FR499415A - Perfectionnements relatifs au traitement de la pate à papier - Google Patents

Perfectionnements relatifs au traitement de la pate à papier

Info

Publication number
FR499415A
FR499415A FR499415DA FR499415A FR 499415 A FR499415 A FR 499415A FR 499415D A FR499415D A FR 499415DA FR 499415 A FR499415 A FR 499415A
Authority
FR
France
Prior art keywords
pulp
treatment
improvements relating
relating
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
English (en)
Inventor
Judson Albert De Cew
Robert Joseph Marx
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR499415A publication Critical patent/FR499415A/fr
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/64—Alkaline compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
FR499415D 1919-05-12 1919-05-12 Perfectionnements relatifs au traitement de la pate à papier Expired FR499415A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR499415T 1919-05-12

Publications (1)

Publication Number Publication Date
FR499415A true FR499415A (fr) 1920-02-11

Family

ID=1534463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR499415D Expired FR499415A (fr) 1919-05-12 1919-05-12 Perfectionnements relatifs au traitement de la pate à papier

Country Status (1)

Country Link
FR (1) FR499415A (fr)

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