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EP0014872
European procedure
Extract from the Register of European Patents
EP About this file: EP0014872
| EP0014872 - Blends of polypropylene and liquid saturated polydiorganosiloxanes [Right-click to bookmark this link] | Status | Patent revoked Status updated on 14.10.1983 Database last updated on 03.09.2024 | Most recent event Tooltip | 14.10.1983 | Revocation of patent | published on 14.12.1983 [1983/50] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1980/18] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Grigo, Ulrich, Dr. Steinstrasse 161 D-4150 Krefeld / DE | 02 /
Morbitzer, Leo, Dr. Rungestrasse 50 D-5000 Köln 80 / DE | 03 /
Arlt, Klaus-Peter, Dr. Anton-Aulke-Ring 9 D-4401 Senden/Münster / DE | 04 /
Binsack, Rudolf, Dr. Bethelstrasse 4a D-4150 Krefeld / DE | 05 /
Merten, Josef, Dr. An der Blankstrasse 33a D-4052 Korschenbroich 1 / DE | [1980/18] | Application number, filing date | 80100502.6 | 01.02.1980 | [1980/18] | Priority number, date | DE19792905357 | 13.02.1979 Original published format: DE 2905357 | [1980/18] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0014872 | Date: | 03.09.1980 | Language: | DE | [1980/18] | Type: | B1 Patent specification | No.: | EP0014872 | Date: | 23.06.1982 | Language: | DE | [1982/25] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.07.1980 | Classification | IPC: | C08L23/12 | [1980/18] | CPC: |
C08L23/12 (EP,US);
C08L83/04 (EP,US)
| C-Set: |
C08L23/12, C08L83/00 (US,EP);
C08L23/12, C08L83/04 (EP,US) | Designated contracting states | DE, FR, GB, IT [1980/18] | Title | German: | Mischungen aus Polypropylen und flüssigen, gesättigten Diorganopolysiloxanen | [1980/18] | English: | Blends of polypropylene and liquid saturated polydiorganosiloxanes | [1980/18] | French: | Mélanges de polypropylène et de diorganopolysiloxanes saturés liquides | [1980/18] | File destroyed: | 18.06.1989 | Examination procedure | 01.02.1980 | Examination requested [1980/18] | 23.03.1981 | Despatch of a communication from the examining division (Time limit: M04) | 08.04.1981 | Reply to a communication from the examining division | 17.09.1981 | Despatch of communication of intention to grant (Approval: ) | 15.12.1981 | Communication of intention to grant the patent | 23.12.1981 | Fee for grant paid | 23.12.1981 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
20.01.1983
17.02.1983
ADMISSIBLE WACKER-CHEMIE GMBH Hans-Seidel-Platz 4 D-81737 München / DE | [1983/14] | 14.04.1983 | Invitation to proprietor to file observations on the notice of opposition | 11.05.1983 | Reply of patent proprietor to notice(s) of opposition | 06.07.1983 | Despatch of communication that the patent will be revoked | 17.09.1983 | Legal effect of revocation of patent [1983/50] | Fees paid | Renewal fee | 05.02.1982 | 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 | DE1108425 [ ] (EXXON RESEARCH ENGINEERING CO); | US3865897 [ ] (FALENDER JAMES R, et al) |