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EP0439777
European procedure
Extract from the Register of European Patents
EP About this file: EP0439777
| EP0439777 - Alkenyl group-containing siloxane copolymers, their preparation and use [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.07.1995 Database last updated on 26.07.2024 | Most recent event Tooltip | 08.07.1995 | No opposition filed within time limit | published on 30.08.1995 [1995/35] | Applicant(s) | For all designated states Wacker-Chemie GmbH Hanns-Seidel-Platz 4 D-81737 München / DE | [N/P] |
| Former [1994/36] | For all designated states WACKER-CHEMIE GMBH Hanns-Seidel-Platz 4 D-81737 München / DE | ||
| Former [1991/32] | For all designated states Wacker-Chemie GmbH Hanns-Seidel-Platz 4 D-81737 München / DE | Inventor(s) | 01 /
Herzig, Christian, Dr. Schröckenbauer 1 W-8221 Taching / DE | 02 /
Gilch, Doris Axöder Ring 104 W-8330 Eggenfelden / DE | [1991/32] | Application number, filing date | 90124495.4 | 18.12.1990 | [1991/32] | Priority number, date | DE19904002922 | 01.02.1990 Original published format: DE 4002922 | [1991/32] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0439777 | Date: | 07.08.1991 | Language: | DE | [1991/32] | Type: | A3 Search report | No.: | EP0439777 | Date: | 23.10.1991 | Language: | DE | [1991/43] | Type: | B1 Patent specification | No.: | EP0439777 | Date: | 07.09.1994 | Language: | DE | [1994/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.09.1991 | Classification | IPC: | C08G77/14, C08G77/38, C09D183/06, C08J3/28, C08L83/06, C08G77/48 | [1991/42] | CPC: |
C09D183/14 (EP,US);
C08G77/38 (EP,US);
C08G77/48 (EP,US);
C08L83/14 (EP,US);
Y10T428/31663 (EP,US)
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| Former IPC [1991/32] | C08G77/14, C08G77/38, C09D183/06, C08J3/28 | Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1991/32] | Title | German: | Alkenyloxygruppen aufweisende Siloxancopolymere, deren Herstellung und Verwendung | [1991/32] | English: | Alkenyl group-containing siloxane copolymers, their preparation and use | [1991/32] | French: | Copolymères siloxaniques contenant des groupes alkényle, leur préparation et utilisation | [1991/32] | Examination procedure | 18.12.1990 | Examination requested [1991/32] | 24.02.1993 | Despatch of a communication from the examining division (Time limit: M04) | 24.06.1993 | Reply to a communication from the examining division | 27.09.1993 | Despatch of communication of intention to grant (Approval: No) | 24.02.1994 | Despatch of communication of intention to grant (Approval: later approval) | 04.03.1994 | Communication of intention to grant the patent | 19.05.1994 | Fee for grant paid | 19.05.1994 | Fee for publishing/printing paid | Opposition(s) | 08.06.1995 | No opposition filed within time limit [1995/35] | Fees paid | Renewal fee | 17.12.1992 | Renewal fee patent year 03 | 16.12.1993 | Renewal fee patent year 04 |
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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]US2983745 (SPEIER JOHN L); | [A]US3197432 (LAMOREAUX HARRY F); | [AD]US4208319 (ADLER KLAUS [DE], et al); | [A]EP0247501 (UNION CARBIDE CORP [US]); | [A]EP0262806 (SHINETSU CHEMICAL CO [JP]); | [A]EP0266895 (DOW CORNING [US]); | [A]EP0278618 (DOW CORNING [US]) | [A] - EUROPEAN POLYMER JOURNAL Band 9, 1973, Seiten 1165-1171, Oxford, GB; J.-E. HERZ et al.: "Préparation et caractérisation de reticulats-modèle de polydiméthylsiloxanes" |