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EP0550262
European procedure
Extract from the Register of European Patents
EP About this file: EP0550262
| EP0550262 - Porous membrane having single layer structure, battery separator made thereof, preparations thereof, and battery equipped with same battery separator [Right-click to bookmark this link] | |||
| Former [1993/27] | Porous membrane having single layer structure battery separator made thereof, preparations thereof and battery equipped with same battery separator | ||
| [1997/14] | Status | No opposition filed within time limit Status updated on 06.02.1998 Database last updated on 10.07.2024 | Most recent event Tooltip | 06.02.1998 | No opposition filed within time limit | published on 25.03.1998 [1998/13] | Applicant(s) | For all designated states HOECHST CELANESE CORPORATION 13800 South Lake Drive Charlotte, North Carolina 28273 / US | [1997/39] |
| Former [1993/27] | For all designated states W.R. Grace & Co.-Conn. Grace Plaza, 1114 Avenue of the Americas New York, New York 10036 / US | Inventor(s) | 01 /
Takeuchi, Tsutomu Kami-Asao 1-10-5-204,Asao-Ku Kawasaki-Shi, Kanagawa-Ken / JP | 02 /
Yamazaki, Manabu 5-37-405, Kita 2-Chome Tsurumaki Hatano-Shi, Kanagawa-Ken / JP | 03 /
Mori, Yuichi 1642-212-B Kamiriyacho, Kanazawa-Ku Yokohama-Shi, Kanagawa-Ken / DE | [1993/27] | Representative(s) | Bentham, Stephen J A Kemp 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
| Former [1993/27] | Bentham, Stephen J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX / GB | Application number, filing date | 92311791.5 | 24.12.1992 | [1993/27] | Priority number, date | JP19910358890 | 27.12.1991 Original published format: JP 35889091 | JP19910358891 | 27.12.1991 Original published format: JP 35889191 | JP19920268012 | 10.09.1992 Original published format: JP 26801292 | JP19920268013 | 10.09.1992 Original published format: JP 26801392 | [1993/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0550262 | Date: | 07.07.1993 | Language: | EN | [1993/27] | Type: | B1 Patent specification | No.: | EP0550262 | Date: | 02.04.1997 | Language: | EN | [1997/14] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.05.1993 | Classification | IPC: | H01M2/14, H01M6/14, H01M10/40 | [1993/27] | CPC: |
H01M50/417 (EP,US);
H01M50/489 (EP,US);
H01M50/491 (EP,US);
H01M2200/00 (EP,US);
H01M2200/10 (EP,US);
Y02E60/10 (EP)
| Designated contracting states | DE, FR, GB, IT [1993/27] | Title | German: | Poröse Membran, die aus einer einzigen Schicht aufgebaut ist, daraus hergestellter Batterieseparator, Herstellungsverfahren davon und Batterie, die mit diesem Batterieseparator ausgestattet ist | [1997/14] | English: | Porous membrane having single layer structure, battery separator made thereof, preparations thereof, and battery equipped with same battery separator | [1997/14] | French: | Membrane poreuse à structure monocouche, séparateur de batterie fabriqué de cette membrane, fabrications de ceux-ci et batterie munie de ce séparateur de batterie | [1993/27] |
| Former [1993/27] | Poröse Membrane die aus einer einzigen Schichte aufgebaut ist, daraus hergestellter Batterieseparator, Herstellungsverfahren davon und Batterie, die mit diesem Batterieseparator ausgestattet ist | ||
| Former [1993/27] | Porous membrane having single layer structure battery separator made thereof, preparations thereof and battery equipped with same battery separator | Examination procedure | 31.12.1993 | Examination requested [1994/19] | 07.06.1995 | Despatch of a communication from the examining division (Time limit: M04) | 06.09.1995 | Reply to a communication from the examining division | 16.04.1996 | Despatch of communication of intention to grant (Approval: Yes) | 13.08.1996 | Communication of intention to grant the patent | 13.11.1996 | Fee for grant paid | 13.11.1996 | Fee for publishing/printing paid | Opposition(s) | 03.01.1998 | No opposition filed within time limit [1998/13] | Fees paid | Renewal fee | 07.12.1994 | Renewal fee patent year 03 | 08.12.1995 | Renewal fee patent year 04 | 11.12.1996 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [AD]US4741979 (FAUST MARILYN A [US], et al); | [A]EP0391694 (HOECHST CELANESE CORP [US]) |