EP0204141 - USE OF UREA AND/OR BIURET GROUPS CONTAINING POLYISOCYANATES AS ISOCYANATE COMPONENT IN THE PREPARATION OF PLASTICS BY THE REACTION INJECTION MOLDING PROCESS [Right-click to bookmark this link] | |||
Former [1986/50] | Process for the preparation of polyisocyanate compositions containing urea and/or biuret groups, polyisocyanate compositions prepared by this process and their use as isocyanate components in the preparation of plastics by the isocyanate-polyaddition process | ||
[1990/38] | Status | No opposition filed within time limit Status updated on 20.07.1991 Database last updated on 15.06.2024 | Most recent event Tooltip | 20.07.1991 | No opposition filed within time limit | published on 11.09.1991 [1991/37] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
Former [1986/50] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Rasshofer, Werner, Dr. Wolfskaul 10 D-5000 Köln 80 / DE | 02 /
Paul, Reiner, Dr. Oberhausenerstrasse 55 D-4330 Mülheim-Ruhr / DE | 03 /
Seel, Klaus, Dr. Märchenstrasse 72 D-5000 Köln 80 / DE | 04 /
Weber, Christian, Dr. Paul-Klee-Strasse 68a D-5090 Leverkusen / DE | [1986/50] | Application number, filing date | 86105862.6 | 28.04.1986 | [1986/50] | Priority number, date | DE19853516730 | 09.05.1985 Original published format: DE 3516730 | [1986/50] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0204141 | Date: | 10.12.1986 | Language: | DE | [1986/50] | Type: | A3 Search report | No.: | EP0204141 | Date: | 28.09.1988 | Language: | DE | [1988/39] | Type: | B1 Patent specification | No.: | EP0204141 | Date: | 19.09.1990 | Language: | DE | [1990/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 08.08.1988 | Classification | IPC: | C08G18/12, C08G18/78, C08G18/80, C07C275/28, C07C275/62 | [1990/38] | CPC: |
C08G18/6603 (EP,US);
C08G18/12 (EP,US);
C08G18/6614 (EP,US);
C08G18/7818 (EP,US);
C08G2120/00 (EP,US);
Y10S521/901 (EP,US);
Y10S521/902 (EP,US)
(-)
|
Former IPC [1986/50] | C08G18/12, C08G18/78, C08G18/80, C07C127/19, C07C127/24 | Designated contracting states | BE, DE, FR, GB, IT, NL, SE [1986/50] | Title | German: | VERWENDUNG VON HARNSTOFF- UND/ODER BIURETGRUPPEN AUFWEISENDENPOLYISOCYANAT-ZUBEREITUNGEN ALS ISOCYANAT KOMPONENTE BEI DER HERSTELLUNG VON KUNSTSTOFFEN NACH DEM VERFAHREN DER REAKTIONSSPRITZGUSSTECHNIK | [1990/38] | English: | USE OF UREA AND/OR BIURET GROUPS CONTAINING POLYISOCYANATES AS ISOCYANATE COMPONENT IN THE PREPARATION OF PLASTICS BY THE REACTION INJECTION MOLDING PROCESS | [1990/38] | French: | UTILISATION DE POLYISOCYANATES CONTENANT DES GROUPES UREE ET/OU BIURET COMME COMPOSANTS D'ISOCYANATES POUR LA PREPARATION DE MATIERES PLASTIQUES PAR LE PROCEDE DE MOULAGE PAR INJECTION: | [1990/38] |
Former [1986/50] | Verfahren zur Herstellung von Harnstoff- und/oder Biuretgruppen aufweisenden Polyisocyanat-Zubereitungen, die nach diesem Verfahren erhältlichen Polyisocyanat-Zubereitungen und ihre Verwendung als Isocyanatkomponente bei der Herstellung von Kunststoffen nach dem Isocyanat-Polyadditionsverfahren | ||
Former [1986/50] | Process for the preparation of polyisocyanate compositions containing urea and/or biuret groups, polyisocyanate compositions prepared by this process and their use as isocyanate components in the preparation of plastics by the isocyanate-polyaddition process | ||
Former [1986/50] | Procédé de préparation de compositions de polyisocyanate contenant des groupes urée et/ou biuret, compositions de polyisocyanate préparées par ce procédé et leur utilisation comme composants d'isocyanate pour la préparation de matières plastiques par le procédé de polyaddition d'isocyanate | Examination procedure | 28.04.1986 | Examination requested [1986/50] | 18.10.1989 | Despatch of a communication from the examining division (Time limit: M04) | 03.11.1989 | Reply to a communication from the examining division | 13.03.1990 | Despatch of communication of intention to grant (Approval: Yes) | 27.03.1990 | Communication of intention to grant the patent | 05.05.1990 | Fee for grant paid | 05.05.1990 | Fee for publishing/printing paid | Opposition(s) | 20.06.1991 | No opposition filed within time limit [1991/37] | Fees paid | Renewal fee | 14.03.1988 | Renewal fee patent year 03 | 21.03.1989 | Renewal fee patent year 04 | 14.03.1990 | Renewal fee patent year 05 |
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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]US3441588 (WAGNER KUNO, et al); | [A]US3824266 (DIETRICH W, et al); | [AD]DE2261065 (BASF AG) |