BR7307023D0 - Novas fibras ocas com propriedades ultrafiltrantes e processo de preparacao de tais fibras - Google Patents
Novas fibras ocas com propriedades ultrafiltrantes e processo de preparacao de tais fibrasInfo
- Publication number
- BR7307023D0 BR7307023D0 BR7023/73A BR702373A BR7307023D0 BR 7307023 D0 BR7307023 D0 BR 7307023D0 BR 7023/73 A BR7023/73 A BR 7023/73A BR 702373 A BR702373 A BR 702373A BR 7307023 D0 BR7307023 D0 BR 7307023D0
- Authority
- BR
- Brazil
- Prior art keywords
- fibers
- ultrafiltrant
- properties
- preparation process
- new hollow
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title 1
- 239000012510 hollow fiber Substances 0.000 title 1
- 238000002360 preparation method Methods 0.000 title 1
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
- B01D71/40—Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters
- B01D71/42—Polymers of nitriles, e.g. polyacrylonitrile
- B01D71/421—Polyacrylonitrile
-
- 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
- B01D69/081—Hollow fibre membranes characterised by the fibre diameter
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7232285A FR2199014B1 (enrdf_load_stackoverflow) | 1972-09-12 | 1972-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7307023D0 true BR7307023D0 (pt) | 1974-07-18 |
Family
ID=9104157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR7023/73A BR7307023D0 (pt) | 1972-09-12 | 1973-09-11 | Novas fibras ocas com propriedades ultrafiltrantes e processo de preparacao de tais fibras |
Country Status (14)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5285525A (en) * | 1975-12-29 | 1977-07-15 | Nippon Zeon Co Ltd | Production of hollow fibers |
| JPH0642905B2 (ja) * | 1986-06-13 | 1994-06-08 | 東レ株式会社 | 血液透析膜 |
-
1973
- 1973-09-03 DD DD173231A patent/DD109238A5/xx unknown
- 1973-09-05 OA OA55005A patent/OA04473A/xx unknown
- 1973-09-07 IN IN2051/CAL/73A patent/IN139645B/en unknown
- 1973-09-07 ZA ZA737166*A patent/ZA737166B/xx unknown
- 1973-09-07 IE IE1592/73A patent/IE38223B1/xx unknown
- 1973-09-07 JP JP48100379A patent/JPS5125486B2/ja not_active Expired
- 1973-09-10 HU HURO748A patent/HU167044B/hu unknown
- 1973-09-11 BR BR7023/73A patent/BR7307023D0/pt unknown
- 1973-09-11 SE SE7312375A patent/SE396097B/xx unknown
- 1973-09-11 AR AR250027A patent/AR199312A1/es active
- 1973-09-11 IL IL43203A patent/IL43203A/en unknown
- 1973-09-12 EG EG358/73A patent/EG10998A/xx active
- 1973-09-12 ES ES418706A patent/ES418706A1/es not_active Expired
- 1973-09-12 IT IT28851/73A patent/IT998593B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| HU167044B (enrdf_load_stackoverflow) | 1975-07-28 |
| OA04473A (fr) | 1980-12-15 |
| IE38223B1 (en) | 1978-01-18 |
| JPS5125486B2 (enrdf_load_stackoverflow) | 1976-07-31 |
| SE396097B (sv) | 1977-09-05 |
| DD109238A5 (enrdf_load_stackoverflow) | 1974-10-20 |
| AR199312A1 (es) | 1974-08-23 |
| IL43203A0 (en) | 1973-11-28 |
| IE38223L (en) | 1974-03-12 |
| ZA737166B (en) | 1974-08-28 |
| JPS4962726A (enrdf_load_stackoverflow) | 1974-06-18 |
| ES418706A1 (es) | 1976-02-16 |
| EG10998A (en) | 1977-04-30 |
| IL43203A (en) | 1976-06-30 |
| IN139645B (enrdf_load_stackoverflow) | 1976-07-10 |
| IT998593B (it) | 1976-02-20 |
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