GB859023A - Improvements in filter papers - Google Patents

Improvements in filter papers

Info

Publication number
GB859023A
GB859023A GB2166658A GB2166658A GB859023A GB 859023 A GB859023 A GB 859023A GB 2166658 A GB2166658 A GB 2166658A GB 2166658 A GB2166658 A GB 2166658A GB 859023 A GB859023 A GB 859023A
Authority
GB
United Kingdom
Prior art keywords
fibres
strength
july
microns
fine
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
GB2166658A
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.)
ARMAND JACQUES JULIEN POELMAN
R SCHNEIDER ETS
Bernard Dumas SAS
Original Assignee
ARMAND JACQUES JULIEN POELMAN
R SCHNEIDER ETS
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 ARMAND JACQUES JULIEN POELMAN, R SCHNEIDER ETS, Bernard Dumas SAS filed Critical ARMAND JACQUES JULIEN POELMAN
Publication of GB859023A publication Critical patent/GB859023A/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Filtering Materials (AREA)
GB2166658A 1957-07-19 1958-07-07 Improvements in filter papers Expired GB859023A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB859023A true GB859023A (en) 1961-01-18

Family

ID=8704627

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2166658A Expired GB859023A (en) 1957-07-19 1958-07-07 Improvements in filter papers

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458393A (en) * 1965-03-01 1969-07-29 Fmc Corp Modified colloidal chrysotile and method of preparing same
CN116180494A (zh) * 2023-02-03 2023-05-30 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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458393A (en) * 1965-03-01 1969-07-29 Fmc Corp Modified colloidal chrysotile and method of preparing same
CN116180494A (zh) * 2023-02-03 2023-05-30 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
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
NL229718A (enExample) 1963-12-16
FR1179152A (fr) 1959-05-21
DE1446619A1 (de) 1968-11-28
CH377634A (fr) 1964-05-15
NL108309C (enExample) 1964-05-15

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