NL71741C - - Google Patents
Info
- Publication number
- NL71741C NL71741C NL71741DA NL71741C NL 71741 C NL71741 C NL 71741C NL 71741D A NL71741D A NL 71741DA NL 71741 C NL71741 C NL 71741C
- Authority
- NL
- Netherlands
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
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
- B01D71/383—Polyvinylacetates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S424/00—Drug, bio-affecting and body treating compositions
- Y10S424/07—Microporous membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR827197X | 1948-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71741C true NL71741C (it) |
Family
ID=9283218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71741D NL71741C (it) | 1948-07-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2563644A (it) |
| BE (1) | BE489619A (it) |
| DE (1) | DE827197C (it) |
| FR (1) | FR969911A (it) |
| GB (1) | GB658166A (it) |
| NL (1) | NL71741C (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2894289A (en) * | 1956-03-01 | 1959-07-14 | Dow Chemical Co | Method of making permeselective membranes |
| US2944017A (en) * | 1956-12-17 | 1960-07-05 | Millipore Filter Corp | Filter medium |
| US2950504A (en) * | 1957-05-20 | 1960-08-30 | Suzuki Shigemasa | Process for molding hard polyvinyl chloride |
| DE1119229B (de) * | 1959-10-19 | 1961-12-14 | Diether Vitzthum Dipl Chem | Verfahren zum Trennen von verdampfbaren Fluessigkeitsgemischen organischer oder anorganisch-organischer Zusammensetzung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE649233C (de) * | 1934-03-31 | 1937-08-18 | Kodak Akt Ges | Verfahren zur Gewinnung von Halogenen aus ihren Loesungen |
| US2056796A (en) * | 1934-04-26 | 1936-10-06 | Du Pont | Polyvinyl resin compositions and process of preparing same |
| US2046378A (en) * | 1934-12-22 | 1936-07-07 | Duplate Corp | Method of plasticizing a resin and forming it into a sheet |
| US2148062A (en) * | 1938-11-28 | 1939-02-21 | Monsanto Chemicals | Method of forming polyvinyl acetal resin sheets |
| US2338787A (en) * | 1939-01-10 | 1944-01-11 | United Shoe Machinery Corp | Method of making articles |
| FR843823A (fr) * | 1945-05-03 | 1939-07-11 | La Viscose Francaise Soc D | Procédé de fabrication d'objets rétractiles extensibles, par exemple, capes, ou bagues de bouchage pour flacons |
-
0
- BE BE489619D patent/BE489619A/xx unknown
- NL NL71741D patent/NL71741C/xx active
-
1948
- 1948-07-26 FR FR969911D patent/FR969911A/fr not_active Expired
-
1949
- 1949-06-29 US US101928A patent/US2563644A/en not_active Expired - Lifetime
- 1949-07-01 GB GB17482/49A patent/GB658166A/en not_active Expired
- 1949-07-01 DE DEP47561A patent/DE827197C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE489619A (it) | |
| DE827197C (de) | 1952-01-07 |
| GB658166A (en) | 1951-10-03 |
| US2563644A (en) | 1951-08-07 |
| FR969911A (fr) | 1950-12-27 |