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EP0444859
European procedure
Extract from the Register of European Patents
EP About this file: EP0444859
| EP0444859 - Process and apparatus for controlling a fluid catalytic craking unit [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.03.1996 Database last updated on 07.03.2026 | 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 [1991/36] | 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 /
Sabottke, Craig Young 36 Skyline Drive Morristown, NJ / US | [1995/20] |
| Former [1991/36] | 01 /
Sabottke, Craig Young 36 Skyline Drive Morristown, New Jersey / US | Representative(s) | Somers, Harold Arnold, et al ESSO Engineering (Europe) Ltd. Patents & Licences Mailpoint 12 Esso House, Ermyn Way Leatherhead, Surrey KT22 8XE / GB | [N/P] |
| Former [1991/36] | Somers, Harold Arnold, et al ESSO Engineering (Europe) Ltd. Patents & Licences Mailpoint 72 Esso House Ermyn Way Leatherhead, Surrey KT22 8XE / GB | Application number, filing date | 91301510.3 | 26.02.1991 | [1991/36] | Priority number, date | US19900485701 | 27.02.1990 Original published format: US 485701 | US19900486046 | 27.02.1990 Original published format: US 486046 | [1991/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0444859 | Date: | 04.09.1991 | Language: | EN | [1991/36] | Type: | B1 Patent specification | No.: | EP0444859 | Date: | 17.05.1995 | Language: | EN | [1995/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.06.1991 | Classification | IPC: | C10G11/18, B01J8/18 | [1991/36] | CPC: |
B01J8/1809 (EP);
C10G11/187 (EP)
| Designated contracting states | BE, DE, ES, FR, GB, GR, IT, NL [1991/36] | Title | German: | Verfahren und Einrichtung zur Steuerung einer katalytischen Wirbelschicht-Krackanlage | [1991/36] | English: | Process and apparatus for controlling a fluid catalytic craking unit | [1991/36] | French: | Procédé et dispositif pour contrôler une unité de craquage catalytique fluidisé | [1991/36] | Examination procedure | 19.02.1992 | Examination requested [1992/17] | 13.10.1992 | Despatch of a communication from the examining division (Time limit: M04) | 21.02.1994 | Despatch of a communication from the examining division (Time limit: M06) | 27.06.1994 | Reply to a communication from the examining division | 28.07.1994 | Despatch of communication of intention to grant (Approval: Yes) | 18.11.1994 | Communication of intention to grant the patent | 01.02.1995 | Fee for grant paid | 01.02.1995 | Fee for publishing/printing paid | Opposition(s) | 20.02.1996 | No opposition filed within time limit [1996/19] | Fees paid | Renewal fee | 27.01.1993 | Renewal fee patent year 03 | 27.01.1994 | Renewal fee patent year 04 | 18.01.1995 | Renewal fee patent year 05 |
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