-
EP0552305
European procedure
Extract from the Register of European Patents
EP About this file: EP0552305
| EP0552305 - Hydrolytically and oxydatively stable aromatic polyimides [Right-click to bookmark this link] | |||
| Former [1993/30] | HYDROLYTICALLY AND OXIDATIVELY STABLE POLYIMIDES | ||
| [1995/32] | Status | No opposition filed within time limit Status updated on 14.06.1996 Database last updated on 02.11.2024 | Most recent event Tooltip | 14.06.1996 | No opposition filed within time limit | published on 31.07.1996 [1996/31] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1993/30] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
KAKU, Mureo 203 Dakota Avenue Wilmington, DE 19803 / US | [1993/30] | Representative(s) | Abitz, Walter Patentanwälte Abitz & Partner Postfach 86 01 09 81628 München / DE | [N/P] |
| Former [1994/08] | Abitz, Walter, Dr.-Ing. Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München / DE | ||
| Former [1993/30] | Abitz, Walter, Dr.-Ing. Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München / DE | Application number, filing date | 91920584.9 | 10.10.1991 | [1993/30] | WO1991US07241 | Priority number, date | US19900595836 | 11.10.1990 Original published format: US 595836 | [1993/30] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9207021 | Date: | 30.04.1992 | Language: | EN | [1992/10] | Type: | A1 Application with search report | No.: | EP0552305 | Date: | 28.07.1993 | Language: | EN | The application published by WIPO in one of the EPO official languages on 30.04.1992 takes the place of the publication of the European patent application. | [1993/30] | Type: | B1 Patent specification | No.: | EP0552305 | Date: | 09.08.1995 | Language: | EN | [1995/32] | Search report(s) | International search report - published on: | EP | 30.04.1992 | Classification | IPC: | C08G73/10 | [1993/30] | CPC: |
C08G73/1067 (EP,US);
C08K3/04 (EP,US)
| C-Set: |
C08K3/04, C08L79/00 (EP,US)
| Designated contracting states | DE, GB [1993/30] | Title | German: | Hydrolytisch und oxydativ stabile aromatische polyimide | [1995/32] | English: | Hydrolytically and oxydatively stable aromatic polyimides | [1995/32] | French: | Polyimides aromatiques présentant une stabilité à l'oxydation et à l'hydrolyse | [1995/32] |
| Former [1993/30] | HYDROLYTISCH UND OXYDATIV STABILE POLYIMIDE | ||
| Former [1993/30] | HYDROLYTICALLY AND OXIDATIVELY STABLE POLYIMIDES | ||
| Former [1993/30] | POLYIMIDES PRESENTANT UNE STABILITE A L'OXYDATION ET A L'HYDROLYSE | Entry into regional phase | 26.03.1993 | National basic fee paid | 26.03.1993 | Designation fee(s) paid | 26.03.1993 | Examination fee paid | Examination procedure | 06.04.1992 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 26.03.1993 | Examination requested [1993/30] | 21.12.1993 | Despatch of a communication from the examining division (Time limit: M06) | 30.06.1994 | Reply to a communication from the examining division | 11.11.1994 | Despatch of communication of intention to grant (Approval: Yes) | 15.02.1995 | Communication of intention to grant the patent | 11.05.1995 | Fee for grant paid | 11.05.1995 | Fee for publishing/printing paid | Opposition(s) | 10.05.1996 | No opposition filed within time limit [1996/31] | Fees paid | Renewal fee | 26.03.1993 | Renewal fee patent year 03 | 26.10.1994 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Cited in | International search | [X]US4755555 (MANWILLER CARL H [US], et al); | [A]EP0199364 (DU PONT [US]); | [A]US3249588 (GEORGE GALL WALTER) | [A] - STN International, File CA, Chemical Abstracts, volume 104, no. 12, 24 March 1986, (Columbus, Ohio, US), Numata Shunichi et al: "Flexible printed circuit boards", abstract 90035h, & Jpn. Kokai Tokkyo Koho, 8 pp. |