NL116882C - - Google Patents

Info

Publication number
NL116882C
NL116882C NL116882DA NL116882C NL 116882 C NL116882 C NL 116882C NL 116882D A NL116882D A NL 116882DA NL 116882 C NL116882 C NL 116882C
Authority
NL
Netherlands
Application number
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.)
Publication of NL116882C publication Critical patent/NL116882C/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
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
    • D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
NL116882D 1943-11-24 NL116882C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR986615T 1943-11-24

Publications (1)

Publication Number Publication Date
NL116882C true NL116882C (enrdf_load_stackoverflow)

Family

ID=9538217

Family Applications (1)

Application Number Title Priority Date Filing Date
NL116882D NL116882C (enrdf_load_stackoverflow) 1943-11-24

Country Status (2)

Country Link
FR (2) FR986615A (enrdf_load_stackoverflow)
NL (1) NL116882C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999783A (en) * 1957-10-05 1961-09-12 Hodogaya Chemical Co Ltd Process for simultaneous production of high alpha-pulp with furfural from latifoliate tree materials

Also Published As

Publication number Publication date
FR986615A (fr) 1951-08-02
FR56443E (enrdf_load_stackoverflow) 1952-10-07

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