NL6907740A - - Google Patents
Info
- Publication number
- NL6907740A NL6907740A NL6907740A NL6907740A NL6907740A NL 6907740 A NL6907740 A NL 6907740A NL 6907740 A NL6907740 A NL 6907740A NL 6907740 A NL6907740 A NL 6907740A NL 6907740 A NL6907740 A NL 6907740A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73057668A | 1968-05-20 | 1968-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6907740A true NL6907740A (de) | 1969-11-24 |
Family
ID=24935898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6907740A NL6907740A (de) | 1968-05-20 | 1969-05-20 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1925283A1 (de) |
| FR (1) | FR2008947A1 (de) |
| NL (1) | NL6907740A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51119069A (en) * | 1975-03-20 | 1976-10-19 | Nippon Oil Co Ltd | Method of producing permeable film |
| JPS5939460B2 (ja) * | 1976-12-10 | 1984-09-22 | 日石三菱株式会社 | 多孔膜の製法 |
| US4434116A (en) * | 1981-06-26 | 1984-02-28 | Diamond Shamrock Corporation | Method for making a porous fluorinated polymer structure |
| US5982548A (en) * | 1997-05-19 | 1999-11-09 | W. L. Gore & Associates, Inc. | Thin light reflectant surface and method for making and using same |
-
1969
- 1969-05-17 DE DE19691925283 patent/DE1925283A1/de active Pending
- 1969-05-20 NL NL6907740A patent/NL6907740A/xx unknown
- 1969-05-20 FR FR6916399A patent/FR2008947A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE1925283A1 (de) | 1969-11-27 |
| FR2008947A1 (en) | 1970-01-30 |