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EP0391680
European procedure
Extract from the Register of European Patents
EP About this file: EP0391680
| EP0391680 - Process for preparing carboxylic acids [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.04.1995 Database last updated on 26.03.2026 | Most recent event Tooltip | 07.03.1997 | Lapse of the patent in a contracting state | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states BP Chemicals Limited Britannic House, 1 Finsbury Circus London EC2M 7BA / GB | [N/P] |
| Former [1993/23] | For all designated states BP Chemicals Limited Britannic House 1 Finsbury Circus London EC2M 7BA / GB | ||
| Former [1990/41] | For all designated states BP Chemicals Limited Belgrave House 76 Buckingham Palace Road London, SW1W 0SU / GB | Inventor(s) | 01 /
Beevor, Robert George BP Chemicals Limited, Salt End Hedon, Hull, HU12 8DS / GB | 02 /
Gulliver, David Jeffrey BP Chemicals Limited, Salt End Hedon, Hull, HU12 8DS / GB | [1990/41] | Representative(s) | Barlow, Michael Thomas, et al BP INTERNATIONAL LIMITED Patents & Agreements Division Chertsey Road Sunbury-on-Thames Middlesex TW16 7LN / GB | [N/P] |
| Former [1990/41] | Barlow, Michael Thomas, et al BP INTERNATIONAL LIMITED Patents & Agreements Division Chertsey Road Sunbury-on-Thames Middlesex TW16 7LN / GB | Application number, filing date | 90303593.9 | 04.04.1990 | [1990/41] | Priority number, date | GB19890007763 | 06.04.1989 Original published format: GB 8907763 | GB19890018588 | 15.08.1989 Original published format: GB 8918588 | [1990/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0391680 | Date: | 10.10.1990 | Language: | EN | [1990/41] | Type: | B1 Patent specification | No.: | EP0391680 | Date: | 15.06.1994 | Language: | EN | [1994/24] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.07.1990 | Classification | IPC: | C07C51/12, C07C53/08 | [1990/41] | CPC: |
C07C51/12 (EP,KR);
C07C53/08 (KR)
| Designated contracting states | AT, BE, DE, ES, FR, GB, IT, LU, NL, SE [1990/41] | Title | German: | Verfahren zur Herstellung von Carbonsäuren | [1990/41] | English: | Process for preparing carboxylic acids | [1990/41] | French: | Procédé de préparation d'acides carboxyliques | [1990/41] | Examination procedure | 13.12.1990 | Examination requested [1991/06] | 13.07.1992 | Despatch of a communication from the examining division (Time limit: M04) | 18.11.1992 | Reply to a communication from the examining division | 08.02.1993 | Despatch of a communication from the examining division (Time limit: M04) | 25.05.1993 | Reply to a communication from the examining division | 09.07.1993 | Despatch of communication of intention to grant (Approval: Yes) | 11.10.1993 | Communication of intention to grant the patent | 28.10.1993 | Fee for grant paid | 28.10.1993 | Fee for publishing/printing paid | Opposition(s) | 16.03.1995 | No opposition filed within time limit [1995/23] | Fees paid | Renewal fee | 23.03.1992 | Renewal fee patent year 03 | 17.03.1993 | Renewal fee patent year 04 | 23.03.1994 | 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. | Lapses during opposition Tooltip | AT | 15.06.1994 | [1997/17] |
| Former [1995/15] | AT | 15.06.1994 | |