DE2833568C2 - - Google Patents

Info

Publication number
DE2833568C2
DE2833568C2 DE2833568A DE2833568A DE2833568C2 DE 2833568 C2 DE2833568 C2 DE 2833568C2 DE 2833568 A DE2833568 A DE 2833568A DE 2833568 A DE2833568 A DE 2833568A DE 2833568 C2 DE2833568 C2 DE 2833568C2
Authority
DE
Germany
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
DE2833568A
Other languages
German (de)
Other versions
DE2833568A1 (de
Inventor
Klaus Dipl.-Chem. Dr. 8751 Obernau De Gerlach
Erich 6128 Hoechst De Kessler
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.)
Akzo Patente 5600 Wuppertal De GmbH
Original Assignee
Akzo GmbH
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 Akzo GmbH filed Critical Akzo GmbH
Priority to DE19782833568 priority Critical patent/DE2833568A1/de
Priority to CH662879A priority patent/CH637795B/de
Priority to IT49806/79A priority patent/IT1118170B/it
Priority to AT0506279A priority patent/AT372411B/de
Priority to BE0/196482A priority patent/BE877930A/xx
Priority to BR7904887A priority patent/BR7904887A/pt
Priority to CA000332832A priority patent/CA1140309A/en
Priority to ES482966A priority patent/ES482966A1/es
Priority to FR7919614A priority patent/FR2432564A1/fr
Priority to GB7926710A priority patent/GB2026935B/en
Priority to JP9690479A priority patent/JPS5522097A/ja
Publication of DE2833568A1 publication Critical patent/DE2833568A1/de
Priority to US06/456,758 priority patent/US4564488A/en
Priority to US06/785,324 priority patent/US4744906A/en
Application granted granted Critical
Publication of DE2833568C2 publication Critical patent/DE2833568C2/de
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
    • B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
    • 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
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • 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
    • D01D5/247—Discontinuous hollow structure or microporous structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE19782833568 1978-07-31 1978-07-31 Faeden Granted DE2833568A1 (de)

Priority Applications (13)

Application Number Priority Date Filing Date Title
DE19782833568 DE2833568A1 (de) 1978-07-31 1978-07-31 Faeden
CH662879A CH637795B (de) 1978-07-31 1979-07-18 Verfahren zur herstellung poroeser faeden, die nach dem verfahren erhaltenen faeden sowie deren verwendung.
IT49806/79A IT1118170B (it) 1978-07-31 1979-07-19 Procedimento per la produzione di filati o filamenti porosi
AT0506279A AT372411B (de) 1978-07-31 1979-07-23 Poroese faeden, herstellungsverfahren und verwendung
BE0/196482A BE877930A (fr) 1978-07-31 1979-07-27 Fils poreux, leur procede de fabrication et leur utilisation et leur utilisation en tant que substance-support pourconstituants actifs
CA000332832A CA1140309A (en) 1978-07-31 1979-07-30 Filaments with porous surface
BR7904887A BR7904887A (pt) 1978-07-31 1979-07-30 Processo para obtencao de fios porosos e respectivos fios porosos de polimeros sinteticos
ES482966A ES482966A1 (es) 1978-07-31 1979-07-30 Procedimiento para la fabricacion de hilos porosos a base depolimeros sinteticos
FR7919614A FR2432564A1 (fr) 1978-07-31 1979-07-30 Fils poreux, leur procede de fabrication et leur utilisation en tant que substance-support pour constituants actifs
GB7926710A GB2026935B (en) 1978-07-31 1979-07-31 Porous threads
JP9690479A JPS5522097A (en) 1978-07-31 1979-07-31 Porous yarn comprising synthetic polymer * production thereof and support or insulation material made from said yarn
US06/456,758 US4564488A (en) 1978-07-31 1983-01-10 Methods for the preparation of porous fibers and membranes
US06/785,324 US4744906A (en) 1978-07-31 1985-10-04 Porous fibers and membranes and methods for their preparation and use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782833568 DE2833568A1 (de) 1978-07-31 1978-07-31 Faeden

Publications (2)

Publication Number Publication Date
DE2833568A1 DE2833568A1 (de) 1980-02-21
DE2833568C2 true DE2833568C2 (el) 1987-02-12

Family

ID=6045861

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782833568 Granted DE2833568A1 (de) 1978-07-31 1978-07-31 Faeden

Country Status (11)

Country Link
JP (1) JPS5522097A (el)
AT (1) AT372411B (el)
BE (1) BE877930A (el)
BR (1) BR7904887A (el)
CA (1) CA1140309A (el)
CH (1) CH637795B (el)
DE (1) DE2833568A1 (el)
ES (1) ES482966A1 (el)
FR (1) FR2432564A1 (el)
GB (1) GB2026935B (el)
IT (1) IT1118170B (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58159739A (ja) * 1982-03-19 1983-09-22 オリンパス光学工業株式会社 レ−ザ手術装置
JPS6052613A (ja) * 1983-08-30 1985-03-25 Toyobo Co Ltd 高強力、高弾性率ポリエチレン繊維
JP2543360B2 (ja) * 1987-04-06 1996-10-16 トヨタ自動車株式会社 多孔質ポリプロピレン繊維
JPH0636809Y2 (ja) * 1988-10-11 1994-09-28 株式会社モリタ製作所 歯科用レーザ切換装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274565A (el) * 1961-02-10
US3513110A (en) * 1965-07-26 1970-05-19 Celanese Corp Open-celled low density filamentary material
DE2550080B2 (de) * 1975-11-07 1978-03-09 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von Filamenten mit nicht durchgehenden Hohlräumen
DE2554124C3 (de) * 1975-12-02 1986-07-10 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von hydrophilen Fasern und Fäden aus Acrylnitrilpolymerisaten

Also Published As

Publication number Publication date
CH637795B (de)
GB2026935B (en) 1982-09-08
CH637795GA3 (el) 1983-08-31
IT1118170B (it) 1986-02-24
DE2833568A1 (de) 1980-02-21
FR2432564B1 (el) 1982-12-10
FR2432564A1 (fr) 1980-02-29
JPS5522097A (en) 1980-02-16
BE877930A (fr) 1979-11-16
ES482966A1 (es) 1980-05-16
GB2026935A (en) 1980-02-13
AT372411B (de) 1983-10-10
IT7949806A0 (it) 1979-07-19
CA1140309A (en) 1983-02-01
BR7904887A (pt) 1980-04-22
ATA506279A (de) 1983-02-15

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Legal Events

Date Code Title Description
OAM Search report available
OAP Request for examination filed
OC Search report available
OD Request for examination
8125 Change of the main classification

Ipc: D01F 1/08

8126 Change of the secondary classification

Ipc: D01D 5/24

D2 Grant after examination
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: AKZO PATENTE GMBH, 5600 WUPPERTAL, DE

8330 Complete renunciation