JPS5562289A - Delignification of lignocellulose substance - Google Patents

Delignification of lignocellulose substance

Info

Publication number: JPS5562289A
Authority: JP; Japan
Prior art keywords: delignification; lignocellulose substance; lignocellulose; substance
Prior art date: 1978-10-25
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.): Pending

Application number

JP13709479A

Other languages

English (en)

Japanese (ja)

Inventor

Hatsuchinson Horuton Harii

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.)

PPG Architectural Coatings Canada Inc

Original Assignee

Canadian Industries Ltd

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.)

1978-10-25

Filing date

1979-10-25

Publication date

1980-05-10

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10500568&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPS5562289(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1979-10-25 Application filed by Canadian Industries Ltd filed Critical Canadian Industries Ltd

1980-05-10 Publication of JPS5562289A publication Critical patent/JPS5562289A/ja

Status Pending legal-status Critical Current

Links

239000000126 substance Substances 0.000 title 1

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
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting

Landscapes

Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

JP13709479A 1978-10-25 1979-10-25 Delignification of lignocellulose substance Pending JPS5562289A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB7841856		1978-10-25

Publications (1)

Publication Number	Publication Date
JPS5562289A true JPS5562289A (en)	1980-05-10

Family

ID=10500568

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP13709479A Pending JPS5562289A (en)	1978-10-25	1979-10-25	Delignification of lignocellulose substance

Country Status (11)

Country	Link
EP (1)	EP0010451A1 (fr)
JP (1)	JPS5562289A (fr)
AU (1)	AU528368B2 (fr)
BR (1)	BR7906873A (fr)
CA (1)	CA1132763A (fr)
ES (1)	ES485352A1 (fr)
FI (1)	FI793317A7 (fr)
NO (1)	NO793363L (fr)
NZ (1)	NZ191815A (fr)
PT (1)	PT70365A (fr)
ZA (1)	ZA795541B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU595477B2 (en) *	1983-03-02	1990-04-05	Tag Pulp Industries, S.A.	Method for treating lignocellulose materials to obtain cellulose
SE510775C2 (sv) *	1996-09-26	1999-06-21	Kvaerner Pulping Tech	Svavelfri kokning av kemisk massa
US6325892B1 (en)	1998-09-23	2001-12-04	University Of New Brunswick	Method of delignifying sulphite pulp with oxygen and borohydride

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3215588A (en) *	1963-08-15	1965-11-02	Lummus Co	Continuous impregnation, cooking, and washing of fibrous material
CA986662A (en) *	1973-05-01	1976-04-06	Macmillan Bloedel Limited	Pretreatment of lignocellulosic material with anthraquinone salts in alkaline pulping
US4036680A (en) *	1976-12-14	1977-07-19	Canadian Industries, Ltd.	Delignification of lignocellulosic material with a soda pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone in admixture with a nitro aromatic compound
US4127439A (en) *	1977-01-28	1978-11-28	Crown Zellerbach Corporation	Pretreatment of lignocellulose with anthraquinone prior to pulping

1979
- 1979-10-05 CA CA337,139A patent/CA1132763A/fr not_active Expired
- 1979-10-10 NZ NZ191815A patent/NZ191815A/xx unknown
- 1979-10-17 ZA ZA00795541A patent/ZA795541B/xx unknown
- 1979-10-18 NO NO793363A patent/NO793363L/no unknown
- 1979-10-18 AU AU51898/79A patent/AU528368B2/en not_active Withdrawn - After Issue
- 1979-10-24 PT PT70365A patent/PT70365A/pt unknown
- 1979-10-24 FI FI793317A patent/FI793317A7/fi not_active Application Discontinuation
- 1979-10-24 EP EP79302316A patent/EP0010451A1/fr not_active Withdrawn
- 1979-10-24 BR BR7906873A patent/BR7906873A/pt unknown
- 1979-10-25 JP JP13709479A patent/JPS5562289A/ja active Pending
- 1979-10-25 ES ES485352A patent/ES485352A1/es not_active Expired

Also Published As

Publication number	Publication date
NO793363L (no)	1980-04-28
CA1132763A (fr)	1982-10-05
AU528368B2 (en)	1983-04-28
BR7906873A (pt)	1980-06-03
ZA795541B (en)	1980-10-29
FI793317A7 (fi)	1981-01-01
AU5189879A (en)	1980-05-01
PT70365A (en)	1979-11-01
EP0010451A1 (fr)	1980-04-30
ES485352A1 (es)	1980-07-01
NZ191815A (en)	1982-02-23

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