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EP0050275
European procedure
Extract from the Register of European Patents
EP About this file: EP0050275
| EP0050275 - Preparation of polyamines [Right-click to bookmark this link] | |||
| Former [1982/17] | Polyamines, their preparation and their use in the preparation of polymethane plastics | ||
| [1983/42] | Status | No opposition filed within time limit Status updated on 17.08.1984 Database last updated on 09.04.2026 | Most recent event Tooltip | 17.08.1984 | No opposition filed within time limit | published on 17.10.1984 [1984/42] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1982/17] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Rasshofer, Werner, Dr. Wolfskaul 10 D-5000 Koeln 80 / DE | 02 /
Dieterich, Dieter, Dr. Ludwig-Girtler-Strasse 1 D-5090 Leverkusen / DE | 03 /
Meyborg, Holger, Dr. Bergisch-Gladbacher Strasse 1 D-5068 Odenthal / DE | [1982/17] | Application number, filing date | 81108075.3 | 08.10.1981 | [1982/17] | Priority number, date | DE19803039600 | 21.10.1980 Original published format: DE 3039600 | [1982/17] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0050275 | Date: | 28.04.1982 | Language: | DE | [1982/17] | Type: | B1 Patent specification | No.: | EP0050275 | Date: | 19.10.1983 | Language: | DE | [1983/42] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.03.1982 | Classification | IPC: | C07C127/24, C07C125/063, C08G18/10, C08G18/83, C08G18/50 | [1982/17] | CPC: |
C08G18/83 (EP,US);
C07C273/1809 (EP,US);
C08G18/10 (EP,US);
C08G18/5048 (EP,US)
| C-Set: |
C07C273/1809, C07C275/00 (US,EP);
C07C273/1809, C07C275/62 (US,EP);
C08G18/10, C08G18/305 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1983/46] |
| Former [1982/17] | AT, BE, CH, DE, FR, GB, IT, LI, NL | Title | German: | Verfahren zur Herstellung von Polyaminen | [1983/42] | English: | Preparation of polyamines | [1983/42] | French: | Préparation de polyamines | [1983/42] |
| Former [1982/17] | Polyamine, Verfahren zur Herstellung von Polyaminen und deren Verwendung zur Herstellung von Polyurethankunststoffen | ||
| Former [1982/17] | Polyamines, their preparation and their use in the preparation of polymethane plastics | ||
| Former [1982/17] | Polyamines, leur préparation et leur utilisation dans la préparation de matières plastiques polyuréthanes | Examination procedure | 08.10.1981 | Examination requested [1982/17] | 19.10.1982 | Despatch of a communication from the examining division (Time limit: M04) | 12.11.1982 | Reply to a communication from the examining division | 07.01.1983 | Despatch of communication of intention to grant (Approval: ) | 31.03.1983 | Communication of intention to grant the patent | 11.04.1983 | Fee for grant paid | 11.04.1983 | Fee for publishing/printing paid | Opposition(s) | 20.07.1984 | No opposition filed within time limit [1984/42] | Fees paid | Renewal fee | 28.09.1983 | 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 | Analyst, Band 104, Oktober 1979, London (GB) R.F. WALKER et al.: "Spectrophotometric Determination of Aliphatic Isocyanates in the Occupational Atmosphere; Part 1. Determination of Total Isocyanate Concentration", seiten 928-936 * seite 930 * |