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EP0300103
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EP About this file: EP0300103
| EP0300103 - Wax crystal modification using dewaxing aids under agitated conditions [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 10.09.1992 Database last updated on 26.07.2024 | Most recent event Tooltip | 10.09.1992 | No opposition filed within time limit | published on 28.10.1992 [1992/44] | 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 [1989/04] | 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 /
West, Theodore Harvey 2047 Blackwell Road Sarnia Ontario N7T 7H4 / CA | [1989/04] | 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 [1989/04] | 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 | 87306510.6 | 23.07.1987 | [1989/04] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0300103 | Date: | 25.01.1989 | Language: | EN | [1989/04] | Type: | B1 Patent specification | No.: | EP0300103 | Date: | 06.11.1991 | Language: | EN | [1991/45] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.04.1988 | Classification | IPC: | C10G73/32 | [1989/04] | CPC: |
C10G73/04 (EP);
C10G73/32 (EP)
| Designated contracting states | FR, GB, IT [1989/04] | Title | German: | Wachskristallveränderung durch die Verwendung von entwachsenden Hilfsmitteln unter besonderen Rührverhältnissen | [1989/04] | English: | Wax crystal modification using dewaxing aids under agitated conditions | [1989/04] | French: | Modification des cristaux de cire en utilisant des auxiliaires de déparaffinage sous certaines conditions d'agitation | [1989/04] | Examination procedure | 17.07.1989 | Examination requested [1989/37] | 09.04.1990 | Despatch of a communication from the examining division (Time limit: M06) | 29.09.1990 | Reply to a communication from the examining division | 26.11.1990 | Despatch of communication of intention to grant (Approval: Yes) | 09.04.1991 | Communication of intention to grant the patent | 03.06.1991 | Fee for grant paid | 03.06.1991 | Fee for publishing/printing paid | Opposition(s) | 07.08.1992 | No opposition filed within time limit [1992/44] | Fees paid | Renewal fee | 30.06.1989 | Renewal fee patent year 03 | 28.06.1990 | Renewal fee patent year 04 | 20.06.1991 | Renewal fee patent year 05 |
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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. | Documents cited: | Search | [E]US4695363 ; | [E]EP0247762 ; | [Y]EP0107917 ; | [Y]US3393144 ; | [Y]US2036966 ; | [A]GB2152527 ; | [A]US2903411 ; | [A]US1871172 ; | [A]EP0013150 ; | [A]US1892283 (MANLEY ROBERT E); | [A]USRE19869E ; | [A]US1867580 |