| EP0135962 - Process for the preparation of branched polymers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 01.03.1988 Database last updated on 11.04.2026 | Most recent event Tooltip | 01.03.1988 | No opposition filed within time limit | published on 20.04.1988 [1988/16] | Applicant(s) | For all designated states Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 2596 HR Den Haag / NL | [N/P] |
| Former [1985/14] | For all designated states SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. Carel van Bylandtlaan 30 NL-2596 HR Den Haag / NL | Inventor(s) | 01 /
Broekhuis, Antonius Augustinus Badhuisweg 3 NL-1031 CM Amsterdam / NL | [1985/14] | Representative(s) | Aalbers, Onno, et al P.O. Box 162 2501 AN Den Haag / NL | [N/P] |
| Former [1985/14] | Aalbers, Onno, et al P.O. Box 162 NL-2501 AN The Hague / NL | Application number, filing date | 84201255.1 | 29.08.1984 | [1985/14] | Priority number, date | GB19830026014 | 28.09.1983 Original published format: GB 8326014 | [1985/14] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0135962 | Date: | 03.04.1985 | Language: | EN | [1985/14] | Type: | A3 Search report | No.: | EP0135962 | Date: | 15.05.1985 | Language: | EN | [1985/20] | Type: | B1 Patent specification | No.: | EP0135962 | Date: | 29.04.1987 | Language: | EN | [1987/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.03.1985 | Classification | IPC: | C08F297/04, C08G81/02, C08C19/44 | [1985/14] | CPC: |
C08G81/022 (EP,US);
C08C19/44 (EP,US);
C08F297/044 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1985/14] | Title | German: | Verfahren zur Herstellung von verzweigten Polymeren | [1985/25] | English: | Process for the preparation of branched polymers | [1985/14] | French: | Procédé de préparation de polymères ramifiés | [1985/25] | Examination procedure | 29.08.1984 | Examination requested [1985/14] | 10.07.1986 | Despatch of communication of intention to grant (Approval: ) | 23.10.1986 | Communication of intention to grant the patent | 15.12.1986 | Fee for grant paid | 15.12.1986 | Fee for publishing/printing paid | Opposition(s) | 30.01.1988 | No opposition filed within time limit [1988/16] | Fees paid | Renewal fee | 30.06.1986 | Renewal fee patent year 03 |
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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 | [YD] JP7867791 | [YD] CHEMICAL ABSTRACTS, vol. 89, no. 16, 16th October 1978, page 63, no. 130792h, Columbus, Ohio, US; & JP - A - 78 67 791 (DENKI KAGAKU KOGYO K.K.) 16-06-1978 [YD] |