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EP0033498
European procedure
Extract from the Register of European Patents
EP About this file: EP0033498
| EP0033498 - A process for preparing reaction injection molded polyurethane compositions employing aliphatic amine chain extenders [Right-click to bookmark this link] | Status | Opposition rejected Status updated on 30.10.1987 Database last updated on 03.09.2024 | Most recent event Tooltip | 30.10.1987 | Opposition rejected | published on 16.12.1987 [1987/51] | Applicant(s) | For all designated states The Dow Chemical Company 2020 Dow Center Midland, Michigan 48674 / US | [N/P] |
| Former [1981/32] | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center Abbott Road P.O. Box 1967 Midland Michigan 48640-1967 / US | Inventor(s) | 01 /
Vanderhider, James Alan 314 Carnation Lake Jackson Texas / US | 02 /
Lancaster, Gerald Martin 303 Tarpon Avenue Surfside Beach P.O. Box 3479 Freeport Texas / US | [1981/32] | Representative(s) | Weickmann, Heinrich, et al Weickmann & Weickmann Patentanwälte Postfach 86 08 20 81635 München / DE | [N/P] |
| Former [1984/31] | Weickmann, Heinrich, Dipl.-Ing., et al Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm Postfach 86 08 20 D-81635 München / DE | ||
| Former [1981/32] | Weickmann, Heinrich, Dipl.-Ing. Patentanwälte Dipl.-Ing. H. Weickmann Dipl.-Phys.Dr. K. Fincke Dipl.-Ing. F.A. Weickmann Dipl.-Chem. B. Huber Dr.-Ing. H. Liska M hlstrasse 22 D-8000 München 86 / DE | Application number, filing date | 81100504.0 | 23.01.1981 | [1981/32] | Priority number, date | US19800114803 | 24.01.1980 Original published format: US 114803 | [1981/32] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0033498 | Date: | 12.08.1981 | Language: | EN | [1981/32] | Type: | B1 Patent specification | No.: | EP0033498 | Date: | 08.05.1985 | Language: | EN | [1985/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.06.1981 | Classification | IPC: | C08G18/32, C08G18/66 | [1981/32] | CPC: |
C08G18/5024 (EP,US);
C08G18/6614 (EP,US);
C08G18/6618 (EP,US);
C08G2120/00 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL, SE [1981/32] | Title | German: | Verfahren zur Herstellung von Polyurethanen durch Reaktionsspritzgiessen unter Verwendung aliphatischer Amine als Kettenverlängerer | [1981/32] | English: | A process for preparing reaction injection molded polyurethane compositions employing aliphatic amine chain extenders | [1981/32] | French: | Procédé de préparation de polyuréthanes par moulage réactif par injection en utilisant des amines aliphatiques comme agents d'allongement des chaînes | [1981/32] | Examination procedure | 10.02.1982 | Examination requested [1982/17] | 17.05.1983 | Despatch of a communication from the examining division (Time limit: M02) | 18.07.1983 | Reply to a communication from the examining division | 21.10.1983 | Despatch of a communication from the examining division (Time limit: M04) | 30.01.1984 | Reply to a communication from the examining division | 06.06.1984 | Despatch of communication of intention to grant (Approval: ) | 17.08.1984 | Communication of intention to grant the patent | 29.10.1984 | Fee for grant paid | 29.10.1984 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
21.11.1985
12.03.1986
ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | [N/P] |
| Former [1986/05] | |||
| Opponent(s) | 01
21.11.1985
12.03.1986
ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | 13.03.1986 | Invitation to proprietor to file observations on the notice of opposition | 17.09.1986 | Reply of patent proprietor to notice(s) of opposition | 09.10.1986 | Communication of observations of patent proprietor (Time limit: M02) | 11.12.1986 | Reply of parties involved to observations of patent proprietor | 17.07.1987 | Date of despatch of rejection of opposition | 28.07.1987 | Legal effect of rejection of opposition [1987/51] | Fees paid | Renewal fee | 07.12.1982 | Renewal fee patent year 03 | 03.12.1983 | Renewal fee patent year 04 | 12.12.1984 | 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 | US4089835 [ ] (KONIG KLAUS, et al) | Examination | US3984360 | DE2622951 |