FI751733A7 - - Google Patents

Info

Publication number
FI751733A7
FI751733A7 FI751733A FI751733A FI751733A7 FI 751733 A7 FI751733 A7 FI 751733A7 FI 751733 A FI751733 A FI 751733A FI 751733 A FI751733 A FI 751733A FI 751733 A7 FI751733 A7 FI 751733A7
Authority
FI
Finland
Application number
FI751733A
Other languages
Finnish (fi)
Other versions
FI66031B (fi
Inventor
Thomas Joseph M Mcdonough
Original Assignee
Canadian Ind
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
Priority claimed from GB2584674A external-priority patent/GB1505076A/en
Application filed by Canadian Ind filed Critical Canadian Ind
Publication of FI751733A7 publication Critical patent/FI751733A7/fi
Application granted granted Critical
Publication of FI66031B publication Critical patent/FI66031B/fi

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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Reinforced Plastic Materials (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Secondary Cells (AREA)
  • Materials For Medical Uses (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
FI751733A 1974-06-11 1975-06-10 Foerstaerkning av mekanisk massa genom kemisk behandling FI66031B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2584674 1974-06-11
GB2584674A GB1505076A (en) 1974-06-11 1974-06-11 Strenghening of mechanical pulp by chemical treatment

Publications (2)

Publication Number Publication Date
FI751733A7 true FI751733A7 (en:Method) 1975-12-12
FI66031B FI66031B (fi) 1984-04-30

Family

ID=10234295

Family Applications (1)

Application Number Title Priority Date Filing Date
FI751733A FI66031B (fi) 1974-06-11 1975-06-10 Foerstaerkning av mekanisk massa genom kemisk behandling

Country Status (7)

Country Link
JP (1) JPS517201A (en:Method)
BR (1) BR7503681A (en:Method)
CA (1) CA1056558A (en:Method)
ES (1) ES438434A1 (en:Method)
FI (1) FI66031B (en:Method)
NO (1) NO145141C (en:Method)
SE (1) SE7506647L (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127982A (en) * 1976-04-17 1977-10-27 Eidai Co Ltd Process for manufacturing special particleboard
SE9000340L (sv) * 1990-01-31 1991-08-01 Eka Nobel Ab Foerfarande vid blekning av lignocellulosahaltigt material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4887101A (en:Method) * 1972-02-22 1973-11-16

Also Published As

Publication number Publication date
BR7503681A (pt) 1976-06-29
ES438434A1 (es) 1977-02-01
SE7506647L (sv) 1975-12-12
NO145141C (no) 1982-01-20
JPS517201A (en:Method) 1976-01-21
NO145141B (no) 1981-10-12
FI66031B (fi) 1984-04-30
NO752026L (en:Method) 1975-12-12
CA1056558A (en) 1979-06-19

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Legal Events

Date Code Title Description
FC Application refused

Owner name: CANADIAN INDUSTRIES LIMITED