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EP0562005
European procedure
Extract from the Register of European Patents
EP About this file: EP0562005
| EP0562005 - INTEGRATED SOLVENT EXTRACTION/MEMBRANE EXTRACTION WITH RETENTATE RECYCLE FOR IMPROVED RAFFINATE YIELD [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.03.1996 Database last updated on 15.06.2024 | Most recent event Tooltip | 22.03.1996 | No opposition filed within time limit | published on 08.05.1996 [1996/19] | Applicant(s) | For all designated states EXXON RESEARCH AND ENGINEERING COMPANY P.O.Box 390 180 Park Avenue Florham Park New Jersey 07932-0390 / US | [N/P] |
| Former [1993/39] | For all designated states EXXON RESEARCH AND ENGINEERING COMPANY P.O.Box 390, 180 Park Avenue Florham Park, New Jersey 07932-0390 / US | Inventor(s) | 01 /
CHEN, Tan-Jen 17806 Crossing Boulevard Baton Rouge, LA 70810 / US | 02 /
SWEET, James, Ronald 210 LSU Avenue Baton Rouge, LA 70808 / US | [1993/39] | Representative(s) | Fletcher Watts, Susan J., et al ESSO Engineering (Europe) Limited Patents and Licences Mailpoint 72 Esso House, Ermyn Way Leatherhead, Surrey KT22 8XE / GB | [N/P] |
| Former [1993/39] | Fletcher Watts, Susan J., et al ESSO Engineering (Europe) Limited, Patents and Licences, Mailpoint 72, Esso House, Ermyn Way Leatherhead, Surrey KT22 8XE / GB | Application number, filing date | 92902700.1 | 27.11.1991 | [1993/39] | WO1991US08956 | Priority number, date | US19900624807 | 05.12.1990 Original published format: US 624807 | [1993/39] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9210448 | Date: | 25.06.1992 | Language: | EN | [1992/14] | Type: | A1 Application with search report | No.: | EP0562005 | Date: | 29.09.1993 | Language: | EN | The application published by WIPO in one of the EPO official languages on 25.06.1992 takes the place of the publication of the European patent application. | [1993/39] | Type: | B1 Patent specification | No.: | EP0562005 | Date: | 17.05.1995 | Language: | EN | [1995/20] | Search report(s) | International search report - published on: | US | 25.06.1992 | (Supplementary) European search report - dispatched on: | EP | 16.09.1993 | Classification | IPC: | C07C7/00, C10G53/04, C10G31/11 | [1993/44] | CPC: |
C10G53/04 (EP,US);
C07C7/005 (EP,US);
C07C7/10 (EP,US);
C07C7/144 (EP,US);
C10G21/28 (EP,US)
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| Former IPC [1993/39] | C07C7/144, C10G31/00 | Designated contracting states | FR, GB, IT [1993/39] | Title | German: | INTEGRIERTES SOLVENT-EXTRAKTIONS/MEMBRAMEXTRAKTIONSVERFAHREN MIT RETENTATS-RECYCLING FÜR VERBESSERTE RAFFINATS-AUSBEUTEN | [1993/39] | English: | INTEGRATED SOLVENT EXTRACTION/MEMBRANE EXTRACTION WITH RETENTATE RECYCLE FOR IMPROVED RAFFINATE YIELD | [1993/39] | French: | EXTRACTION COMBINEE A MEMBRANE/AU SOLVANT AVEC RECYCLAGE DU RETENTAT POUR AMELIORER LA PRODUCTION DE RAFFINAT | [1993/39] | Entry into regional phase | 04.06.1993 | National basic fee paid | 04.06.1993 | Search fee paid | 04.06.1993 | Designation fee(s) paid | 04.06.1993 | Examination fee paid | Examination procedure | 08.06.1992 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 05.06.1993 | Examination requested [1993/39] | 30.06.1994 | Despatch of communication of intention to grant (Approval: Yes) | 07.11.1994 | Communication of intention to grant the patent | 10.01.1995 | Fee for grant paid | 10.01.1995 | Fee for publishing/printing paid | Opposition(s) | 20.02.1996 | No opposition filed within time limit [1996/19] | Fees paid | Renewal fee | 24.09.1993 | Renewal fee patent year 03 | 30.09.1994 | Renewal fee patent year 04 |
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