FR2165957B1 - - Google Patents
Info
- Publication number
- FR2165957B1 FR2165957B1 FR727245088A FR7245088A FR2165957B1 FR 2165957 B1 FR2165957 B1 FR 2165957B1 FR 727245088 A FR727245088 A FR 727245088A FR 7245088 A FR7245088 A FR 7245088A FR 2165957 B1 FR2165957 B1 FR 2165957B1
- Authority
- FR
- France
- 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
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
- B01D71/48—Polyesters
-
- 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
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US20892871A | 1971-12-16 | 1971-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2165957A1 FR2165957A1 (ko) | 1973-08-10 |
FR2165957B1 true FR2165957B1 (ko) | 1979-02-09 |
Family
ID=22776626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR727245088A Expired FR2165957B1 (ko) | 1971-12-16 | 1972-12-18 |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA1025590A (ko) |
DE (1) | DE2261895B2 (ko) |
FR (1) | FR2165957B1 (ko) |
GB (2) | GB1425319A (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0611320B2 (ja) * | 1984-10-02 | 1994-02-16 | 旭メデイカル株式会社 | 血液透析用中空糸膜 |
GB8620484D0 (en) * | 1986-08-22 | 1986-10-01 | Raychem Ltd | Plugged microporous film |
EP2060315A3 (en) * | 2007-11-15 | 2009-08-12 | DSMIP Assets B.V. | High performance membrane |
CN109836735A (zh) * | 2011-06-23 | 2019-06-04 | 索尔维特殊聚合物意大利有限公司 | 用于制造多孔膜的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3216882A (en) * | 1960-12-05 | 1965-11-09 | Nalco Chemical Co | Porous plastic film |
US3423491A (en) * | 1964-09-02 | 1969-01-21 | Dow Chemical Co | Permselective hollow fibers and method of making |
CH446714A (fr) * | 1964-09-23 | 1967-11-15 | Rhone Poulenc Sa | Procédé d'obtention d'une matière microporeuse |
DE1771082B1 (de) * | 1968-03-30 | 1970-10-08 | Varta Gmbh | Separationsschicht fuer galvanische Primaerelemente mit waessrigem Elektrolyten aus einer Mischung zumindest zweier Kunststoffe,von denen der eine als Porenbildner herausloesbar ist |
-
1972
- 1972-12-18 DE DE2261895A patent/DE2261895B2/de not_active Ceased
- 1972-12-18 GB GB3200775A patent/GB1425319A/en not_active Expired
- 1972-12-18 CA CA159,248A patent/CA1025590A/en not_active Expired
- 1972-12-18 GB GB5844072A patent/GB1425318A/en not_active Expired
- 1972-12-18 FR FR727245088A patent/FR2165957B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1025590A (en) | 1978-01-31 |
DE2261895B2 (de) | 1979-10-25 |
FR2165957A1 (ko) | 1973-08-10 |
DE2261895A1 (de) | 1973-06-28 |
GB1425319A (en) | 1976-02-18 |
GB1425318A (en) | 1976-02-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |