DE3067672D1 - Polyvinylidene fluoride resin hollow filament microfilter and process for producing same - Google Patents

Polyvinylidene fluoride resin hollow filament microfilter and process for producing same

Info

Publication number
DE3067672D1
DE3067672D1 DE8080900913T DE3067672T DE3067672D1 DE 3067672 D1 DE3067672 D1 DE 3067672D1 DE 8080900913 T DE8080900913 T DE 8080900913T DE 3067672 T DE3067672 T DE 3067672T DE 3067672 D1 DE3067672 D1 DE 3067672D1
Authority
DE
Germany
Prior art keywords
microfilter
polyvinylidene fluoride
fluoride resin
producing same
resin hollow
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
DE8080900913T
Other languages
German (de)
English (en)
Inventor
Takashi Nohmi
Takao Yamada
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15088456&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3067672(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Application granted granted Critical
Publication of DE3067672D1 publication Critical patent/DE3067672D1/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/30—Polyalkenyl halides
    • B01D71/32—Polyalkenyl halides containing fluorine atoms
    • B01D71/34—Polyvinylidene fluoride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/147—Microfiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/18—Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • B01D69/082—Hollow fibre membranes characterised by the cross-sectional shape of the fibre
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE8080900913T 1979-10-15 1980-05-13 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same Expired DE3067672D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13273979A JPS5656202A (en) 1979-10-15 1979-10-15 Hollow porous membrane yarn made of polyvinylidene fluoride type resin
PCT/JP1980/000102 WO1981000969A1 (en) 1979-10-15 1980-05-13 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same

Publications (1)

Publication Number Publication Date
DE3067672D1 true DE3067672D1 (en) 1984-06-07

Family

ID=15088456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080900913T Expired DE3067672D1 (en) 1979-10-15 1980-05-13 Polyvinylidene fluoride resin hollow filament microfilter and process for producing same

Country Status (5)

Country Link
US (1) US4399035A (en:Method)
EP (1) EP0037836B2 (en:Method)
JP (1) JPS5656202A (en:Method)
DE (1) DE3067672D1 (en:Method)
WO (1) WO1981000969A1 (en:Method)

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Also Published As

Publication number Publication date
US4399035A (en) 1983-08-16
EP0037836B1 (en) 1984-05-02
EP0037836A4 (en) 1982-01-26
EP0037836B2 (en) 1988-08-10
EP0037836A1 (en) 1981-10-21
JPH0122003B2 (en:Method) 1989-04-25
JPS5656202A (en) 1981-05-18
WO1981000969A1 (en) 1981-04-16

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