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EP0056578
European procedure
Extract from the Register of European Patents
EP About this file: EP0056578
| EP0056578 - Process for the manufacture of cationic azodye solutions [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 12.02.1985 Database last updated on 11.04.2026 | Most recent event Tooltip | 12.02.1985 | No opposition filed within time limit | published on 17.04.1985 [1985/16] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1982/30] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Linhart, Karl, Dr. Heymannstrasse 65 D-5090 Leverkusen 1 / DE | 02 /
Gleinig, Harald, Dr. Eichholzer Weg 100 D-5068 Odenthal / DE | 03 /
Boehmke, Günter, Dr. Kurt-Schumacher-Ring 152 D-5090 Leverkusen 1 / DE | [1982/30] | Application number, filing date | 82100042.9 | 07.01.1982 | [1982/30] | Priority number, date | DE19813101140 | 16.01.1981 Original published format: DE 3101140 | [1982/30] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0056578 | Date: | 28.07.1982 | Language: | DE | [1982/30] | Type: | A3 Search report | No.: | EP0056578 | Date: | 25.08.1982 | Language: | DE | [1982/34] | Type: | B1 Patent specification | No.: | EP0056578 | Date: | 21.03.1984 | Language: | DE | [1984/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.06.1982 | Classification | IPC: | C09B41/00, C09B44/04, C09B67/34, C09B67/54 | [1982/30] | CPC: |
C09B41/009 (EP,US);
C09B67/0076 (EP,KR,US);
C09B41/00 (KR);
C09B44/02 (KR);
C09B44/04 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI [1982/30] | Title | German: | Verfahren zur Herstellung von Lösungen kationischer Azofarbstoffe | [1982/30] | English: | Process for the manufacture of cationic azodye solutions | [1982/30] | French: | Procédé de préparation de solutions de colorants azoiques cationiques | [1982/30] | Examination procedure | 07.01.1982 | Examination requested [1982/30] | 07.03.1983 | Despatch of a communication from the examining division (Time limit: M04) | 24.03.1983 | Reply to a communication from the examining division | 11.05.1983 | Despatch of communication of intention to grant (Approval: ) | 05.08.1983 | Communication of intention to grant the patent | 13.08.1983 | Fee for grant paid | 13.08.1983 | Fee for publishing/printing paid | Opposition(s) | 21.12.1984 | No opposition filed within time limit [1985/16] | Fees paid | Renewal fee | 16.12.1983 | Renewal fee patent year 03 |
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