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EP0460015
European procedure
Extract from the Register of European Patents
EP About this file: EP0460015
| EP0460015 - SOLVENT EXTRACTION PROCESS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.08.1994 Database last updated on 08.06.2024 | Most recent event Tooltip | 20.08.1994 | No opposition filed within time limit | published on 12.10.1994 [1994/41] | Applicant(s) | For all designated states KERR-MCGEE CORPORATION Kerr-McGee Center Oklahoma City Oklahoma 73125 / US | [N/P] |
| Former [1992/12] | For all designated states KERR-MCGEE CORPORATION Kerr-McGee Center Oklahoma City Oklahoma 73125 / US | ||
| Former [1991/50] | For all designated states KERR-McGEE CHEMICAL CORPORATION Kerr-McGee Center Oklahoma City, OK 73125 / US | Inventor(s) | 01 /
NELSON, Stephen, R. 1925 Chaparral Lane Edmond, OK 73034 / US | 02 /
HOOD, Richard, L. 1305 Rockwood Drive Edmond, OK 73013 / US | [1991/50] | Representative(s) | Collier, Jeremy Austin Grey, et al J.A.KEMP & CO. 14, South Square Gray's Inn London WC1R 5LX / GB | [1991/50] | Application number, filing date | 90903529.7 | 08.02.1990 | [1991/50] | WO1990US00632 | Priority number, date | US19890315489 | 27.02.1989 Original published format: US 315489 | [1991/50] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9010048 | Date: | 07.09.1990 | Language: | EN | [1990/21] | Type: | A1 Application with search report | No.: | EP0460015 | Date: | 11.12.1991 | Language: | EN | The application published by WIPO in one of the EPO official languages on 07.09.1990 takes the place of the publication of the European patent application. | [1991/50] | Type: | B1 Patent specification | No.: | EP0460015 | Date: | 20.10.1993 | Language: | EN | [1993/42] | Search report(s) | International search report - published on: | EP | 07.09.1990 | Classification | IPC: | C10G21/00, C10G53/06 | [1991/50] | CPC: |
C10G53/06 (EP,KR,US);
C10G21/00 (KR);
C10G21/003 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1991/50] | Title | German: | LÖSUNGSMITTEL-EXTRAKTIONSVERFAHREN | [1991/50] | English: | SOLVENT EXTRACTION PROCESS | [1991/50] | French: | PROCEDE D'EXTRACTION AVEC DES SOLVANTS | [1991/50] | Entry into regional phase | 19.08.1991 | National basic fee paid | 19.08.1991 | Designation fee(s) paid | 19.08.1991 | Examination fee paid | Examination procedure | 06.09.1990 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 19.08.1991 | Examination requested [1991/50] | 19.03.1992 | Despatch of a communication from the examining division (Time limit: M06) | 24.12.1992 | Reply to a communication from the examining division | 11.03.1993 | Despatch of communication of intention to grant (Approval: Yes) | 23.04.1993 | Communication of intention to grant the patent | 15.07.1993 | Fee for grant paid | 15.07.1993 | Fee for publishing/printing paid | Opposition(s) | 21.07.1994 | No opposition filed within time limit [1994/41] | Request for further processing for: | 24.12.1992 | Request for further processing filed | 24.12.1992 | Full payment received (date of receipt of payment) Request granted | 27.01.1993 | Decision despatched | Fees paid | Renewal fee | 10.02.1992 | Renewal fee patent year 03 | 08.02.1993 | 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. | Cited in | International search | US4482453 [ ] (COOMBS DANIEL M [US], et al); | EP0246956 [ ] (TOTAL FRANCE [FR]) | Examination | - CRC Handbook of Chemistry & Physics, 60th Edition, 1979-80, page F-88 |