FR865302A - Perfectionnement à la fabrication des papiers, plus particulièrement pour la filtration - Google Patents

Perfectionnement à la fabrication des papiers, plus particulièrement pour la filtration

Info

Publication number
FR865302A
FR865302A FR865302DA FR865302A FR 865302 A FR865302 A FR 865302A FR 865302D A FR865302D A FR 865302DA FR 865302 A FR865302 A FR 865302A
Authority
FR
France
Prior art keywords
papers
filtration
improvement
manufacture
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)
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.)
Bernard Dumas SAS
Original Assignee
Bernard Dumas SAS
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 Bernard Dumas SAS filed Critical Bernard Dumas SAS
Application granted granted Critical
Publication of FR865302A publication Critical patent/FR865302A/fr
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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • 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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/38—Inorganic fibres or flakes siliceous
    • D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
    • 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
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/18—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of inorganic fibres with or without cellulose fibres

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
FR865302D 1940-04-30 1940-04-30 Perfectionnement à la fabrication des papiers, plus particulièrement pour la filtration Expired FR865302A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR865302T 1940-04-30

Publications (1)

Publication Number Publication Date
FR865302A true FR865302A (fr) 1941-05-20

Family

ID=9344296

Family Applications (1)

Application Number Title Priority Date Filing Date
FR865302D Expired FR865302A (fr) 1940-04-30 1940-04-30 Perfectionnement à la fabrication des papiers, plus particulièrement pour la filtration

Country Status (1)

Country Link
FR (1) FR865302A (fr)

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