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EP0209114
European procedure
Extract from the Register of European Patents
EP About this file: EP0209114
| EP0209114 - Amphiphilic polyimide precursor and process for preparing the same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.07.1993 Database last updated on 24.08.2024 | Most recent event Tooltip | 24.07.1993 | No opposition filed within time limit | published on 15.09.1993 [1993/37] | Applicant(s) | For all designated states KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA 2-4 Nakanoshima 3-chome Kita-ku Osaka-shi Osaka-fu 530 / JP | [N/P] |
| Former [1987/04] | For all designated states KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHA 2-4 Nakanoshima 3-chome Kita-ku Osaka-shi Osaka-fu 530 / JP | Inventor(s) | 01 /
Uekita, Masakazu 5-21, Takaha-cho 5-chome Nada-ku Kobe-shi Hyogo-ken / JP | 02 /
Awaji, Hiroshi 31-17, Shioya-cho 6-chome Tarumi-ku Kobe-shi Hyogo-ken / JP | [1987/04] | Representative(s) | Gille Hrabal Partnerschaftsgesellschaft mbB Patentanwälte Brucknerstraße 20 40593 Düsseldorf / DE | [N/P] |
| Former [1987/19] | Türk, Gille, Hrabal, Leifert Brucknerstrasse 20 D-40593 Düsseldorf / DE | ||
| Former [1987/04] | Türk, Dietmar, Dr. rer. nat. Türk, Gille, Hrabal, Leifert Patentanwälte Brucknerstrasse 20 D-40593 Düsseldorf / DE | Application number, filing date | 86109689.9 | 15.07.1986 | [1987/04] | Priority number, date | JP19850157354 | 16.07.1985 Original published format: JP 15735485 | [1987/04] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0209114 | Date: | 21.01.1987 | Language: | EN | [1987/04] | Type: | A3 Search report | No.: | EP0209114 | Date: | 24.05.1989 | Language: | EN | [1989/21] | Type: | B1 Patent specification | No.: | EP0209114 | Date: | 23.09.1992 | Language: | EN | [1992/39] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.04.1989 | Classification | IPC: | C08G73/10 | [1987/04] | CPC: |
C08G73/1007 (EP,US);
C08G73/10 (EP,US);
Y10T428/31721 (EP,US)
| Designated contracting states | BE, DE, FR, GB [1987/04] | Title | German: | Amphiphiler Polyimid-Vorläufer und Verfahren zu seiner Herstellung | [1987/04] | English: | Amphiphilic polyimide precursor and process for preparing the same | [1987/04] | French: | Précurseur amphiphile de polyimide et procédé pour sa préparation | [1987/04] | Examination procedure | 15.11.1989 | Examination requested [1990/02] | 17.10.1991 | Despatch of communication of intention to grant (Approval: Yes) | 21.02.1992 | Communication of intention to grant the patent | 26.05.1992 | Fee for grant paid | 26.05.1992 | Fee for publishing/printing paid | Opposition(s) | 24.06.1993 | No opposition filed within time limit [1993/37] | Fees paid | Renewal fee | 09.07.1988 | Renewal fee patent year 03 | 13.07.1989 | Renewal fee patent year 04 | 12.07.1990 | Renewal fee patent year 05 | 18.07.1991 | Renewal fee patent year 06 | 24.07.1992 | Renewal fee patent year 07 |
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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 | [A]EP0083690 (KANEGAFUCHI CHEMICAL IND [JP]); | [A]EP0084269 (DU PONT [US]); | [AP]EP0179604 (MITSUI TOATSU CHEMICALS [JP]) | [A] - JOURNAL OF POLYMER SCIENCE, PART A | [A] - DIE ANGEWANDTE MAKROMOLEKULARE CHEMIE | Examination | - JOURNAL OF POLYMER SCIENCE, PART A vol. 3, 1965, pages 1373 - 1390; C. E. SROOG et al.: "Aromatic Polypyromellitimides from Aromatic Polyamie Acids" | - DIE ANGEWANDTE MAKROMOLEKULARE CHEMIE vol. 79, June 1979, pages 93 - 106, Basel, CH; N.D. GHATGE et al.: "Polyimides from Diamines and Dianhydrides" |