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EP0243143
European procedure
Extract from the Register of European Patents
EP About this file: EP0243143
| EP0243143 - Method of preparing a phosphomolybdic acid catalyst and hydroconversion process utilizing the catalyst [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.05.1992 Database last updated on 27.07.2024 | Most recent event Tooltip | 14.05.1992 | No opposition filed within time limit | published on 01.07.1992 [1992/27] | Applicant(s) | For all designated states EXXON RESEARCH AND ENGINEERING COMPANY P.O.Box 390 180 Park Avenue Florham Park New Jersey 07932-0390 / US | [N/P] |
| Former [1987/44] | For all designated states EXXON RESEARCH AND ENGINEERING COMPANY P.O.Box 390, 180 Park Avenue Florham Park, New Jersey 07932-0390 / US | Inventor(s) | 01 /
Bearden, Roby Jr. 505 Stanford Avenue Baton Rouge Louisiana 70808 / US | 02 /
Aldridge, Clyde Lee 6022 South Pollard Parkway Baton Rouge Louisiana 70808 / US | 03 /
Lewis, William Ernest 1150 Magnolia Wood Avenue Baton Rouge Louisiana 70808 / US | 04 /
Mayer, Francis Xavier 5277 Whitehaven Street Baton Rouge Louisiana 70808 / US | 05 /
Taylor, James Howard Jr. 5545 Melrose Boulevard Baton Rouge Louisiana 70808 / US | [1987/44] | Representative(s) | Somers, Harold Arnold, et al ESSO Engineering (Europe) Ltd. Patents & Licences Mailpoint 12 Esso House, Ermyn Way Leatherhead, Surrey KT22 8XE / GB | [N/P] |
| Former [1987/44] | Somers, Harold Arnold, et al ESSO Engineering (Europe) Ltd. Patents & Licences Mailpoint 72 Esso House Ermyn Way Leatherhead, Surrey KT22 8XE / GB | Application number, filing date | 87303482.1 | 21.04.1987 | [1987/44] | Priority number, date | US19860854307 | 21.04.1986 Original published format: US 854307 | [1987/44] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0243143 | Date: | 28.10.1987 | Language: | EN | [1987/44] | Type: | A3 Search report | No.: | EP0243143 | Date: | 07.01.1988 | Language: | EN | [1988/01] | Type: | B1 Patent specification | No.: | EP0243143 | Date: | 10.07.1991 | Language: | EN | [1991/28] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.11.1987 | Classification | IPC: | B01J27/19, C10G47/06, C10G47/26 | [1987/44] | CPC: |
B01J37/20 (EP);
B01J23/28 (EP);
B01J27/19 (EP);
C10G47/26 (EP)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1987/44] | Title | German: | Verfahren zur Herstellung eines Katalysators aus Phosphomolybdänsäure und Verfahren zum Hydrokonvertieren mittels dieses Katalysators | [1987/44] | English: | Method of preparing a phosphomolybdic acid catalyst and hydroconversion process utilizing the catalyst | [1987/44] | French: | Procédé de fabrication d'un catalyseur à base d'acide phosphomolybdique et procédé d'hydroconversion à l'aide de ce catalyseur | [1987/44] | Examination procedure | 10.06.1988 | Examination requested [1988/34] | 10.05.1989 | Despatch of a communication from the examining division (Time limit: M06) | 27.09.1989 | Reply to a communication from the examining division | 29.11.1989 | Despatch of a communication from the examining division (Time limit: M04) | 27.03.1990 | Reply to a communication from the examining division | 21.05.1990 | Despatch of communication of intention to grant (Approval: Yes) | 05.10.1990 | Communication of intention to grant the patent | 20.11.1990 | Fee for grant paid | 20.11.1990 | Fee for publishing/printing paid | Opposition(s) | 11.04.1992 | No opposition filed within time limit [1992/27] | Fees paid | Renewal fee | 20.03.1989 | Renewal fee patent year 03 | 19.03.1990 | Renewal fee patent year 04 | 25.03.1991 | 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 | [A]US4196072 ; | [A]FR2367813 ; | [A]US4192735 ; | [AP]US4637870 |