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EP0303495
European procedure
Extract from the Register of European Patents
EP About this file: EP0303495
| EP0303495 - Thermally stabilized catalysts containing alumina and methods of making the same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.11.1992 Database last updated on 07.04.2026 | Most recent event Tooltip | 28.11.2003 | Lapse of the patent in a contracting state New state(s): ES | published on 14.01.2004 [2004/03] | Applicant(s) | For all designated states ENGELHARD CORPORATION Menlo Park, CN 40 Edison New Jersey 08818 / US | [N/P] |
| Former [1989/07] | For all designated states ENGELHARD CORPORATION Menlo Park, CN 40 Edison New Jersey 08818 / US | Inventor(s) | 01 /
Wan, Chung-Zong 10 Layne Road Somerset New Jersey 08873 / US | [1989/07] | Representative(s) | Fisher, Adrian John, et al Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA / GB | [N/P] |
| Former [1989/07] | Fisher, Adrian John, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | Application number, filing date | 88307477.5 | 12.08.1988 | [1989/07] | Priority number, date | US19870085903 | 13.08.1987 Original published format: US 85903 | [1989/07] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0303495 | Date: | 15.02.1989 | Language: | EN | [1989/07] | Type: | B1 Patent specification | No.: | EP0303495 | Date: | 08.01.1992 | Language: | EN | [1992/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.10.1988 | Classification | IPC: | B01J27/053, B01J23/58 | [1989/07] | CPC: |
B01J37/024 (EP);
B01J27/053 (EP,KR);
B01D53/56 (KR);
B01J23/58 (KR)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/07] | Title | German: | Thermisch stabilisierte, Aluminiumoxid enthaltende Katalysatoren und Verfahren zur Herstellung derselben | [1989/07] | English: | Thermally stabilized catalysts containing alumina and methods of making the same | [1989/07] | French: | Catalyseurs stabilisés thermiquement contenant de l'alumine et méthode pour les préparer | [1989/07] | Examination procedure | 07.08.1989 | Examination requested [1989/40] | 20.12.1989 | Despatch of a communication from the examining division (Time limit: M04) | 26.04.1990 | Reply to a communication from the examining division | 12.07.1990 | Despatch of a communication from the examining division (Time limit: M02) | 12.09.1990 | Reply to a communication from the examining division | 26.11.1990 | Despatch of communication of intention to grant (Approval: No) | 15.05.1991 | Despatch of communication of intention to grant (Approval: later approval) | 04.06.1991 | Communication of intention to grant the patent | 10.07.1991 | Fee for grant paid | 10.07.1991 | Fee for publishing/printing paid | Opposition(s) | 09.10.1992 | No opposition filed within time limit [1992/53] | Fees paid | Renewal fee | 03.07.1990 | Renewal fee patent year 03 | 26.06.1991 | 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. | Lapses during opposition Tooltip | AT | 08.01.1992 | CH | 08.01.1992 | GR | 08.01.1992 | LI | 08.01.1992 | ES | 19.04.1992 | [2004/03] |
| Former [2000/04] | AT | 08.01.1992 | |
| CH | 08.01.1992 | ||
| GR | 08.01.1992 | ||
| LI | 08.01.1992 | ||
| Former [1992/46] | AT | 08.01.1992 | |
| CH | 08.01.1992 | ||
| LI | 08.01.1992 | ||
| Former [1992/33] | CH | 08.01.1992 | |
| LI | 08.01.1992 | ||