FI46190B - - Google Patents

Info

Publication number
FI46190B
FI46190B FI302965A FI302965A FI46190B FI 46190 B FI46190 B FI 46190B FI 302965 A FI302965 A FI 302965A FI 302965 A FI302965 A FI 302965A FI 46190 B FI46190 B FI 46190B
Authority
FI
Finland
Application number
FI302965A
Other languages
Finnish (fi)
Inventor
O Lundqvist
P Olsson
F Gram
G Malm
Original Assignee
Svenska Cellulosa Ab
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 Svenska Cellulosa Ab filed Critical Svenska Cellulosa Ab
Application granted granted Critical
Publication of FI46190B publication Critical patent/FI46190B/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/06—Sulfite or bisulfite pulp
    • 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
FI302965A 1964-12-18 1965-12-17 FI46190B (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1537464A SE308061B (enrdf_load_stackoverflow) 1964-12-18 1964-12-18

Publications (1)

Publication Number Publication Date
FI46190B true FI46190B (enrdf_load_stackoverflow) 1972-10-02

Family

ID=20300560

Family Applications (1)

Application Number Title Priority Date Filing Date
FI302965A FI46190B (enrdf_load_stackoverflow) 1964-12-18 1965-12-17

Country Status (5)

Country Link
AT (1) AT277745B (enrdf_load_stackoverflow)
CH (2) CH456330A (enrdf_load_stackoverflow)
FI (1) FI46190B (enrdf_load_stackoverflow)
GB (1) GB1136219A (enrdf_load_stackoverflow)
SE (1) SE308061B (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007022750A1 (de) * 2007-05-11 2008-11-13 Voith Patent Gmbh Verfahren zum Zerfasern von chemisch behandeltem lignocellulosischem Rohstoff
WO2011113998A1 (en) * 2010-03-15 2011-09-22 Upm-Kymmene Corporation Method for improving the properties of a paper product and forming an additive component and the corresponding paper product and additive component and use of the additive component

Also Published As

Publication number Publication date
SE308061B (enrdf_load_stackoverflow) 1969-01-27
AT277745B (de) 1970-01-12
DE1517219A1 (de) 1969-12-18
GB1136219A (en) 1968-12-11
CH456330A (de) 1968-07-15
CH465383A (de) 1968-11-15

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