FR1020753A - Process for waterproofing cardboard and paper - Google Patents

Process for waterproofing cardboard and paper

Info

Publication number
FR1020753A
FR1020753A FR1020753DA FR1020753A FR 1020753 A FR1020753 A FR 1020753A FR 1020753D A FR1020753D A FR 1020753DA FR 1020753 A FR1020753 A FR 1020753A
Authority
FR
France
Prior art keywords
waterproofing
cardboard
paper
waterproofing cardboard
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
Raoul-Andre Richard
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 filed Critical
Application granted granted Critical
Publication of FR1020753A publication Critical patent/FR1020753A/en
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
    • D21H17/66—Salts, e.g. alums

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
FR1020753D 1950-06-23 1950-06-23 Process for waterproofing cardboard and paper Expired FR1020753A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1020753T 1950-06-23

Publications (1)

Publication Number Publication Date
FR1020753A true FR1020753A (en) 1953-02-10

Family

ID=9576548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1020753D Expired FR1020753A (en) 1950-06-23 1950-06-23 Process for waterproofing cardboard and paper

Country Status (1)

Country Link
FR (1) FR1020753A (en)

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