FR642176A - Process for preparing pure cellulose - Google Patents

Process for preparing pure cellulose

Info

Publication number
FR642176A
FR642176A FR642176DA FR642176A FR 642176 A FR642176 A FR 642176A FR 642176D A FR642176D A FR 642176DA FR 642176 A FR642176 A FR 642176A
Authority
FR
France
Prior art keywords
pure cellulose
preparing pure
preparing
cellulose
pure
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Richard Weingand
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.)
Wolf & Co
Original Assignee
Wolf & Co
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 Wolf & Co filed Critical Wolf & Co
Application granted granted Critical
Publication of FR642176A publication Critical patent/FR642176A/en
Expired 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
    • D21C9/08—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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
FR642176D 1927-04-19 1927-10-11 Process for preparing pure cellulose Expired FR642176A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE642176X 1927-04-19

Publications (1)

Publication Number Publication Date
FR642176A true FR642176A (en) 1928-08-22

Family

ID=6580206

Family Applications (1)

Application Number Title Priority Date Filing Date
FR642176D Expired FR642176A (en) 1927-04-19 1927-10-11 Process for preparing pure cellulose

Country Status (2)

Country Link
FR (1) FR642176A (en)
NL (1) NL21150C (en)

Also Published As

Publication number Publication date
NL21150C (en)

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