NO792184L - 1,2,3,4,4a,9a-heksahydro-9,10-antracendion, dets fremstilling og dets anvendelse paa delignifisering av lignocelluloseholdige materialer - Google Patents

1,2,3,4,4a,9a-heksahydro-9,10-antracendion, dets fremstilling og dets anvendelse paa delignifisering av lignocelluloseholdige materialer

Info

Publication number: NO792184L
Authority: NO; Norway
Prior art keywords: delignification; preparation; lignocellulose; antracendion; application
Prior art date: 1978-06-29

Application number

NO792184A

Other languages

English (en)

Other versions

NO151616C (no

NO151616B (no

Inventor

Lucien Bourson

Serge Delavarenne

Pierre Tellier

Original Assignee

Ugine Kuhlmann

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.)

1978-06-29

Filing date

1979-06-28

Publication date

1980-01-03

1979-06-28 Application filed by Ugine Kuhlmann filed Critical Ugine Kuhlmann

1980-01-03 Publication of NO792184L publication Critical patent/NO792184L/no

1985-01-28 Publication of NO151616B publication Critical patent/NO151616B/no

1985-05-08 Publication of NO151616C publication Critical patent/NO151616C/no

Links

239000000463 material Substances 0.000 title abstract 2
LIQZKTKLUVWABH-UHFFFAOYSA-N 1,2,3,4,4a,9a-hexahydroanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2C1CCCC2 LIQZKTKLUVWABH-UHFFFAOYSA-N 0.000 abstract 1
150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
239000002655 kraft paper Substances 0.000 abstract 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

Landscapes

Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Paper (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)
Luminescent Compositions (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Photoreceptors In Electrophotography (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Compounds Of Unknown Constitution (AREA)
Dental Preparations (AREA)

NO792184A 1978-06-29 1979-06-28 Fremgangsmaate for fremstilling av 1,2,3,4,4a,9a-heksahydro-9,10-antracendion NO151616C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7819466A FR2435457A1 (fr)	1978-06-29	1978-06-29	Hexahydro-1,2,3,4,4a, 9a anthracene-dione-9,10, sa preparation et son application a la delignification des materiaux lignocellulosiques

Publications (3)

Publication Number	Publication Date
NO792184L true NO792184L (no)	1980-01-03
NO151616B NO151616B (no)	1985-01-28
NO151616C NO151616C (no)	1985-05-08

Family

ID=9210133

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO792184A NO151616C (no)	1978-06-29	1979-06-28	Fremgangsmaate for fremstilling av 1,2,3,4,4a,9a-heksahydro-9,10-antracendion

Country Status (14)

Country	Link
US (1)	US4235666A (no)
EP (1)	EP0006790B1 (no)
JP (1)	JPS559082A (no)
AT (1)	ATE179T1 (no)
AU (1)	AU527739B2 (no)
BR (1)	BR7904062A (no)
CA (1)	CA1117940A (no)
DE (1)	DE2960731D1 (no)
ES (1)	ES482028A1 (no)
FI (1)	FI66832C (no)
FR (1)	FR2435457A1 (no)
NO (1)	NO151616C (no)
NZ (1)	NZ190792A (no)
SU (2)	SU965349A3 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2374780C (en) *	1999-06-15	2008-09-16	Kawasaki Kasei Chemicals Ltd.	Cooking method for pulp
FI128736B (en) *	2018-03-09	2020-11-13	Valmet Automation Oy	Method and measuring device for measuring the suspension

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1821035A (en) *	1927-08-18	1931-09-01	Gen Aniline Works Inc	Compounds of the anthracene series and process of preparing them
US1890040A (en) *	1928-05-07	1932-12-06	Gen Aniline Works Inc	Production of anthraquinone and derivatives thereof
DE504646C (de) *	1928-09-13	1930-09-09	I G Farbenindustrie Akt Ges	Verfahren zur Darstellung von Anthrachinon und seinen Abkoemmlingen
GB1135979A (en) *	1965-06-11	1968-12-11	Ici Ltd	Hydrogenation process
CA1073161A (en) *	1975-09-05	1980-03-11	Canadian Industries Limited	Delignification process
FR2373337A1 (fr) *	1976-12-07	1978-07-07	Hotchkiss Brandt Sogeme	Dispositif automatique de tri d'objets, procede de mise en oeuvre de celui-ci et equipement comportant un tel dispositif
JPS5374101A (en) *	1976-12-10	1978-07-01	Honshu Paper Co Ltd	Pulp making method
US4036681A (en) *	1976-12-14	1977-07-19	Canadian Industries, Ltd.	Delignification of lignocellulosic material with an alkaline pulping liquor containing a Diels Alder adduct of benzoquinone or naphthoquinone

1978
- 1978-06-29 FR FR7819466A patent/FR2435457A1/fr active Granted
1979
- 1979-06-12 EP EP79400378A patent/EP0006790B1/fr not_active Expired
- 1979-06-12 AT AT79400378T patent/ATE179T1/de active
- 1979-06-12 DE DE7979400378T patent/DE2960731D1/de not_active Expired
- 1979-06-22 NZ NZ190792A patent/NZ190792A/xx unknown
- 1979-06-26 CA CA000330746A patent/CA1117940A/fr not_active Expired
- 1979-06-27 US US06/052,658 patent/US4235666A/en not_active Expired - Lifetime
- 1979-06-27 BR BR7904062A patent/BR7904062A/pt unknown
- 1979-06-28 SU SU792782701A patent/SU965349A3/ru active
- 1979-06-28 NO NO792184A patent/NO151616C/no unknown
- 1979-06-28 JP JP8198979A patent/JPS559082A/ja active Granted
- 1979-06-28 AU AU48473/79A patent/AU527739B2/en not_active Ceased
- 1979-06-28 FI FI792039A patent/FI66832C/fi not_active IP Right Cessation
- 1979-06-28 ES ES482028A patent/ES482028A1/es not_active Expired
1980
- 1980-03-10 SU SU802893554A patent/SU924034A1/ru active

Also Published As

Publication number	Publication date
ATE179T1 (de)	1981-09-15
BR7904062A (pt)	1980-03-11
FR2435457A1 (fr)	1980-04-04
AU4847379A (en)	1980-01-03
FR2435457B1 (no)	1981-01-30
FI792039A7 (fi)	1979-12-30
NO151616C (no)	1985-05-08
EP0006790A1 (fr)	1980-01-09
FI66832C (fi)	1984-12-10
EP0006790B1 (fr)	1981-09-02
JPS622569B2 (no)	1987-01-20
AU527739B2 (en)	1983-03-17
SU965349A3 (ru)	1982-10-07
NZ190792A (en)	1981-10-19
SU924034A1 (ru)	1982-04-30
FI66832B (fi)	1984-08-31
ES482028A1 (es)	1980-07-01
US4235666A (en)	1980-11-25
NO151616B (no)	1985-01-28
CA1117940A (fr)	1982-02-09
JPS559082A (en)	1980-01-22
DE2960731D1 (en)	1981-11-26

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