EP0025822 - Process for preparing polysiloxane-polyoxyalkylene copolymers and their use in preparing polyurethane foams [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 03.09.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
Former [1981/13] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
de Montigny, Armand, Dr. Walter-Flex-Strasse 17 D-5090 Leverkusen / DE | 02 /
Illger, Hans-Walter, Dr. Im Tentenfeld 27 D-5064 Rösrath / DE | 03 /
Gonzalez-Dörner, Alberto C., Dr. c/o Metzeler INESPO Ctra. B-142 a Sentmenat Km. 6 Polinya Barcelona / ES | 04 /
Moretto, Hans-Heinrich, Dr. Formesstrasse 13 D-5000 Köln 80 / DE | [1981/13] | Application number, filing date | 80103842.3 | 07.07.1980 | [1981/13] | Priority number, date | DE19792929588 | 21.07.1979 Original published format: DE 2929588 | [1981/13] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0025822 | Date: | 01.04.1981 | Language: | DE | [1981/13] | Type: | A3 Search report | No.: | EP0025822 | Date: | 08.07.1981 | Language: | DE | [1981/27] | Type: | B1 Patent specification | No.: | EP0025822 | Date: | 22.12.1982 | Language: | DE | [1982/51] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.05.1981 | Classification | IPC: | C08G77/46, C08G81/00, C08J9/00, C08L75/04 | [1981/25] | CPC: |
C08G77/46 (EP,US);
C08J9/0061 (EP,US);
C08J2375/04 (EP,US);
C08J2483/00 (EP,US)
|
Former IPC [1981/13] | C08G77/46, C08G81/00, C08G18/61 | Designated contracting states | BE, DE, FR, GB, IT, NL [1981/13] | Title | German: | Verfahren zur Herstellung von Polysiloxan-Polyoxyalkylen-Mischpolymerisaten und deren Verwendung bei der Herstellung von Polyurethan-Schaumstoffen | [1981/13] | English: | Process for preparing polysiloxane-polyoxyalkylene copolymers and their use in preparing polyurethane foams | [1981/13] | French: | Procédé de préparation de copolymères polysiloxane-polyoxyalcylène et leur utilisation dans la préparation de mousses de polyuréthane | [1981/13] | Examination procedure | 07.07.1980 | Examination requested [1981/13] | 05.04.1982 | Despatch of communication of intention to grant (Approval: ) | 28.06.1982 | Communication of intention to grant the patent | 05.07.1982 | Fee for grant paid | 05.07.1982 | Fee for publishing/printing paid | Opposition(s) | 22.09.1983 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 15.07.1982 | Renewal fee patent year 03 |
Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
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 | [AD]DE2802668 (BAYER AG); | [A]DE1545110 (UNION CARBIDE CORP) |