NL6413774A - - Google Patents

Info

Publication number
NL6413774A
NL6413774A NL6413774A NL6413774A NL6413774A NL 6413774 A NL6413774 A NL 6413774A NL 6413774 A NL6413774 A NL 6413774A NL 6413774 A NL6413774 A NL 6413774A NL 6413774 A NL6413774 A NL 6413774A
Authority
NL
Netherlands
Application number
NL6413774A
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 to US345119A priority Critical patent/US3284283A/en
Priority to FR970768A priority patent/FR1389308A/en
Application filed filed Critical
Priority to NL6413774A priority patent/NL6413774A/xx
Publication of NL6413774A publication Critical patent/NL6413774A/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
    • 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
    • D21C9/1084—Bleaching ; Apparatus therefor with reducing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
NL6413774A 1964-02-17 1964-11-26 NL6413774A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US345119A US3284283A (en) 1964-02-17 1964-02-17 Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
FR970768A FR1389308A (en) 1964-02-17 1964-04-13 High gloss cellulose pastes
NL6413774A NL6413774A (en) 1964-11-26 1964-11-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6413774A NL6413774A (en) 1964-11-26 1964-11-26

Publications (1)

Publication Number Publication Date
NL6413774A true NL6413774A (en) 1966-05-27

Family

ID=19791519

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6413774A NL6413774A (en) 1964-02-17 1964-11-26

Country Status (1)

Country Link
NL (1) NL6413774A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562803A (en) * 1992-06-18 1996-10-08 Morton International, Inc. Sequential bleaching of de-inked paper pulp with sodium bisulfite, dithionite and borohydride

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562803A (en) * 1992-06-18 1996-10-08 Morton International, Inc. Sequential bleaching of de-inked paper pulp with sodium bisulfite, dithionite and borohydride

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