EP0467429 - Removal of hydrogenation catalyst from polymer solutions by catalyzed precipitation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 05.07.1996 Database last updated on 31.08.2024 | Most recent event Tooltip | 05.07.1996 | No opposition filed within time limit | published on 21.08.1996 [1996/34] | Applicant(s) | For all designated states Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 2596 HR Den Haag / NL | [N/P] |
Former [1992/04] | For all designated states SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Carel van Bylandtlaan 30 NL-2596 HR Den Haag / NL | Inventor(s) | 01 /
Diaz, Zaida 12106 Meadow Lake Houston, Texas 77077 / US | 02 /
Gibler, Carma Joleen 410 Southchester Houston, Texas 77079 / US | [1992/04] | Application number, filing date | 91201453.7 | 12.06.1991 | [1992/04] | Priority number, date | US19900537738 | 14.06.1990 Original published format: US 537738 | [1992/04] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0467429 | Date: | 22.01.1992 | Language: | EN | [1992/04] | Type: | A3 Search report | No.: | EP0467429 | Date: | 26.08.1992 | Language: | EN | [1992/35] | Type: | B1 Patent specification | No.: | EP0467429 | Date: | 30.08.1995 | Language: | EN | [1995/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.07.1992 | Classification | IPC: | C08C2/06, C08F6/08, C08C2/04 | [1992/35] | CPC: |
C08C2/04 (EP,US);
C08F4/00 (KR)
|
Former IPC [1992/04] | C08C2/06, C08F6/08 | Designated contracting states | BE, DE, ES, FR, GB, IT, NL [1992/04] | Title | German: | Entfernung von Hydrierkatalysatoren aus Polymerlösungen durch katalytische Präzipitation | [1992/04] | English: | Removal of hydrogenation catalyst from polymer solutions by catalyzed precipitation | [1992/04] | French: | Elimination du catalyseur d'hydrogénation de solutions de polymères par précipitation catalytique | [1992/04] | Examination procedure | 15.12.1992 | Examination requested [1993/06] | 10.06.1994 | Despatch of a communication from the examining division (Time limit: M04) | 10.10.1994 | Reply to a communication from the examining division | 23.12.1994 | Despatch of communication of intention to grant (Approval: Yes) | 02.02.1995 | Communication of intention to grant the patent | 18.04.1995 | Fee for grant paid | 18.04.1995 | Fee for publishing/printing paid | Opposition(s) | 31.05.1996 | No opposition filed within time limit [1996/34] | Fees paid | Renewal fee | 18.06.1993 | Renewal fee patent year 03 | 27.06.1994 | Renewal fee patent year 04 | 27.06.1995 | 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 | [Y]JP45027321B ; | [Y]DE3346888 (NIPPON ZEON CO [JP]) | [Y] - DATABASE WPI, accession no. 70-63152R [35], Derwent Publications Ltd, London, GB; & JP-B-45 027 321 (NIPPON SYNTH. CHEM.), & JP45027321B B 00000000 |