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EP0392299
European procedure
Extract from the Register of European Patents
EP About this file: EP0392299
| EP0392299 - Process for preparing organic amines, mixtures of polyamines and their use as curing agents for prepolymers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.03.1994 Database last updated on 24.08.2024 | Most recent event Tooltip | 07.03.1997 | Lapse of the patent in a contracting state | published on 23.04.1997 [1997/17] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1990/42] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Scholl, Hans Joachim, Dr. Am Feldrain 5 D-5000 Köln 80 / DE | [1990/42] | Application number, filing date | 90106216.6 | 31.03.1990 | [1990/42] | Priority number, date | DE19893912266 | 14.04.1989 Original published format: DE 3912266 | DE19893939699 | 01.12.1989 Original published format: DE 3939699 | [1990/42] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0392299 | Date: | 17.10.1990 | Language: | DE | [1990/42] | Type: | B1 Patent specification | No.: | EP0392299 | Date: | 19.05.1993 | Language: | DE | [1993/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 26.07.1990 | Classification | IPC: | C07C209/62, C07D251/34, C08G18/32 | [1990/42] | CPC: |
C08G59/5086 (EP,US);
C07C209/62 (EP,US);
C08G18/0828 (EP,US);
C08G18/10 (EP,US);
C08G18/3853 (EP,US);
C08G59/50 (EP,US)
| C-Set: |
C08G18/10, C08G18/3851 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, IT, LI, NL, SE [1990/42] | Title | German: | Verfahren zur Herstellung von organischen Aminen, Polyamingemische und ihre Verwendung als Härter für Kunststoffvorläufer | [1990/42] | English: | Process for preparing organic amines, mixtures of polyamines and their use as curing agents for prepolymers | [1990/42] | French: | Procédé pour la préparation d'amines, mélanges de polyamines et leur utilisation comme durcisseurs pour prépolymères | [1990/42] | Examination procedure | 31.03.1990 | Examination requested [1990/42] | 13.04.1992 | Despatch of a communication from the examining division (Time limit: M04) | 29.06.1992 | Reply to a communication from the examining division | 06.08.1992 | Despatch of a communication from the examining division (Time limit: M04) | 18.08.1992 | Reply to a communication from the examining division | 18.09.1992 | Despatch of a communication from the examining division (Time limit: M04) | 28.09.1992 | Reply to a communication from the examining division | 09.11.1992 | Despatch of communication of intention to grant (Approval: Yes) | 23.11.1992 | Communication of intention to grant the patent | 07.01.1993 | Fee for grant paid | 07.01.1993 | Fee for publishing/printing paid | Opposition(s) | 22.02.1994 | No opposition filed within time limit [1994/19] | Fees paid | Renewal fee | 17.02.1992 | Renewal fee patent year 03 | 11.02.1993 | 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 | [X]FR1415317 (BAYER AG); | [A]DD128980 (ALBRECHT HERBERT, et al); | [A]FR2378748 (BAYER AG [DE]); | [A]DE3039600 (BAYER AG [DE]) | [A] - CHEMICAL ABSTRACTS, vol. 78, no. 23, June 11, 1973 Columbus, Ohio, USA NUKINA, SHOGO et al. "Tris(3-aminopropyl)isocya- nuric acid" page 388, column 2, abstract -no. 148 005m | [A] - CHEMICAL ABSTRACTS, vol. 80, no. 4, January 28, 1974 Columbus, Ohio, USA NUKINA, SHOGO et al. "Thermosetting resin" page 15 810, column 2, abstract-no. 15 808v | [AD] - SYNTHESIS, November 1988, Stuttgart F.ZARAGOZA-D ̄RWALD "A simple and economic syn- thesis of monoacylated al- kanediamines by thermal transamidation" Seiten 917,918 |