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EP0181035
European procedure
Extract from the Register of European Patents
EP About this file: EP0181035
| EP0181035 - Preparation of high activity silica-supported hydrotreating catalysts and catalysts thus prepared [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 22.06.1991 Database last updated on 09.04.2026 | Most recent event Tooltip | 22.06.1991 | No opposition filed within time limit | published on 14.08.1991 [1991/33] | Applicant(s) | For all designated states Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 2596 HR Den Haag / NL | [N/P] |
| Former [1986/20] | For all designated states SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Carel van Bylandtlaan 30 NL-2596 HR Den Haag / NL | Inventor(s) | 01 /
Thompson, Mark Stewart 15830 Sierra Grande Drive Houston Texas 77083 / US | [1986/20] | Representative(s) | Aalbers, Onno, et al P.O. Box 162 2501 AN Den Haag / NL | [N/P] |
| Former [1986/20] | Aalbers, Onno, et al P.O. Box 162 NL-2501 AN The Hague / NL | Application number, filing date | 85201771.4 | 31.10.1985 | [1986/20] | Priority number, date | US19840668359 | 05.11.1984 Original published format: US 668359 | US19840668358 | 05.11.1984 Original published format: US 668358 | US19840668357 | 05.11.1984 Original published format: US 668357 | [1986/20] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0181035 | Date: | 14.05.1986 | Language: | EN | [1986/20] | Type: | A3 Search report | No.: | EP0181035 | Date: | 02.12.1987 | Language: | EN | [1987/49] | Type: | B1 Patent specification | No.: | EP0181035 | Date: | 22.08.1990 | Language: | EN | [1990/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.10.1987 | Classification | IPC: | B01J23/88, C10G45/08 | [1986/20] | CPC: |
C10G45/08 (EP);
B01J23/88 (EP);
B01J37/0203 (EP);
B01J21/08 (EP);
B01J31/0254 (EP);
B01J37/20 (EP)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1986/20] | Title | German: | Herstellung von hochaktiven Wasserstoffbehandlungskatalysatoren mit Kieselsäureträger und die so erhaltenen Katalysatoren | [1986/20] | English: | Preparation of high activity silica-supported hydrotreating catalysts and catalysts thus prepared | [1986/20] | French: | Préparation de catalyseur d'hydrotraitement à haute activité sur support de silice et catalyseurs ainsi obtenus | [1986/20] | Examination procedure | 03.05.1988 | Examination requested [1988/27] | 12.04.1989 | Despatch of a communication from the examining division (Time limit: M04) | 17.07.1989 | Reply to a communication from the examining division | 09.10.1989 | Despatch of communication of intention to grant (Approval: Yes) | 10.11.1989 | Communication of intention to grant the patent | 02.02.1990 | Fee for grant paid | 02.02.1990 | Fee for publishing/printing paid | Opposition(s) | 23.05.1991 | No opposition filed within time limit [1991/33] | Fees paid | Renewal fee | 22.08.1987 | Renewal fee patent year 03 | 20.08.1988 | Renewal fee patent year 04 | 24.08.1989 | Renewal fee patent year 05 |
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