SE358425B - - Google Patents

Info

Publication number
SE358425B
SE358425B SE203569A SE203569A SE358425B SE 358425 B SE358425 B SE 358425B SE 203569 A SE203569 A SE 203569A SE 203569 A SE203569 A SE 203569A SE 358425 B SE358425 B SE 358425B
Authority
SE
Sweden
Application number
SE203569A
Inventor
O Ingruber
G Allard
Original Assignee
Int Paper Canada
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 Int Paper Canada filed Critical Int Paper Canada
Publication of SE358425B publication Critical patent/SE358425B/xx

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
    • D21C3/04—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
SE203569A 1968-02-16 1969-02-14 SE358425B (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70615468A 1968-02-16 1968-02-16

Publications (1)

Publication Number Publication Date
SE358425B true SE358425B (xx) 1973-07-30

Family

ID=24836428

Family Applications (1)

Application Number Title Priority Date Filing Date
SE203569A SE358425B (xx) 1968-02-16 1969-02-14

Country Status (3)

Country Link
DE (1) DE1815383C3 (xx)
FI (1) FI53331C (xx)
SE (1) SE358425B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003002813A2 (de) * 2001-06-29 2003-01-09 Voith Paper Fiber Systems Gmbh & Co. Kg Verfahren zum delignifizieren lignocellulosischer rohstoffe
DE10323376A1 (de) * 2003-05-21 2004-12-16 Voith Paper Fiber Systems Gmbh & Co. Kg Verfahren zum Delignifizieren

Also Published As

Publication number Publication date
DE1815383B2 (de) 1977-10-20
FI53331B (xx) 1977-12-30
DE1815383A1 (de) 1969-10-16
DE1815383C3 (de) 1978-06-15
FI53331C (fi) 1978-04-10

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