CA2048618A1 - Methode de desencrage du papier recycle - Google Patents

Methode de desencrage du papier recycle

Info

Publication number: CA2048618A1
Authority: CA; Canada
Prior art keywords: stock; waste paper; paper materials; ink particles; fibrous
Prior art date: 1989-03-15
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

CA002048618A

Other languages

English (en)

Other versions

CA2048618C (fr

Inventor

Stanley Blum

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.)

Woodfree Ltd

Original Assignee

Individual

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.)

1989-03-15

Filing date

1990-03-14

Publication date

1990-09-16

1990-03-14 Application filed by Individual filed Critical Individual

1990-03-14 Priority claimed from PCT/GB1990/000385 external-priority patent/WO1990010749A1/fr

1990-09-16 Publication of CA2048618A1 publication Critical patent/CA2048618A1/fr

2002-04-23 Application granted granted Critical

2002-04-23 Publication of CA2048618C publication Critical patent/CA2048618C/fr

2010-03-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling

Landscapes

Paper (AREA)
Treatment Of Sludge (AREA)

CA 2048618 1989-03-15 1990-03-14 Methode de desencrage du papier recycle Expired - Fee Related CA2048618C (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB8905942.2		1989-03-15
GB8905942A GB8905942D0 (en)	1989-03-15	1989-03-15	A method of de-inking waste paper materials
PCT/GB1990/000385 WO1990010749A1 (fr)	1989-03-15	1990-03-14	Procede permettant d'enlever l'encre de materiaux a base de vieux papiers

Publications (2)

Publication Number	Publication Date
CA2048618A1 true CA2048618A1 (fr)	1990-09-16
CA2048618C CA2048618C (fr)	2002-04-23

Family

ID=10653370

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2048618 Expired - Fee Related CA2048618C (fr)	1989-03-15	1990-03-14	Methode de desencrage du papier recycle

Country Status (16)

Country	Link
KR (1)	KR0151110B1 (fr)
BG (1)	BG95308A (fr)
BR (1)	BR9007224A (fr)
CA (1)	CA2048618C (fr)
DE (1)	DE69017205T2 (fr)
FI (1)	FI914276A0 (fr)
GB (1)	GB8905942D0 (fr)
IN (1)	IN174412B (fr)
LT (1)	LTIP1852A (fr)
MC (1)	MC2179A1 (fr)
MW (1)	MW5091A1 (fr)
MY (1)	MY107139A (fr)
NZ (1)	NZ232892A (fr)
PH (1)	PH27030A (fr)
PT (1)	PT93425B (fr)
ZA (1)	ZA901713B (fr)

1989
- 1989-03-15 GB GB8905942A patent/GB8905942D0/en active Pending
1990
- 1990-03-06 ZA ZA901713A patent/ZA901713B/xx unknown
- 1990-03-09 MY MYPI90000373A patent/MY107139A/en unknown
- 1990-03-12 IN IN205CA1990 patent/IN174412B/en unknown
- 1990-03-13 NZ NZ23289290A patent/NZ232892A/xx unknown
- 1990-03-13 PH PH40180A patent/PH27030A/en unknown
- 1990-03-14 DE DE69017205T patent/DE69017205T2/de not_active Expired - Fee Related
- 1990-03-14 FI FI914276A patent/FI914276A0/fi not_active Application Discontinuation
- 1990-03-14 CA CA 2048618 patent/CA2048618C/fr not_active Expired - Fee Related
- 1990-03-14 MC MC90@@D patent/MC2179A1/fr unknown
- 1990-03-14 KR KR1019910701116A patent/KR0151110B1/ko not_active Expired - Fee Related
- 1990-03-14 PT PT93425A patent/PT93425B/pt not_active IP Right Cessation
- 1990-03-14 BR BR9007224A patent/BR9007224A/pt not_active IP Right Cessation
1991
- 1991-09-13 MW MW5091A patent/MW5091A1/xx unknown
- 1991-10-10 BG BG095308A patent/BG95308A/bg unknown
1994
- 1994-01-31 LT LTIP1852A patent/LTIP1852A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE69017205D1 (de)	1995-03-30
MY107139A (en)	1995-09-30
IN174412B (fr)	1994-12-03
MW5091A1 (en)	1993-02-10
KR0151110B1 (ko)	1999-05-15
FI914276A7 (fi)	1991-09-11
FI914276A0 (fi)	1991-09-11
PH27030A (en)	1993-02-01
MC2179A1 (fr)	1992-05-22
DE69017205T2 (de)	1995-10-19
ZA901713B (en)	1990-12-28
GB8905942D0 (en)	1989-04-26
BG95308A (bg)	1993-12-24
CA2048618C (fr)	2002-04-23
LTIP1852A (en)	1995-08-25
NZ232892A (en)	1991-11-26
PT93425A (pt)	1990-11-07
PT93425B (pt)	1996-09-30
BR9007224A (pt)	1992-02-18
KR920701565A (ko)	1992-08-12

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CA2018175A1 (fr)	1990-12-05	Desintegrateur
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Beath et al.	1981	Process for Making Refiner Mechanical Pulp
KR860001037B1 (en)	1986-07-28	Process for the manufacturing of paper pulp corrugated board

Legal Events

Date	Code	Title	Description
1997-03-05	EEER	Examination request
2005-03-14	MKLA	Lapsed