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EP0035742
European procedure
Extract from the Register of European Patents
EP About this file: EP0035742
| EP0035742 - Homocitric acid oligoriboside derivatives, process for their manufacture and their use as preventives of dental caries [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.04.1985 Database last updated on 08.04.2026 | Most recent event Tooltip | 04.04.1985 | No opposition filed within time limit | published on 05.06.1985 [1985/23] | Applicant(s) | For all designated states BISEIBUTSU KAGAKU KENKYUKAI 3-14-23, Kamiosaki Shinagawa-ku Tokyo / JP | [1981/37] | Inventor(s) | 01 /
Okami, Yoshiro 4-18-14, Denenchofu Ohta-ku Tokyo / JP | 02 /
Yamada, Kazuhiko 3-22-22, Fujigaoka Fujisawa City Kanagawa Pref. / JP | 03 /
Takashio, Masachika 1-35-14, Komagome Toshima-ku Tokyo / JP | [1981/37] | Representative(s) | Reuter, Johann-Heinrich HOECHST AKTIENGESELLSCHAFT Zentrale Patentabteilung Postfach 80 03 20 D-6230 Frankfurt/Main 80 / DE | [N/P] |
| Former [1981/37] | Reuter, Johann-Heinrich, Dr. HOECHST AKTIENGESELLSCHAFT Zentrale Patentabteilung Postfach 80 03 20 D-6230 Frankfurt/Main 80 / DE | Application number, filing date | 81101543.7 | 04.03.1981 | [1981/37] | Priority number, date | JP19800029690 | 08.03.1980 Original published format: JP 2969080 | [1981/37] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0035742 | Date: | 16.09.1981 | Language: | EN | [1981/37] | Type: | B1 Patent specification | No.: | EP0035742 | Date: | 30.05.1984 | Language: | EN | [1984/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.07.1981 | Classification | IPC: | C07H15/04, C12P19/44, // A61K7/24 ,(C12P19/44, C12R1:465) | [1981/37] | CPC: |
A61Q11/00 (EP,US);
A61K8/606 (EP,US);
A61P1/02 (EP);
C07H3/06 (EP,US);
C12N1/205 (EP,US);
C12P19/44 (EP,US);
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1981/37] | Title | German: | 2-Hydroxy-1,2,4-butantricarbonsäure-oligoribosid-Derivate, Verfahren zu ihrer Herstellung und ihre Verwendung als prophylaktische Mittel gegen Zahnkaries | [1981/37] | English: | Homocitric acid oligoriboside derivatives, process for their manufacture and their use as preventives of dental caries | [1981/37] | French: | Dérivés d'acide homocitrique oligoriboside, procédé pour leur préparation et leur utilisation dans le traitement préventif des caries dentaires | [1981/37] | Biological material | This application mentions deposited biological material, check the file for details | Examination procedure | 12.03.1982 | Examination requested [1982/21] | 19.08.1982 | Despatch of a communication from the examining division (Time limit: M04) | 01.12.1982 | Reply to a communication from the examining division | 31.08.1983 | Despatch of communication of intention to grant (Approval: ) | 04.11.1983 | Communication of intention to grant the patent | 06.02.1984 | Fee for grant paid | 06.02.1984 | Fee for publishing/printing paid | Opposition(s) | 01.03.1985 | No opposition filed within time limit [1985/23] | Fees paid | Renewal fee | 08.02.1983 | Renewal fee patent year 03 | 13.02.1984 | Renewal fee patent year 04 |
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