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EP0031059B1 - Dispersions of dinitroanthraquinones, process for their preparation and their utilization - Google Patents

Dispersions of dinitroanthraquinones, process for their preparation and their utilization Download PDF

Info

Publication number
EP0031059B1
EP0031059B1 EP80107600A EP80107600A EP0031059B1 EP 0031059 B1 EP0031059 B1 EP 0031059B1 EP 80107600 A EP80107600 A EP 80107600A EP 80107600 A EP80107600 A EP 80107600A EP 0031059 B1 EP0031059 B1 EP 0031059B1
Authority
EP
European Patent Office
Prior art keywords
dinitroanthraquinones
dispersions
preparation
water
utilization
Prior art date
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
EP80107600A
Other languages
German (de)
Other versions
EP0031059A1 (en
Inventor
Dieter Dr. Bauer
Volker Dr. Hassmann
Paul Dr. Schiller
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.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Priority to AT80107600T priority Critical patent/ATE2094T1/en
Publication of EP0031059A1 publication Critical patent/EP0031059A1/en
Application granted granted Critical
Publication of EP0031059B1 publication Critical patent/EP0031059B1/en
Expired 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
    • 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)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Colloid Chemistry (AREA)

Abstract

For the Contracting States : BE, DE, FR, GB, IT, SE 1. Dispersions of dinitroanthraquinones for use in processes for the production of pulp, characterized in that they contain the dinitroanthraquinones, in finely divided form, surface-active agents and water and/or liquid organic compounds with boiling points above 80 degrees C. For the Contracting State : AT 1. Process for the preparation of dispersions of dinitroanthraquinones for use in processes for the production of pulp, characterized in that dinitroanthraquinones, surface-active agents and water and/or liquid organic water-miscible compounds with boiling points above 80 degrees C are group with one another.
EP80107600A 1979-12-17 1980-12-04 Dispersions of dinitroanthraquinones, process for their preparation and their utilization Expired EP0031059B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT80107600T ATE2094T1 (en) 1979-12-17 1980-12-04 DISPERSIONS OF DINITROANTHRACHINONES, PROCESS FOR THEIR PREPARATION AND THEIR USE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19792950693 DE2950693A1 (en) 1979-12-17 1979-12-17 DISPERSIONS OF DINITROANTHRACHINONES, METHOD FOR THE PRODUCTION THEREOF AND THEIR USE
DE2950693 1979-12-17

Publications (2)

Publication Number Publication Date
EP0031059A1 EP0031059A1 (en) 1981-07-01
EP0031059B1 true EP0031059B1 (en) 1982-12-22

Family

ID=6088693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP80107600A Expired EP0031059B1 (en) 1979-12-17 1980-12-04 Dispersions of dinitroanthraquinones, process for their preparation and their utilization

Country Status (11)

Country Link
EP (1) EP0031059B1 (en)
JP (1) JPS5696981A (en)
AT (1) ATE2094T1 (en)
AU (1) AU6522280A (en)
BR (1) BR8008214A (en)
DE (2) DE2950693A1 (en)
ES (1) ES8200423A1 (en)
FI (1) FI803903L (en)
NO (1) NO803624L (en)
NZ (1) NZ195838A (en)
ZA (1) ZA807831B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1035522C (en) * 1989-02-01 1997-07-30 王建忠 Separating method of vegetable cellulose and non-cellulose
WO1995029288A1 (en) * 1994-04-26 1995-11-02 Harima Chemicals, Inc. Pulp digestion aid
DE10002331C2 (en) * 2000-01-20 2003-03-06 Infineon Technologies Ag Rotation angle measuring device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2524747A1 (en) * 1975-06-04 1976-12-16 Basf Ag METHOD OF ISOLATING DINITROANTHRAQUINONE WITH A HIGH CONTENT OF ALPHA, ALPHA'-DINITRO COMPOUNDS
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
EP0012412A1 (en) * 1978-12-16 1980-06-25 Bayer Ag Process and apparatus for the extraction of dry 1,5- and/or 1,8-dinitro anthraquinone from suspensions containing solid 1,5- and/or 1,8-dinitro anthraquinone and liquid nitrobenzene

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2524747A1 (en) * 1975-06-04 1976-12-16 Basf Ag METHOD OF ISOLATING DINITROANTHRAQUINONE WITH A HIGH CONTENT OF ALPHA, ALPHA'-DINITRO COMPOUNDS
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
EP0012412A1 (en) * 1978-12-16 1980-06-25 Bayer Ag Process and apparatus for the extraction of dry 1,5- and/or 1,8-dinitro anthraquinone from suspensions containing solid 1,5- and/or 1,8-dinitro anthraquinone and liquid nitrobenzene

Also Published As

Publication number Publication date
FI803903A7 (en) 1981-06-18
DE2950693A1 (en) 1981-06-25
NO803624L (en) 1981-06-18
NZ195838A (en) 1983-03-15
BR8008214A (en) 1981-07-07
JPS5696981A (en) 1981-08-05
DE3061447D1 (en) 1983-01-27
ATE2094T1 (en) 1983-01-15
ZA807831B (en) 1981-12-30
EP0031059A1 (en) 1981-07-01
ES497799A0 (en) 1981-11-01
ES8200423A1 (en) 1981-11-01
FI803903L (en) 1981-06-18
AU6522280A (en) 1981-06-25

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