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EP1510520
European procedure
Extract from the Register of European Patents
EP About this file: EP1510520
| EP1510520 - Preparation of branched siloxane [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 01.06.2007 Database last updated on 14.03.2026 | Most recent event Tooltip | 01.06.2007 | No opposition filed within time limit | published on 04.07.2007 [2007/27] | Applicant(s) | For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP | [2006/30] |
| Former [2005/09] | For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Kubota, Yasufumi c/o Specialty Chem Research Cntr Shin-Etsu Chem. Co 28-1, Oaza Nishi Fukushima Kubiki-mura Nakakubiki-gun Niigata-ken / JP | 02 /
Kubota, Tohru c/o Specialty Chem Reasearch Cntr Shin Etsu Chem. Co 28-1, Oaza Nishi Fukushima Kubiki-mura Nakakubiki-gun Niigata-ken / JP | [2005/09] | Representative(s) | Stoner, Gerard Patrick, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [2005/09] | Stoner, Gerard Patrick, et al Mewburn Ellis LLP York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 04255180.4 | 27.08.2004 | [2005/09] | Priority number, date | JP20030303849 | 28.08.2003 Original published format: JP 2003303849 | [2005/09] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP1510520 | Date: | 02.03.2005 | Language: | EN | [2005/09] | Type: | B1 Patent specification | No.: | EP1510520 | Date: | 26.07.2006 | Language: | EN | [2006/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.12.2004 | Classification | IPC: | C07F7/20, C07F7/08 | [2005/09] | CPC: |
C07F7/20 (EP,US);
C07F7/0874 (EP,US)
| Designated contracting states | DE, FR, GB [2005/47] |
| Former [2005/09] | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LI, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR | Title | German: | Herstellung verzweigter Siloxane | [2005/09] | English: | Preparation of branched siloxane | [2005/09] | French: | Préparation des siloxanes ramifiés | [2005/09] | Examination procedure | 09.06.2005 | Examination requested [2005/32] | 24.01.2006 | Communication of intention to grant the patent | 22.05.2006 | Fee for grant paid | 22.05.2006 | Fee for publishing/printing paid | Opposition(s) | 27.04.2007 | No opposition filed within time limit [2007/27] |
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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 | [DA] JPH11217389 (DOW CORNING TORAY SILICONE et al.) | [DA] DATABASE CA [online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; OHKAWA, TADASHI: "Preparation of silicones having siloxy-group", XP002309579, retrieved from STN Database accession no. 131:144711 [DA] 1 * abstract * |