EP0090475 - Mesophase pitch having ellipsoidal molecules and method for making the pitch [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.01.1987 Database last updated on 31.05.2024 | Most recent event Tooltip | 20.01.1987 | No opposition filed within time limit | published on 11.03.1987 [1987/11] | Applicant(s) | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | [N/P] |
Former [1983/40] | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | Inventor(s) | 01 /
Lewis, Irwin Charles 17100 Valley Creek Drive Strongville Ohio / US | [1983/40] | Representative(s) | van der Beek, George F., et al Nederlandsch Octrooibureau Scheveningseweg 82 P.O. Box 29720 NL-2502 LS 's-Gravenhage / NL | [N/P] |
Former [1983/40] | van der Beek, George Frans, et al Nederlandsch Octrooibureau Scheveningseweg 82 P.O. Box 29720 NL-2502 LS 's-Gravenhage / NL | Application number, filing date | 83200448.5 | 29.03.1983 | [1983/40] | Priority number, date | US19820363557 | 30.03.1982 Original published format: US 363557 | [1983/40] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0090475 | Date: | 05.10.1983 | Language: | EN | [1983/40] | Type: | B1 Patent specification | No.: | EP0090475 | Date: | 19.03.1986 | Language: | EN | [1986/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.06.1983 | Classification | IPC: | C10C3/00 | [1983/40] | CPC: |
D01F9/145 (EP,US);
C10C3/00 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1983/40] | Title | German: | Mesophasepech mit elliptischen Molekülen und Verfahren zur Herstellung | [1983/40] | English: | Mesophase pitch having ellipsoidal molecules and method for making the pitch | [1983/40] | French: | Brai mésophase ayant des molécules elliptiques et procédé pour le produire | [1983/40] | Examination procedure | 10.10.1983 | Examination requested [1983/51] | 13.08.1984 | Despatch of a communication from the examining division (Time limit: M04) | 06.12.1984 | Reply to a communication from the examining division | 09.05.1985 | Despatch of communication of intention to grant (Approval: ) | 22.08.1985 | Communication of intention to grant the patent | 12.11.1985 | Fee for grant paid | 12.11.1985 | Fee for publishing/printing paid | Opposition(s) | 20.12.1986 | No opposition filed within time limit [1987/11] | Fees paid | Renewal fee | 07.12.1984 | Renewal fee patent year 03 | 02.01.1986 | 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 | [A]US3574653 (EDSTROM THEODORE, et al); | [A]DE2818528 (FITZER ERICH PROF DR); | [A]EP0016661 (EXXON RESEARCH ENGINEERING CO [US]); | [AD]US4317809 (LEWIS IRWIN C, et al) | [AD] - JOURNAL OF ORGANIC CHEMISTRY, vol. 29, January 1964, pages 100-103, American Chemical Society, Easton, P.A., USA |