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FR800563A - Improvements in papermaking - Google Patents

Improvements in papermaking

Info

Publication number
FR800563A
FR800563A FR800563DA FR800563A FR 800563 A FR800563 A FR 800563A FR 800563D A FR800563D A FR 800563DA FR 800563 A FR800563 A FR 800563A
Authority
FR
France
Prior art keywords
papermaking
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)
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.)
CHAMPAGNE PAPER CORP
Original Assignee
CHAMPAGNE PAPER CORP
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 CHAMPAGNE PAPER CORP filed Critical CHAMPAGNE PAPER CORP
Application granted granted Critical
Publication of FR800563A publication Critical patent/FR800563A/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
FR800563D 1935-04-10 1936-01-13 Improvements in papermaking Expired FR800563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15620A US2018490A (en) 1935-04-10 1935-04-10 Method of producing paper pulp from fibrous material

Publications (1)

Publication Number Publication Date
FR800563A true FR800563A (en) 1936-07-08

Family

ID=21772490

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800563D Expired FR800563A (en) 1935-04-10 1936-01-13 Improvements in papermaking

Country Status (3)

Country Link
US (1) US2018490A (en)
FR (1) FR800563A (en)
GB (1) GB460812A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706159A (en) * 1951-03-09 1955-04-12 American Enka Corp Manufacture of artificial sponges
US2823121A (en) * 1952-05-27 1958-02-11 Rayonier Inc Wood pulp preparation
US2924547A (en) * 1954-11-08 1960-02-09 Hawaiian Dev Company Ltd Rapid neutral sulfite process for pulping bagasse and other non-woody plant lignocellulose

Also Published As

Publication number Publication date
US2018490A (en) 1935-10-22
GB460812A (en) 1937-02-04

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