EP0470753 - Alkoxy-functional organopolysiloxanes and processes for preparing them [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 17.04.1998 Database last updated on 31.08.2024 | Most recent event Tooltip | 17.04.1998 | No opposition filed within time limit | published on 03.06.1998 [1998/23] | Applicant(s) | For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo / JP | [N/P] |
Former [1992/07] | For all designated states SHIN-ETSU CHEMICAL CO., LTD. 6-1, Ohtemachi 2-chome Chiyoda-ku Tokyo / JP | Inventor(s) | 01 /
Arai, Masatoshi 11-11, Isobe 4-chome Annaka-shi, Gunma-ken / JP | [1992/07] | Representative(s) | Stoner, Gerard Patrick, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
Former [1992/07] | Stoner, Gerard Patrick, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 91306972.0 | 30.07.1991 | [1992/07] | Priority number, date | JP19900209600 | 08.08.1990 Original published format: JP 20960090 | [1992/07] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0470753 | Date: | 12.02.1992 | Language: | EN | [1992/07] | Type: | A3 Search report | No.: | EP0470753 | Date: | 23.09.1992 | Language: | EN | [1992/39] | Type: | B1 Patent specification | No.: | EP0470753 | Date: | 11.06.1997 | Language: | EN | [1997/24] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.08.1992 | Classification | IPC: | C08G77/38 | [1992/07] | CPC: |
C07F7/0838 (EP,US);
C07F7/0874 (EP,US);
C08G77/045 (EP,US);
C08G77/18 (EP,US)
| Designated contracting states | DE, FR, GB [1992/07] | Title | German: | Alkoxyfunktionelle Organopolysiloxane und Verfahren zu ihrer Herstellung | [1992/07] | English: | Alkoxy-functional organopolysiloxanes and processes for preparing them | [1992/07] | French: | Organopolysiloxanes à fonction alcoxy et leurs procédés de préparation | [1992/07] | Examination procedure | 08.02.1993 | Examination requested [1993/15] | 18.03.1996 | Despatch of a communication from the examining division (Time limit: M06) | 02.08.1996 | Reply to a communication from the examining division | 29.10.1996 | Despatch of communication of intention to grant (Approval: Yes) | 12.12.1996 | Communication of intention to grant the patent | 03.03.1997 | Fee for grant paid | 03.03.1997 | Fee for publishing/printing paid | Opposition(s) | 12.03.1998 | No opposition filed within time limit [1998/23] | Fees paid | Renewal fee | 26.07.1993 | Renewal fee patent year 03 | 22.07.1994 | Renewal fee patent year 04 | 21.07.1995 | Renewal fee patent year 05 | 23.07.1996 | 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. | Documents cited: | Search | [A]US3755070 (BEY A, et al); | [X]EP0354138 (RHONE POULENC CHIMIE [FR]) |