CH637795GA3 - - Google Patents
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- Publication number
- CH637795GA3 CH637795GA3 CH662879A CH662879A CH637795GA3 CH 637795G A3 CH637795G A3 CH 637795GA3 CH 662879 A CH662879 A CH 662879A CH 662879 A CH662879 A CH 662879A CH 637795G A3 CH637795G A3 CH 637795GA3
- Authority
- CH
- Switzerland
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782833568 DE2833568A1 (en) | 1978-07-31 | 1978-07-31 | FEDING |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH637795B CH637795B (en) | |
| CH637795GA3 true CH637795GA3 (en) | 1983-08-31 |
Family
ID=6045861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH662879A CH637795B (en) | 1978-07-31 | 1979-07-18 | PROCESS FOR MANUFACTURING POROESE FAEDS, THE FAEDS OBTAINED BY THE PROCESS AND THEIR USE. |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5522097A (en) |
| AT (1) | AT372411B (en) |
| BE (1) | BE877930A (en) |
| BR (1) | BR7904887A (en) |
| CA (1) | CA1140309A (en) |
| CH (1) | CH637795B (en) |
| DE (1) | DE2833568A1 (en) |
| ES (1) | ES482966A1 (en) |
| FR (1) | FR2432564A1 (en) |
| GB (1) | GB2026935B (en) |
| IT (1) | IT1118170B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58159739A (en) * | 1982-03-19 | 1983-09-22 | オリンパス光学工業株式会社 | Laser operation apparatus |
| JPS6052613A (en) * | 1983-08-30 | 1985-03-25 | Toyobo Co Ltd | High-tensile and high-modulus polyethylene fiber |
| JP2543360B2 (en) * | 1987-04-06 | 1996-10-16 | トヨタ自動車株式会社 | Porous polypropylene fiber |
| JPH0636809Y2 (en) * | 1988-10-11 | 1994-09-28 | 株式会社モリタ製作所 | Dental laser switching device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL274565A (en) * | 1961-02-10 | |||
| US3513110A (en) * | 1965-07-26 | 1970-05-19 | Celanese Corp | Open-celled low density filamentary material |
| DE2550080B2 (en) * | 1975-11-07 | 1978-03-09 | Akzo Gmbh, 5600 Wuppertal | Process for the production of filaments with discontinuous voids |
| DE2554124C3 (en) * | 1975-12-02 | 1986-07-10 | Bayer Ag, 5090 Leverkusen | Process for the production of hydrophilic fibers and threads from acrylonitrile polymers |
-
1978
- 1978-07-31 DE DE19782833568 patent/DE2833568A1/en active Granted
-
1979
- 1979-07-18 CH CH662879A patent/CH637795B/en unknown
- 1979-07-19 IT IT49806/79A patent/IT1118170B/en active
- 1979-07-23 AT AT0506279A patent/AT372411B/en not_active IP Right Cessation
- 1979-07-27 BE BE0/196482A patent/BE877930A/en not_active IP Right Cessation
- 1979-07-30 FR FR7919614A patent/FR2432564A1/en active Granted
- 1979-07-30 BR BR7904887A patent/BR7904887A/en unknown
- 1979-07-30 ES ES482966A patent/ES482966A1/en not_active Expired
- 1979-07-30 CA CA000332832A patent/CA1140309A/en not_active Expired
- 1979-07-31 GB GB7926710A patent/GB2026935B/en not_active Expired
- 1979-07-31 JP JP9690479A patent/JPS5522097A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2833568A1 (en) | 1980-02-21 |
| GB2026935A (en) | 1980-02-13 |
| BR7904887A (en) | 1980-04-22 |
| IT1118170B (en) | 1986-02-24 |
| ATA506279A (en) | 1983-02-15 |
| CA1140309A (en) | 1983-02-01 |
| AT372411B (en) | 1983-10-10 |
| CH637795B (en) | |
| GB2026935B (en) | 1982-09-08 |
| ES482966A1 (en) | 1980-05-16 |
| JPS5522097A (en) | 1980-02-16 |
| FR2432564A1 (en) | 1980-02-29 |
| BE877930A (en) | 1979-11-16 |
| IT7949806A0 (en) | 1979-07-19 |
| FR2432564B1 (en) | 1982-12-10 |
| DE2833568C2 (en) | 1987-02-12 |