-
EP0731072
European procedure
Extract from the Register of European Patents
EP About this file: EP0731072
| EP0731072 - Isomerized linear alkylaryl sulphonates, useful as additives for lubricating oils and corresponding alkylaryl hydrocarbons [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 07.04.2000 Database last updated on 22.08.2024 | Most recent event Tooltip | 07.04.2000 | No opposition filed within time limit | published on 24.05.2000 [2000/21] | Applicant(s) | For all designated states Chevron Chemical S.A. 47, rue de Villiers 92527 Neuilly-sur-Seine Cédex / FR | [N/P] |
| Former [1996/37] | For all designated states Chevron Chemical S.A. 47, rue de Villiers F-92527 Neuilly-sur-Seine Cédex / FR | Inventor(s) | 01 /
Le Coent, Jean-Louis 80 rue Général Rouelle 76620 Le Havre / FR | [1996/37] | Representative(s) | Santarelli, Marc, et al Santarelli 14 Avenue de la Grande Armée 75017 Paris / FR | [N/P] |
| Former [1996/37] | Santarelli, Marc, et al Cabinet Rinuy et Santarelli 14, avenue de la Grande Armée 75017 Paris / FR | Application number, filing date | 96400455.0 | 04.03.1996 | [1996/37] | Priority number, date | FR19950002709 | 08.03.1995 Original published format: FR 9502709 | [1996/37] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0731072 | Date: | 11.09.1996 | Language: | EN | [1996/37] | Type: | B1 Patent specification | No.: | EP0731072 | Date: | 02.06.1999 | Language: | EN | [1999/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.07.1996 | Classification | IPC: | C07C15/107, C07C309/31, C07G17/00, C10M159/24 | [1996/37] | CPC: |
C10M159/24 (EP,US);
C07G99/0022 (EP,US)
| Designated contracting states | DE, FR, GB, NL [1996/37] | Title | German: | Als Schmieröladditive geeignete isomerisierte geradkettige Alkylarylsulfonate und ihre Alkylaryl-Zwischenprodukte | [1996/37] | English: | Isomerized linear alkylaryl sulphonates, useful as additives for lubricating oils and corresponding alkylaryl hydrocarbons | [1996/37] | French: | Alkylaryl-sulfonates linéaires isomérisés utiles comme additifs pour huiles lubrifiantes et hydrocarbures alkylaryliques intermédiaires | [1996/37] | Examination procedure | 17.02.1997 | Examination requested [1997/16] | 16.07.1998 | Despatch of communication of intention to grant (Approval: Yes) | 24.09.1998 | Communication of intention to grant the patent | 19.11.1998 | Fee for grant paid | 19.11.1998 | Fee for publishing/printing paid | Opposition(s) | 03.03.2000 | No opposition filed within time limit [2000/21] | Fees paid | Renewal fee | 05.03.1998 | Renewal fee patent year 03 | 04.03.1999 | Renewal fee patent year 04 |
| 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 | [XA]GB1041491 (CHEVRON RES) [X] 7-10 * page 1, line 78 - line 84 * * page 2, line 5 - line 12 * * page 2, line 25 - line 31 * * page 2, line 99 - line 103 * [A] 1-4; | [A]US3764533 (HUNT M, et al) [A] 1-4 * abstract * * column 7, line 30 - line 45 * * column 10, line 19 - line 39 *; | [DA]EP0001318 (EXXON RESEARCH ENGINEERING CO [US]) [DA] 1,4-6,13,16,17* page 2, line 55 - page 3, line 71 *; | [A]EP0354621 (SHELL INT RESEARCH [NL]) [A] 1,4,5,13,16,17 * page 3, line 41 - page 4, line 27 *; | [A]WO9405748 (CHEVRON RES & TECH [US]) [A] 1,5,6 * page 16, line 8 - line 21 * * page 23, line 24 - page 24, line 8 *; | [DA]US5320762 (CAMPBELL CURTIS B [US]) [DA] 13-15 * column 9, line 53 - column 10, line 10 * * column 11, line 21 - line 35 * |