FR1179152A - Papier filtrant - Google Patents

Papier filtrant

Info

Publication number
FR1179152A
FR1179152A FR1179152DA FR1179152A FR 1179152 A FR1179152 A FR 1179152A FR 1179152D A FR1179152D A FR 1179152DA FR 1179152 A FR1179152 A FR 1179152A
Authority
FR
France
Prior art keywords
filter paper
paper
filter
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
Armand-Jacques-Julie Poelman
Marc-Albert Germain
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 & Cie
R SCHNEIDER ETS
Original Assignee
Bernard Dumas & Cie
R SCHNEIDER ETS
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 & Cie, R SCHNEIDER ETS filed Critical Bernard Dumas & Cie
Application granted granted Critical
Publication of FR1179152A publication Critical patent/FR1179152A/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
    • 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
    • D21H13/42—Asbestos
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
    • 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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/08—Filter paper
    • 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
    • D21H5/183—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of inorganic fibres with or without cellulose fibres of asbestos fibres
FR1179152D 1957-07-19 1957-07-19 Papier filtrant Expired FR1179152A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR743659 1957-07-19

Publications (1)

Publication Number Publication Date
FR1179152A true FR1179152A (fr) 1959-05-21

Family

ID=8704627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1179152D Expired FR1179152A (fr) 1957-07-19 1957-07-19 Papier filtrant

Country Status (4)

Country Link
CH (1) CH377634A (fr)
FR (1) FR1179152A (fr)
GB (1) GB859023A (fr)
NL (1) NL108309C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6602625A (fr) * 1965-03-01 1966-09-02
CN116180494B (zh) * 2023-02-03 2024-02-20 杭州科百特过滤器材有限公司 一种深层过滤纸板及其制备方法

Also Published As

Publication number Publication date
DE1446619A1 (de) 1968-11-28
GB859023A (en) 1961-01-18
NL229718A (fr) 1963-12-16
CH377634A (fr) 1964-05-15
NL108309C (fr) 1964-05-15

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