DE2960241D1 - Dispersion to be used in the production of cellulose and process for producing cellulose using this dispersion - Google Patents

Dispersion to be used in the production of cellulose and process for producing cellulose using this dispersion

Info

Publication number: DE2960241D1
Authority: DE; Germany
Prior art keywords: dispersion; cellulose; production; producing; producing cellulose
Prior art date: 1978-04-15
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.): Expired

Application number

DE7979101084T

Other languages

German (de)

Inventor

Peter Dr Schnegg

Heinz Ulrich Dr Blank

Gunther Dr Klag

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.)

Bayer AG

Original Assignee

Bayer AG

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.)

1978-04-15

Filing date

1979-04-09

Publication date

1981-04-30

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6037102&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE2960241(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1979-04-09 Application filed by Bayer AG filed Critical Bayer AG

1979-04-09 Priority to DE7979101084T priority Critical patent/DE2960241D1/en

1981-04-30 Application granted granted Critical

1981-04-30 Publication of DE2960241D1 publication Critical patent/DE2960241D1/en

Status Expired legal-status Critical Current

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

DE7979101084T 1978-04-15 1979-04-09 Dispersion to be used in the production of cellulose and process for producing cellulose using this dispersion Expired DE2960241D1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
DE7979101084T DE2960241D1 (en)	1978-04-15	1979-04-09	Dispersion to be used in the production of cellulose and process for producing cellulose using this dispersion

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19782816473 DE2816473A1 (en)	1978-04-15	1978-04-15	DISPERSION FOR USE IN CELL PROCESSING
DE7979101084T DE2960241D1 (en)	1978-04-15	1979-04-09	Dispersion to be used in the production of cellulose and process for producing cellulose using this dispersion

Publications (1)

Publication Number	Publication Date
DE2960241D1 true DE2960241D1 (en)	1981-04-30

Family

ID=6037102

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE19782816473 Withdrawn DE2816473A1 (en)	1978-04-15	1978-04-15	DISPERSION FOR USE IN CELL PROCESSING
DE7979101084T Expired DE2960241D1 (en)	1978-04-15	1979-04-09	Dispersion to be used in the production of cellulose and process for producing cellulose using this dispersion

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
DE19782816473 Withdrawn DE2816473A1 (en)	1978-04-15	1978-04-15	DISPERSION FOR USE IN CELL PROCESSING

Country Status (17)

Country	Link
EP (1)	EP0004928B1 (en)
JP (1)	JPS54138603A (en)
AR (1)	AR220189A1 (en)
AT (1)	AT372716B (en)
AU (1)	AU4607679A (en)
BR (1)	BR7902259A (en)
CA (1)	CA1136808A (en)
DE (2)	DE2816473A1 (en)
ES (1)	ES479476A1 (en)
FI (1)	FI64668C (en)
IN (1)	IN150690B (en)
NO (1)	NO791151L (en)
NZ (1)	NZ190182A (en)
PH (1)	PH14724A (en)
PT (1)	PT69477A (en)
TR (1)	TR20509A (en)
ZA (1)	ZA791770B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2827111A1 (en) *	1978-06-21	1980-01-10	Bayer Ag	AGENTS FOR USE IN CELL PROCESSING
NZ204262A (en) *	1982-06-02	1986-10-08	Champion Int Corp	Kraft and alkaline pulping processes using synergistic composition to enhance pulp yield
JPS6197492A (en) *	1984-10-18	1986-05-15	川崎化成工業株式会社	High concentrated pulp digestion aid aqueous solution
WO1995029288A1 (en) *	1994-04-26	1995-11-02	Harima Chemicals, Inc.	Pulp digestion aid

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2049567A (en) *	1934-06-05	1936-08-04	Du Pont	Manufacture of paper pulp
US3147179A (en) *	1959-06-26	1964-09-01	St Joe Paper Company	Pulping processes
US3446700A (en) *	1966-03-07	1969-05-27	Diamond Shamrock Corp	Process for cooking woodchips with a liquor containing condensation product of vicinal epoxide and phenol
DE2407620C3 (en) *	1974-02-16	1979-05-03	Chemische Werke Huels Ag, 4370 Marl	Process for the preparation of stable aqueous dispersions
SE384883B (en) *	1974-09-06	1976-05-24	Kopparfors Ab	WAY TO INCREASE THE CELLULOSE YIELD WHEN SULPHITE BOILING OF WOOD

1978
- 1978-04-15 DE DE19782816473 patent/DE2816473A1/en not_active Withdrawn
1979
- 1979-03-16 IN IN177/DEL/79A patent/IN150690B/en unknown
- 1979-04-05 PH PH22355A patent/PH14724A/en unknown
- 1979-04-05 NO NO791151A patent/NO791151L/en unknown
- 1979-04-09 DE DE7979101084T patent/DE2960241D1/en not_active Expired
- 1979-04-09 EP EP79101084A patent/EP0004928B1/en not_active Expired
- 1979-04-10 ES ES479476A patent/ES479476A1/en not_active Expired
- 1979-04-11 PT PT69477A patent/PT69477A/en unknown
- 1979-04-11 AR AR276157A patent/AR220189A1/en active
- 1979-04-11 BR BR7902259A patent/BR7902259A/en unknown
- 1979-04-12 ZA ZA791770A patent/ZA791770B/en unknown
- 1979-04-12 CA CA000325807A patent/CA1136808A/en not_active Expired
- 1979-04-12 NZ NZ190182A patent/NZ190182A/en unknown
- 1979-04-12 FI FI791211A patent/FI64668C/en not_active IP Right Cessation
- 1979-04-13 JP JP4446379A patent/JPS54138603A/en active Pending
- 1979-04-13 AT AT0280179A patent/AT372716B/en not_active IP Right Cessation
- 1979-04-13 TR TR20509A patent/TR20509A/en unknown
- 1979-04-17 AU AU46076/79A patent/AU4607679A/en not_active Abandoned

Also Published As

Publication number	Publication date
EP0004928B1 (en)	1981-04-08
CA1136808A (en)	1982-12-07
NZ190182A (en)	1981-07-13
IN150690B (en)	1982-11-20
JPS54138603A (en)	1979-10-27
NO791151L (en)	1979-10-16
ZA791770B (en)	1980-05-28
ES479476A1 (en)	1979-07-16
PT69477A (en)	1979-05-01
BR7902259A (en)	1979-12-11
TR20509A (en)	1981-09-03
AU4607679A (en)	1979-10-25
AR220189A1 (en)	1980-10-15
PH14724A (en)	1981-11-13
DE2816473A1 (en)	1979-10-25
ATA280179A (en)	1983-03-15
AT372716B (en)	1983-11-10
EP0004928A1 (en)	1979-10-31
FI64668C (en)	1983-12-12
FI791211A (en)	1979-10-16
FI64668B (en)	1983-08-31

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Legal Events

Date	Code	Title	Description
1985-04-11	8339	Ceased/non-payment of the annual fee