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EP0274379
European procedure
Extract from the Register of European Patents
EP About this file: EP0274379
| EP0274379 - Process for preparing pyridine-2,3-dicarboxylic acid compounds [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.04.1994 Database last updated on 10.07.2024 | Most recent event Tooltip | 03.05.1994 | Lapse of the patent in a contracting state New state(s): BE | published on 22.06.1994 [1994/25] | Applicant(s) | For all designated states SUGAI CHEMICAL INDUSTRY CO., LTD. 4-6, 4-chome, Uzu Wakayama-shi Wakayama-ken / JP | [N/P] |
| Former [1988/28] | For all designated states SUGAI CHEMICAL INDUSTRY CO., LTD. 4-6, 4-chome, Uzu Wakayama-shi Wakayama-ken / JP | Inventor(s) | 01 /
Yamashita, Takaharu c/o Sugai Chemical Ind. Co. Ltd. 4-4-6, Uzu, Wakayama-shi Wakayama 641 / JP | 02 /
Kodama, Mitsuhiro c/o Sugai Chemical Ind. Co. Ltd. 4-4-6, Uzu, Wakayama-shi Wakayama 641 / JP | 03 /
Shimada, Shouzo 2861-62, Hakotsukuri Hannan-cho Sennan-gun Osaka 599-02 / JP | [1993/26] |
| Former [1988/28] | 01 /
Yamashita, Takaharu c/o SUGAI CHEMICAL IND. CO. LTD. 4-4-6, Uzu Wakayama-shi Wakayama 641 / JP | ||
| 02 /
Kodama, Mitsuhiro c/o SUGAI CHEMICAL IND. CO. LTD. 4-4-6, Uzu Wakayama-shi Wakayama 641 / JP | |||
| 03 /
Shimada, Shouzo 2861-62, Hakotsukuri Hannan-cho Sennan-gun Osaka 599-02 / JP | Representative(s) | Hansen, Bernd, et al Hoffmann Eitle Patent- und Rechtsanwälte Postfach 81 04 20 81904 München / DE | [N/P] |
| Former [1989/17] | Hansen, Bernd, Dr.rer.nat., et al Hoffmann, Eitle & Partner Patentanwälte Postfach 81 04 20 D-81904 München / DE | ||
| Former [1988/28] | Hansen, Bernd, Dr. Dipl.-Chem. Hoffmann, Eitle & Partner Patent- und Rechtsanwälte, Postfach 81 04 20 D-81904 München / DE | Application number, filing date | 88100056.6 | 05.01.1988 | [1988/28] | Priority number, date | JP19870000915 | 06.01.1987 Original published format: JP 91587 | JP19870290389 | 16.11.1987 Original published format: JP 29038987 | [1988/28] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0274379 | Date: | 13.07.1988 | Language: | EN | [1988/28] | Type: | A3 Search report | No.: | EP0274379 | Date: | 06.09.1989 | Language: | EN | [1989/36] | Type: | B1 Patent specification | No.: | EP0274379 | Date: | 30.06.1993 | Language: | EN | [1993/26] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 18.07.1989 | Classification | IPC: | C07D213/803 | [1988/28] | CPC: |
C07D213/803 (EP,US);
C07D213/80 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, NL [1988/28] | Title | German: | Verfahren zur Herstellung von Pyridin-2,3-dicarboxylsäure-Verbindungen | [1988/28] | English: | Process for preparing pyridine-2,3-dicarboxylic acid compounds | [1988/28] | French: | Procédé de préparation de dérivés d'acide pyridine-2,3-dicarboxylique | [1993/26] |
| Former [1988/28] | Procédé de préparation de composés d'acide pyridine-2,3-dicarboxyliques | Examination procedure | 11.12.1989 | Examination requested [1990/05] | 21.11.1991 | Despatch of a communication from the examining division (Time limit: M04) | 23.03.1992 | Reply to a communication from the examining division | 11.05.1992 | Despatch of communication of intention to grant (Approval: Yes) | 17.09.1992 | Communication of intention to grant the patent | 01.12.1992 | Fee for grant paid | 01.12.1992 | Fee for publishing/printing paid | Opposition(s) | 31.03.1994 | No opposition filed within time limit [1994/25] | Fees paid | Renewal fee | 31.01.1990 | Renewal fee patent year 03 | 31.01.1991 | Renewal fee patent year 04 | 30.01.1992 | Renewal fee patent year 05 | 29.01.1993 | Renewal fee patent year 06 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | BE | 30.06.1993 | NL | 30.06.1993 | [1994/25] |
| Former [1994/24] | NL | 30.06.1993 | Documents cited: | Search | [Y]US4460776 (WEPPLO PETER J [US]); | [AD]EP0161221 (CIBA GEIGY AG [CH]); | [XP]EP0220518 (AMERICAN CYANAMID CO [US]) | [YD] - THE JOURNAL OF ORGANIC CHEMISTRY, vol. 21, July/December 1956, pages 800-801, Mack Printing Co., Easton, Pennsylvania, US; K. TSUDA et al.: "Reaction between acrolein and ethyl beta-aminocrotonate" |