一种菌草化机浆及其制备方法和应用

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

Also Published As

Publication number	Publication date
AU5565086A (en)	1986-10-16
NZ211684A (en)	1989-07-27
EP0199481A1 (en)	1986-10-29
FI83238C (fi)	1991-06-10
ES554182A0 (es)	1987-06-01
BR8601558A (pt)	1986-12-09
NO167159C (no)	1991-10-09
NO861307L (no)	1986-10-06
FI83238B (fi)	1991-02-28
MY102502A (en)	1992-06-30
ES8705940A1 (es)	1987-06-01
FI861453L (fi)	1986-10-05
AR243623A1 (es)	1993-08-31
DE3667515D1 (de)	1990-01-18
FI861453A0 (fi)	1986-04-04
KR860008339A (ko)	1986-11-14
ZA862454B (en)	1986-11-26
KR930003394B1 (ko)	1993-04-26
NO167159B (no)	1991-07-01
JPS61282491A (ja)	1986-12-12
CA1273454A (en)	1990-09-04
PT82341B (pt)	1988-12-15
EP0199481B1 (en)	1989-12-13
AU585331B2 (en)	1989-06-15

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Legal Events

Date	Code	Title	Description
2004-02-27	MM3A	Annulment or lapse	Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 20031130

Date

Code

Title

Description

2004-02-27

MM3A

Annulment or lapse

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

Effective date: 20031130