FR735847A - A process for making waterproof and water-resistant paper and cardboard by adding water-repellent and impregnating materials to the fibrous materials placed in the roller mill or in the mixing vessel - Google Patents

A process for making waterproof and water-resistant paper and cardboard by adding water-repellent and impregnating materials to the fibrous materials placed in the roller mill or in the mixing vessel

Info

Publication number
FR735847A
FR735847A FR735847DA FR735847A FR 735847 A FR735847 A FR 735847A FR 735847D A FR735847D A FR 735847DA FR 735847 A FR735847 A FR 735847A
Authority
FR
France
Prior art keywords
water
repellent
cardboard
mixing vessel
roller mill
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.)
BITUMEN INVEST Inc
Original Assignee
BITUMEN INVEST Inc
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 BITUMEN INVEST Inc filed Critical BITUMEN INVEST Inc
Application granted granted Critical
Publication of FR735847A publication Critical patent/FR735847A/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
    • D21H17/61—Bitumen
    • 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
    • D21H17/60—Waxes
    • 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
FR735847D 1932-04-22 1932-04-22 A process for making waterproof and water-resistant paper and cardboard by adding water-repellent and impregnating materials to the fibrous materials placed in the roller mill or in the mixing vessel Expired FR735847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR735847T 1932-04-22

Publications (1)

Publication Number Publication Date
FR735847A true FR735847A (en) 1932-11-16

Family

ID=9130773

Family Applications (1)

Application Number Title Priority Date Filing Date
FR735847D Expired FR735847A (en) 1932-04-22 1932-04-22 A process for making waterproof and water-resistant paper and cardboard by adding water-repellent and impregnating materials to the fibrous materials placed in the roller mill or in the mixing vessel

Country Status (2)

Country Link
BE (1) BE388039A (en)
FR (1) FR735847A (en)

Also Published As

Publication number Publication date
BE388039A (en)

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