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EP0273520
European procedure
Extract from the Register of European Patents
EP About this file: EP0273520
| EP0273520 - A composition comprising a polyepoxide and a epoxy advancement catalyst, and a process for preparing advanced epoxy resins [Right-click to bookmark this link] | |||
| Former [1988/27] | A composition comprising a polyepoxide and a epoxy fusion catalyst, and a process for preparing fused epoxy resins | ||
| [1993/38] | Status | No opposition filed within time limit Status updated on 23.07.1994 Database last updated on 21.03.2026 | Most recent event Tooltip | 12.10.1994 | Lapse of the patent in a contracting state | published on 30.11.1994 [1994/48] | Applicant(s) | For all designated states Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 2596 HR Den Haag / NL | [N/P] |
| Former [1988/27] | For all designated states SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Carel van Bylandtlaan 30 NL-2596 HR Den Haag / NL | Inventor(s) | 01 /
Jackson, Roy Joseph 2323 Briar Lee Drive Houston Texas 77077 / US | 02 /
Corley, Larry Steven 6807 San Pablo Drive Houston Texas 77083 / US | [1988/27] | Representative(s) | (deleted) | [1992/05] |
| Former [1991/34] | Tuijn, Jan Warnaar, et al Shell Internationale Research Maatschappij B.V. Intellectual Property Division P.O. Box 162 NL-2501 AN Den Haag / NL | ||
| Former [1988/27] | Aalbers, Onno P.O. Box 162 NL-2501 AN The Hague / NL | Application number, filing date | 87202565.5 | 16.12.1987 | [1988/27] | Priority number, date | US19860947723 | 30.12.1986 Original published format: US 947723 | [1988/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0273520 | Date: | 06.07.1988 | Language: | EN | [1988/27] | Type: | A3 Search report | No.: | EP0273520 | Date: | 26.07.1989 | Language: | EN | [1989/30] | Type: | B1 Patent specification | No.: | EP0273520 | Date: | 22.09.1993 | Language: | EN | [1993/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.06.1989 | Classification | IPC: | C08G59/18, C08G59/68, C08G59/62, C08G59/42 | [1988/27] | CPC: |
C08G59/688 (EP,US);
C08L63/00 (KR);
C08G59/04 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1988/27] | Title | German: | Eine Zusammensetzung enthaltend ein Polyepoxyd und ein Katalysator für Epoxydvorverlängerungsverfahren, und ein Verfahren zur Herstellung von vorverlängerten Epoxydharzen | [1993/38] | English: | A composition comprising a polyepoxide and a epoxy advancement catalyst, and a process for preparing advanced epoxy resins | [1993/38] | French: | Une composition comprenant un polyepoxyde et un catalyseur pour procédé par prepolymérisation pour résine époxyde, et un procédé pour préparer des résines epoxydes prepolymérisées | [1993/38] |
| Former [1988/27] | Eine Zusammensetzung enthaltend ein Polyepoxyd und ein Katalysator für Epoxydschmelzverfahren, und ein Verfahren zur Herstellung von geschmolzenen Epoxydharzen | ||
| Former [1988/27] | A composition comprising a polyepoxide and a epoxy fusion catalyst, and a process for preparing fused epoxy resins | ||
| Former [1988/27] | Une composition comprenant un polyepoxyde et un catalyseur pour procédé par fusion pour résine époxyde, et un procédé pour préparer des résines epoxydes fondues | Examination procedure | 24.11.1989 | Examination requested [1990/03] | 28.08.1991 | Despatch of a communication from the examining division (Time limit: M04) | 27.12.1991 | Reply to a communication from the examining division | 30.03.1992 | Despatch of a communication from the examining division (Time limit: M04) | 04.08.1992 | Reply to a communication from the examining division | 27.01.1993 | Despatch of communication of intention to grant (Approval: No) | 15.03.1993 | Despatch of communication of intention to grant (Approval: later approval) | 23.03.1993 | Communication of intention to grant the patent | 25.05.1993 | Fee for grant paid | 25.05.1993 | Fee for publishing/printing paid | Opposition(s) | 23.06.1994 | No opposition filed within time limit [1994/37] | Fees paid | Renewal fee | 04.11.1989 | Renewal fee patent year 03 | 06.11.1990 | Renewal fee patent year 04 | 05.11.1991 | Renewal fee patent year 05 | 21.12.1992 | Renewal fee patent year 06 |
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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. | Lapses during opposition Tooltip | CH | 31.12.1993 | LI | 31.12.1993 | [1994/48] | Documents cited: | Search | [A] MAKROMOLECULAR CHEMISTRY [A] | Examination | MAKROMOLECULAR CHEMISTRY, vol. 184, 1983, pages 811-819;Biela, T. et al.: "Kinetic Determination of Stereoselectivity in the Anionic Polymerization of alpha-Ethyl-alpha-phenyl-beta-propiolactone" [A] |