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EP0000396
European procedure
Extract from the Register of European Patents
EP About this file: EP0000396
| EP0000396 - Process for the preparation of flame retardant polycarbonates [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 01.04.2026 | 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] | Inventor(s) | 01 /
Margotte, Dieter, Dr. Wedelstrasse 48 D-4150 Krefeld 1 / DE | [N/P] | Application number, filing date | 78100379.3 | 12.07.1978 | Priority number, date | DE19772732556 | 19.07.1977 Original published format: DE 2732556 | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0000396 | Date: | 24.01.1979 | Language: | DE | [N/P] | Type: | B1 Patent specification | No.: | EP0000396 | Date: | 23.07.1980 | Language: | DE | [1980/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.10.1978 | Classification | IPC: | C08G63/62, C08G63/68 | [1980/15] | CPC: |
C08G64/14 (EP,US);
C08G64/06 (EP,US);
Y10S260/24 (EP)
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| Former IPC [1980/15] | C08G63/68 | Designated contracting states | DE, FR, GB, NL | Title | German: | Verfahren zur Herstellung von flammhemmenden Polycarbonaten | English: | Process for the preparation of flame retardant polycarbonates | French: | Procédé de préparation de polycarbonates ignifugés | File destroyed: | 12.06.1999 | Examination procedure | 12.07.1978 | Examination requested | 29.06.1979 | Despatch of a communication from the examining division (Time limit: M03) | 27.07.1979 | Reply to a communication from the examining division | 16.08.1979 | Communication of intention to grant the patent | 10.10.1979 | Fee for grant paid | 10.10.1979 | Fee for publishing/printing paid | Opposition(s) | 02.03.1982 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 27.06.1980 | 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 | [A] FR1311130 (TEIKOKU JINZO KENSHI KK et al.) | [A] US4020045 (BAGGETT JOSEPH M et al.) |