ATE2019T1 - Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff. - Google Patents

Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff.

Info

Publication number
ATE2019T1
ATE2019T1 AT79104899T AT79104899T ATE2019T1 AT E2019 T1 ATE2019 T1 AT E2019T1 AT 79104899 T AT79104899 T AT 79104899T AT 79104899 T AT79104899 T AT 79104899T AT E2019 T1 ATE2019 T1 AT E2019T1
Authority
AT
Austria
Prior art keywords
pulp
deodorization
sulfate pulp
color improvement
peroxide
Prior art date
Application number
AT79104899T
Other languages
English (en)
Inventor
Horst Dr. Krueger
Wilhelm Dr. Berndt
Jakob Wink
Original Assignee
Degussa Aktiengesellschaft
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6063083&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE2019(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Degussa Aktiengesellschaft filed Critical Degussa Aktiengesellschaft
Application granted granted Critical
Publication of ATE2019T1 publication Critical patent/ATE2019T1/de

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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
AT79104899T 1979-02-16 1979-12-04 Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff. ATE2019T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2905936A DE2905936B1 (de) 1979-02-16 1979-02-16 Verfahren zum Aufhellen und Desodorieren von Sulfatzellstoff
EP79104899A EP0014753B1 (de) 1979-02-16 1979-12-04 Verfahren zur Farbverbesserung und Desodorierung von Sulfatzellstoff

Publications (1)

Publication Number Publication Date
ATE2019T1 true ATE2019T1 (de) 1982-12-15

Family

ID=6063083

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79104899T ATE2019T1 (de) 1979-02-16 1979-12-04 Verfahren zur farbverbesserung und desodorierung von sulfatzellstoff.

Country Status (6)

Country Link
EP (1) EP0014753B1 (de)
AT (1) ATE2019T1 (de)
CA (1) CA1129157A (de)
DE (2) DE2905936B1 (de)
FI (1) FI68684C (de)
NO (1) NO793959L (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0073872A1 (de) * 1981-09-03 1983-03-16 Billerud Uddeholm AB Chemisches Verfahren in der Papierherstellung
SE442414B (sv) * 1981-09-22 1985-12-23 Holmens Bruk Ab Sett att minska eller inhibera morkfergningen av massa eller papper i bakvattensystem
US4559103A (en) * 1982-08-05 1985-12-17 Honshu Seishi Kabushiki Kaisha Packaging paper and packaging material for packaging metallic material and method of producing the same
RU2504375C1 (ru) * 2012-05-23 2014-01-20 Галина Викторовна Сукоян Фармацевтический состав для лечения заболеваний, связанных с эндотелиальной дисфункцией

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1454339A (en) * 1921-11-28 1923-05-08 Brown Co Method of treating cellulose pulp to remove odors therefrom
US1632802A (en) * 1926-08-10 1927-06-21 Brown Co Process of and apparatus for treating fiber
US1774403A (en) * 1926-09-16 1930-08-26 Brown Co Process of producing fiber of high alpha cellulose content
US2030384A (en) * 1934-10-18 1936-02-11 Nekoosa Edwards Paper Co Method of bleaching pulp
BE450336A (de) * 1942-12-09 1943-05-31
FR2192981B1 (de) * 1972-07-21 1988-11-10 Air Liquide Fr
IT1071347B (it) * 1976-03-12 1985-04-02 Interox Sa Processo per la disinfezione di carta vecchia

Also Published As

Publication number Publication date
NO793959L (no) 1980-08-19
FI68684B (fi) 1985-06-28
EP0014753A1 (de) 1980-09-03
FI793720A7 (fi) 1980-08-17
FI68684C (fi) 1985-10-10
DE2964319D1 (en) 1983-01-20
EP0014753B1 (de) 1982-12-15
CA1129157A (en) 1982-08-10
DE2905936B1 (de) 1980-04-30

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee
RVE Rejection due to an opposition filed with the epo