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EP0449296
European procedure
Extract from the Register of European Patents
EP About this file: EP0449296
| EP0449296 - Palladium catalyzed carboalkoxylation of butadiene [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 15.07.1995 Database last updated on 03.09.2024 | Most recent event Tooltip | 15.07.1995 | No opposition filed within time limit | published on 06.09.1995 [1995/36] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1991/40] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
d'Amore, Michael Brian 2406 Granby Road Wilmington, Delaware 19810 / US | [1991/40] | Representative(s) | Abitz, Walter, et al Patentanwälte Abitz & Partner Postfach 86 01 09 81628 München / DE | [N/P] |
| Former [1991/40] | Abitz, Walter, Dr.-Ing., et al Patentanwälte Abitz & Partner Postfach 86 01 09 D-81628 München / DE | Application number, filing date | 91105019.3 | 28.03.1991 | [1991/40] | Priority number, date | US19900501111 | 29.03.1990 Original published format: US 501111 | [1991/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0449296 | Date: | 02.10.1991 | Language: | EN | [1991/40] | Type: | B1 Patent specification | No.: | EP0449296 | Date: | 14.09.1994 | Language: | EN | [1994/37] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.07.1991 | Classification | IPC: | C07C69/533, C07C67/38 | [1991/40] | CPC: |
C07C67/38 (EP,US);
C07C69/07 (KR)
| C-Set: |
C07C67/38, C07C69/533 (EP,US)
| Designated contracting states | BE, DE, ES, FR, GB, IT, NL [1991/40] | Title | German: | Palladiumkatalysierte Carbalkoxylierung von Butadien | [1991/40] | English: | Palladium catalyzed carboalkoxylation of butadiene | [1991/40] | French: | Carbalcoxylation du butadiène utilisant un catalyseur à base de palladium | [1991/40] | Examination procedure | 01.04.1992 | Examination requested [1992/23] | 14.12.1993 | Despatch of communication of intention to grant (Approval: Yes) | 15.03.1994 | Communication of intention to grant the patent | 16.06.1994 | Fee for grant paid | 16.06.1994 | Fee for publishing/printing paid | Opposition(s) | 15.06.1995 | No opposition filed within time limit [1995/36] | Fees paid | Renewal fee | 27.01.1993 | Renewal fee patent year 03 | 26.01.1994 | Renewal fee patent year 04 |
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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]US4172087 (KNIFTON JOHN F [US]); | [AD]US3437676 (KUTEPOW NIKOLAUS VON, et al); | [AD]EP0273489 (SHELL INT RESEARCH [NL]); | [A]US4433164 (JENCK JEAN [FR]) |