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EP0269281
European procedure
Extract from the Register of European Patents
EP About this file: EP0269281
| EP0269281 - Catalytic decomposition of impurities in tertiary butyl alcohol [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.10.1991 Database last updated on 30.10.2024 | Most recent event Tooltip | 10.10.1991 | No opposition filed within time limit | published on 27.11.1991 [1991/48] | Applicant(s) | For all designated states TEXACO DEVELOPMENT CORPORATION 2000 Westchester Avenue White Plains New York 10650 / US | [N/P] |
| Former [1988/22] | For all designated states TEXACO DEVELOPMENT CORPORATION 2000 Westchester Avenue White Plains, New York 10650 / US | Inventor(s) | 01 /
Sanderson, John Ronald P.O.Box 587 Leander, TX / US | 02 /
Larkin, John Michael 12414 Dorsett Road Austin, TX 78759 / US | [1990/49] |
| Former [1988/22] | 01 /
Sanderson, John Ronald P.O: Box 587 Leander Texas / US | ||
| 02 /
Larkin, John Michael 12414 Dorsett Road Austin Texas 78759 / US | Representative(s) | Ben-Nathan, Laurence Albert, et al Urquhart-Dykes & Lord 30 Welbeck Street London W1G 8ER / GB | [N/P] |
| Former [1988/22] | Ben-Nathan, Laurence Albert, et al Urquhart-Dykes & Lord 91 Wimpole Street London W1M 8AH / GB | Application number, filing date | 87309613.5 | 30.10.1987 | [1988/22] | Priority number, date | US19860932822 | 20.11.1986 Original published format: US 932822 | [1988/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0269281 | Date: | 01.06.1988 | Language: | EN | [1988/22] | Type: | B1 Patent specification | No.: | EP0269281 | Date: | 05.12.1990 | Language: | EN | [1990/49] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.04.1988 | Classification | IPC: | C07C409/04, C07C19/06, C07C31/12, C07C29/88, B01J23/86 | [1990/49] | CPC: |
C07C29/88 (EP,US);
B01J23/868 (EP,US)
| C-Set: |
C07C29/88, C07C31/12 (EP,US)
|
| Former IPC [1988/22] | C07C179/025, C07C19/06, C07C31/12, C07C29/88, B01J23/86 | Designated contracting states | BE, DE, FR, GB, NL [1988/22] | Title | German: | Katalytische Zersetzung der Verunreinigungen in tertiär-Butylalkohol | [1988/22] | English: | Catalytic decomposition of impurities in tertiary butyl alcohol | [1988/22] | French: | Décomposition catalytique des impuretés en l'alcohol butyle tertiare | [1988/22] | Examination procedure | 20.06.1988 | Examination requested [1988/33] | 20.09.1989 | Despatch of a communication from the examining division (Time limit: M04) | 13.11.1989 | Reply to a communication from the examining division | 31.01.1990 | Despatch of communication of intention to grant (Approval: Yes) | 31.05.1990 | Communication of intention to grant the patent | 03.07.1990 | Fee for grant paid | 03.07.1990 | Fee for publishing/printing paid | Opposition(s) | 06.09.1991 | No opposition filed within time limit [1991/48] | Fees paid | Renewal fee | 05.10.1989 | Renewal fee patent year 03 | 29.09.1990 | 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 | [A]BE2165027 ; | [A]GB1413355 (NISSAN MOTOR); | [A]US3987100 (BARNETTE WILLIE JON, et al); | [A]US4059598 (COYLE JAMES J); | [A]US4112004 (MABUCHI SHUNSUKE, et al); | [A]US4551553 (TAYLOR PAUL D [US], et al) |