-
EP0251752
European procedure
- EP About this file
- EP Legal status
- EP Federated register
- EP Event history
- EP Citations
- EP Patent family
- EP All documents
Extract from the Register of European Patents
EP About this file: EP0251752
| EP0251752 - Aluminum-stabilized ceria catalyst compositions and method of making same [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 05.04.1990 Database last updated on 14.08.2024 | Most recent event Tooltip | 07.07.2007 | Change - inventor | published on 08.08.2007 [2007/32] | Applicant(s) | For all designated states ENGELHARD CORPORATION Menlo Park, CN 40 Edison New Jersey 08818 / US | [N/P] |
| Former [1988/01] | 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 / US | 02 /
Dettling, Joseph C. 8 Spicy Pond Road Howell New Jersey / US | [1988/01] | Representative(s) | Fisher, Adrian John, et al Carpmaels & Ransford LLP One Southampton Row London WC1B 5HA / GB | [N/P] |
| Former [1988/01] | Fisher, Adrian John, et al CARPMAELS & RANSFORD 43 Bloomsbury Square London WC1A 2RA / GB | Application number, filing date | 87305750.9 | 29.06.1987 | [1988/01] | Priority number, date | US19860880270 | 30.06.1986 Original published format: US 880270 | [1988/01] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0251752 | Date: | 07.01.1988 | Language: | EN | [1988/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.10.1987 | Classification | IPC: | B01J23/10, // B01D53/36 | [1988/01] | CPC: |
B01D53/945 (EP,US);
B01J23/56 (KR);
B01J23/10 (EP,US);
B01J23/63 (EP,US);
Y02T10/12 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1988/01] | Title | German: | Mit Aluminium stabilisierte Zerdioxidkatalysator-Zusammensetzungen und Verfahren zur Herstellung | [1988/01] | English: | Aluminum-stabilized ceria catalyst compositions and method of making same | [1988/01] | French: | Compositions de catalyseur au bioxyde de cérium stabilisé par l'aluminium et leur procédé de préparation | [1988/01] | File destroyed: | 26.06.1996 | Examination procedure | 25.06.1988 | Examination requested [1988/34] | 10.05.1989 | Despatch of a communication from the examining division (Time limit: M06) | 21.11.1989 | Application deemed to be withdrawn, date of legal effect [1990/21] | 29.12.1989 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1990/21] | Fees paid | Renewal fee | 29.03.1989 | Renewal fee patent year 03 |
| 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. | Documents cited: | Search | [A]FR2171160 (ETHYL CORP [US]); | [A]US4013694 (FISHEL NORMAN A); | [AP]EP0199509 (ENGELHARD CORP [US]); | [AP]EP0207857 (RHONE POULENC SPEC CHIM [FR]) |