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EP0232734
European procedure
Extract from the Register of European Patents
EP About this file: EP0232734
| EP0232734 - Use of 3-benzalphthalides as UV stabilizers for thermoplastic, aromatic polyesters, polycarbonates and polyester carbonates [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 02.02.1991 Database last updated on 19.10.2024 | Most recent event Tooltip | 02.02.1991 | No opposition filed within time limit | published on 27.03.1991 [1991/13] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1987/34] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Scholl, Thomas, Dr. Witzfeldstrasse 47a D-4005 Meerbusch 1 / DE | 02 /
Serini, Volker, Dr. Sebastian-Kneipp-Weg 2 D-4150 Krefeld / DE | 03 /
Rathmann, Dietrich, Dr. Alte Landstrasse 119 D-5090 Leverkusen / DE | 04 /
Savage, Ross 111 East Street Newtownard Co. Down, BT 23 3DE Northern Ireland / GB | 05 /
Kircher, Klaus, Dr. Alfred-Kubin-Strasse 3 D-5090 Leverkusen 1 / DE | [1987/34] | Application number, filing date | 87100388.5 | 14.01.1987 | [1987/34] | Priority number, date | DE19863601900 | 23.01.1986 Original published format: DE 3601900 | [1987/34] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0232734 | Date: | 19.08.1987 | Language: | DE | [1987/34] | Type: | B1 Patent specification | No.: | EP0232734 | Date: | 11.04.1990 | Language: | DE | [1990/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.06.1987 | Classification | IPC: | C08K5/15, C08L67/02, C08L69/00 | [1987/34] | CPC: |
C08K5/1535 (EP,US)
| C-Set: |
C08K5/1535, C08L67/02 (EP,US);
C08K5/1535, C08L69/00 (US,EP) | Designated contracting states | DE, FR, GB, IT, NL [1987/34] | Title | German: | Verwendung von 3-Benzalphthaliden als UV -Stabilisatoren für thermoplastische, aromatische Polyester, Polycarbonate und Polyestercarbonate | [1987/34] | English: | Use of 3-benzalphthalides as UV stabilizers for thermoplastic, aromatic polyesters, polycarbonates and polyester carbonates | [1987/34] | French: | Utilisation de 3-benzalphtalides comme stabilisateurs UV pour des polyesters, des polycarbonates et des polyesters carbonates aromatiques thermoplastiques | [1987/34] | Examination procedure | 14.01.1987 | Examination requested [1987/34] | 13.03.1989 | Despatch of a communication from the examining division (Time limit: M03) | 22.03.1989 | Reply to a communication from the examining division | 12.06.1989 | Despatch of communication of intention to grant (Approval: Yes) | 23.06.1989 | Communication of intention to grant the patent | 05.08.1989 | Fee for grant paid | 05.08.1989 | Fee for publishing/printing paid | Opposition(s) | 12.01.1991 | No opposition filed within time limit [1991/13] | Fees paid | Renewal fee | 16.12.1988 | Renewal fee patent year 03 | 09.12.1989 | 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]US1941474 (JAEGER ALPHONS O) | [A] - CHEMICAL ABSTRACTS, Band 86, Nr. 18, 2. Mai 1977, Seite 30, Zusammenfassung 122191j, Columbus, Ohio, US; A.M. ISLAM et al.: "Benzalphthalimidines and related compounds. Part III. 3-(p-Nitrobenzal)phthalimidines as stabilizers for PVC" & EGYPT. J. CHEM. 1974 (PUB. 1976). 17(4), 451-62 |