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EP0161591
European procedure
Extract from the Register of European Patents
EP About this file: EP0161591
| EP0161591 - Isocyanato-azetidine-diones [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.09.1989 Database last updated on 31.08.2024 | 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 The Dow Chemical Company 2020 Dow Center Midland, Michigan 48674 / US | [N/P] |
| Former [1986/15] | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center Abbott Road P.O. Box 1967 Midland Michigan 48640-1967 / US | ||
| Former [1985/47] | For all designated states THE UPJOHN COMPANY 301 Henrietta Street Kalamazoo, Michigan 49001 / US | Inventor(s) | 01 /
Dai, Shenghong Albert 14 Montowese Trail Wallingford, CT 06492 / US | [1988/48] |
| Former [1985/47] | 01 /
Dai, Shenghong Albert 14 Montowese Trail Wallingford Connecticut 06492 / US | Representative(s) | Henkel & Partner mbB Patentanwaltskanzlei, Rechtsanwaltskanzlei Maximiliansplatz 21 80333 München / DE | [N/P] |
| Former [1985/47] | Henkel, Feiler, Hänzel & Partner Möhlstrasse 37 D-81675 München / DE | Application number, filing date | 85105422.1 | 03.05.1985 | [1985/47] | Priority number, date | US19840608005 | 07.05.1984 Original published format: US 608005 | [1985/47] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0161591 | Date: | 21.11.1985 | Language: | EN | [1985/47] | Type: | B1 Patent specification | No.: | EP0161591 | Date: | 30.11.1988 | Language: | EN | [1988/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.09.1985 | Classification | IPC: | C07D205/10, C07D205/12, C07D403/14, C08G65/32, C08G18/80, // (C07D403/14, 251:00, 205:00, 205:00, 205:00) | [1985/47] | CPC: |
C07D403/14 (EP,US);
C07D205/10 (EP,US);
C07D205/12 (EP,US);
C08G18/3225 (EP,US);
C08G18/3228 (EP,US);
C08G18/5024 (EP,US);
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1985/47] | Title | German: | Isocyanato-azetidin-dionen | [1985/47] | English: | Isocyanato-azetidine-diones | [1985/47] | French: | Isocyanato-azétidine-diones | [1985/47] | Examination procedure | 16.04.1986 | Examination requested [1986/25] | 14.07.1987 | Despatch of a communication from the examining division (Time limit: M04) | 28.10.1987 | Reply to a communication from the examining division | 01.03.1988 | Despatch of communication of intention to grant (Approval: Yes) | 31.05.1988 | Communication of intention to grant the patent | 03.08.1988 | Fee for grant paid | 03.08.1988 | Fee for publishing/printing paid | Opposition(s) | 31.08.1989 | No opposition filed within time limit [1989/46] | Fees paid | Renewal fee | 23.03.1987 | Renewal fee patent year 03 | 01.03.1988 | 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 | [AD]US3265684 (HERWEH JOHN E, et al) |