JPS517201A - - Google Patents

Info

Publication number
JPS517201A
JPS517201A JP50069789A JP6978975A JPS517201A JP S517201 A JPS517201 A JP S517201A JP 50069789 A JP50069789 A JP 50069789A JP 6978975 A JP6978975 A JP 6978975A JP S517201 A JPS517201 A JP S517201A
Authority
JP
Japan
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.)
Pending
Application number
JP50069789A
Other languages
Japanese (ja)
Inventor
Josefu Mitsucheru Maku Toomasu
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries Ltd
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 Industries Ltd filed Critical Canadian Industries Ltd
Publication of JPS517201A publication Critical patent/JPS517201A/ja
Pending 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
    • 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)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Reinforced Plastic Materials (AREA)
  • Secondary Cells (AREA)
  • Materials For Medical Uses (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
JP50069789A 1974-06-11 1975-06-11 Pending JPS517201A (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPS517201A true JPS517201A (sv) 1976-01-21

Family

ID=10234295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50069789A Pending JPS517201A (sv) 1974-06-11 1975-06-11

Country Status (7)

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

Cited By (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
JPH0672385B2 (ja) * 1990-01-31 1994-09-14 エカ ノーベル アクチェボラーグ リグノセルロース材料の漂白方法

Citations (1)

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

Patent Citations (1)

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

Cited By (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
JPH0672385B2 (ja) * 1990-01-31 1994-09-14 エカ ノーベル アクチェボラーグ リグノセルロース材料の漂白方法

Also Published As

Publication number Publication date
FI66031B (fi) 1984-04-30
ES438434A1 (es) 1977-02-01
NO752026L (sv) 1975-12-12
SE7506647L (sv) 1975-12-12
FI751733A (sv) 1975-12-12
BR7503681A (pt) 1976-06-29
NO145141C (no) 1982-01-20
CA1056558A (en) 1979-06-19
NO145141B (no) 1981-10-12

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