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EP0444190
European procedure
Extract from the Register of European Patents
EP About this file: EP0444190
| EP0444190 - GAS SEPARATION BY SEMI-PERMEABLE MEMBRANES [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.09.1995 Database last updated on 21.03.2025 | Most recent event Tooltip | 30.09.1995 | No opposition filed within time limit | published on 22.11.1995 [1995/47] | Applicant(s) | For all designated states Advanced Silicon Materials, Inc. 3322 County Road "N", N.E. Moses Lake, Washington 98837 / US | [1991/44] |
| Former [1991/36] | For all designated states UNION CARBIDE CHEMICALS AND PLASTICS COMPANY, INC. 39 Old Ridgebury Road Danbury Connecticut 06817-0001 / US | Inventor(s) | 01 /
HSIEH, Shan-Tao 905 Alynwood Circle Charleston, WV 25314 / US | 02 /
KELLER, George, Ernest, II 1207 Ellen Drive South Charleston, WV 25303 / US | [1991/36] | Representative(s) | Goetz, Rupert, et al Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München / DE | [N/P] |
| Former [1994/40] | Goetz, Rupert, Dipl.-Ing., et al Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 D-81541 München / DE | ||
| Former [1991/36] | Goetz, Rupert, Dipl.-Ing. Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 D-81541 München / DE | Application number, filing date | 90915048.4 | 19.09.1990 | [1991/36] | WO1990US05221 | Priority number, date | US19890409059 | 19.09.1989 Original published format: US 409059 | [1991/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9104223 | Date: | 04.04.1991 | Language: | EN | [1991/08] | Type: | A1 Application with search report | No.: | EP0444190 | Date: | 04.09.1991 | Language: | EN | The application published by WIPO in one of the EPO official languages on 04.04.1991 takes the place of the publication of the European patent application. | [1991/36] | Type: | B1 Patent specification | No.: | EP0444190 | Date: | 30.11.1994 | Language: | EN | [1994/48] | Search report(s) | International search report - published on: | EP | 04.04.1991 | Classification | IPC: | C01B3/50, C01B7/00, C01B33/04, C01B33/107, C01B7/07, C01B7/19, C01B7/09, C01B7/13, C01B33/03 | [1991/36] | CPC: |
C30B29/06 (EP,US);
C01B3/50 (KR);
B01D53/22 (EP,US);
B01D53/228 (EP,US);
B01D69/1213 (EP,KR,US);
C01B3/501 (EP,US);
C01B3/503 (EP,US);
C01B33/029 (EP,US);
C01B33/03 (EP,US);
C01B33/035 (EP,US);
C01B33/043 (EP,US);
C01B33/107 (EP,US);
C01B33/1071 (EP,US);
C01B33/10763 (EP,US);
C01B7/00 (EP,US);
| Designated contracting states | DE, FR, GB [1991/36] | Title | German: | GASTRENNUNG MIT SEMIPERMEABLEN MEMBRANEN | [1991/36] | English: | GAS SEPARATION BY SEMI-PERMEABLE MEMBRANES | [1991/36] | French: | SEPARATION GAZEUSE AU MOYEN DE MEMBRANES SEMI-PERMEABLES | [1991/36] | Entry into regional phase | 17.05.1991 | National basic fee paid | 17.05.1991 | Designation fee(s) paid | 17.05.1991 | Examination fee paid | Examination procedure | 17.05.1991 | Examination requested [1991/36] | 03.09.1992 | Despatch of a communication from the examining division (Time limit: M06) | 03.03.1993 | Reply to a communication from the examining division | 22.06.1993 | Despatch of a communication from the examining division (Time limit: M04) | 31.08.1993 | Reply to a communication from the examining division | 08.11.1993 | Despatch of communication of intention to grant (Approval: Yes) | 24.03.1994 | Communication of intention to grant the patent | 22.06.1994 | Fee for grant paid | 22.06.1994 | Fee for publishing/printing paid | Opposition(s) | 31.08.1995 | No opposition filed within time limit [1995/47] | Fees paid | Renewal fee | 17.08.1992 | Renewal fee patent year 03 | 20.08.1993 | Renewal fee patent year 04 | 25.08.1994 | Renewal fee patent year 05 |
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