EP0297657 - Dehydrogenation catalyst [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.05.1993 Database last updated on 19.07.2024 | Most recent event Tooltip | 20.05.1993 | No opposition filed within time limit | published on 07.07.1993 [1993/27] | Applicant(s) | For all designated states Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 2596 HR Den Haag / NL | [N/P] |
Former [1989/01] | For all designated states SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Carel van Bylandtlaan 30 NL-2596 HR Den Haag / NL | Inventor(s) | 01 /
Dejaifve, Pierre Eugène Shell Recherche S.A. Centre de Recherche de Grand-Couronne Route de Caen F-76530 Grand Couronne / FR | 02 /
Dufour, Jacques Julien Jean Shell Recherche S.A. Centre de Recherche de Grand-Couronne Route de Caen F-76530 Grand Couronne / FR | 03 /
Darnanville, Jean-Paul Shell Recherche S.A. Centre de Recherche de Grand-Couronne Route de Caen F-76530 Grand Couronne / FR | 04 /
Garin, Roland Albert Charles Shell Recherche S.A. Centre de Recherche de Grand-Couronne Route de Caen F-76530 Grand Couronne / FR | [1989/01] | Representative(s) | (deleted) | [1992/29] |
Former [1991/36] | Tuijn, Jan Warnaar, et al Shell Internationale Research Maatschappij B.V. Intellectual Property Division P.O. Box 162 NL-2501 AN Den Haag / NL | ||
Former [1989/01] | Aalbers, Onno P.O. Box 162 NL-2501 AN The Hague / NL | Application number, filing date | 88201284.2 | 21.06.1988 | [1989/01] | Priority number, date | FR19870009149 | 29.06.1987 Original published format: FR 8709149 | [1989/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0297657 | Date: | 04.01.1989 | Language: | EN | [1989/01] | Type: | B1 Patent specification | No.: | EP0297657 | Date: | 15.07.1992 | Language: | EN | [1992/29] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.10.1988 | Classification | IPC: | B01J23/82, C07C5/333, C07C15/46 | [1989/01] | CPC: |
B01J23/835 (EP,KR,US);
B01J23/62 (KR);
B01J23/63 (KR);
B01J23/83 (KR);
C07C5/3332 (EP,US)
| C-Set: |
C07C5/3332, C07C15/46 (EP,US)
| Designated contracting states | BE, DE, ES, FR, GB, GR, IT, NL, SE [1989/01] | Title | German: | Dehydrierungskatalysator | [1989/01] | English: | Dehydrogenation catalyst | [1989/01] | French: | Catalyseur de déshydrogénation | [1989/01] | Examination procedure | 08.06.1989 | Examination requested [1989/38] | 09.11.1990 | Despatch of a communication from the examining division (Time limit: M04) | 11.02.1991 | Reply to a communication from the examining division | 21.06.1991 | Despatch of communication of intention to grant (Approval: No) | 02.12.1991 | Despatch of communication of intention to grant (Approval: later approval) | 06.12.1991 | Communication of intention to grant the patent | 06.01.1992 | Fee for grant paid | 06.01.1992 | Fee for publishing/printing paid | Opposition(s) | 16.04.1993 | No opposition filed within time limit [1993/27] | Fees paid | Renewal fee | 02.05.1990 | Renewal fee patent year 03 | 10.05.1991 | Renewal fee patent year 04 | 29.06.1992 | 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]US3364277 (SIEM ROY C); | [A]FR2266738 (RAFFINAGE CIE FRANCAISE [FR]); | [A]US4460706 (IMANARI MAKOTO [JP], et al); | [A]EP0181999 (SUED CHEMIE AG [DE]); | [APD]FR2592375 (SHELL INT RESEARCH [NL]) |