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EP0316722
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EP About this file: EP0316722
| EP0316722 - Water soluble azo compounds, process for their preparation and their use as dyestuffs [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 27.05.1993 Database last updated on 05.07.2024 | Most recent event Tooltip | 27.05.1993 | Withdrawal of application | published on 14.07.1993 [1993/28] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1989/21] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | Inventor(s) | 01 /
Springer, Hartmut, Dr. Am Erdbeerstein 27 D-6240 Königstein/Taunus / DE | 02 /
Hussong, Kurt, Dr. Am Flachslad 56 D-6233 Kelkheim (Taunus) / DE | [1989/21] | Application number, filing date | 88118606.8 | 09.11.1988 | [1989/21] | Priority number, date | DE19873738831 | 16.11.1987 Original published format: DE 3738831 | [1989/21] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0316722 | Date: | 24.05.1989 | Language: | DE | [1989/21] | Type: | A3 Search report | No.: | EP0316722 | Date: | 07.03.1990 | Language: | DE | [1990/10] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.01.1990 | Classification | IPC: | C09B62/008, D06P1/38 | [1989/21] | CPC: |
C09B62/0083 (EP);
C09B62/06 (KR)
| Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI [1989/21] | Title | German: | Wasserlösliche Azoverbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung als Farbstoffe | [1989/21] | English: | Water soluble azo compounds, process for their preparation and their use as dyestuffs | [1989/21] | French: | Composés azoiques solubles dans l'eau, procédé pour leur préparation et leur utilisation comme colorants | [1989/21] | File destroyed: | 12.06.1999 | Examination procedure | 28.05.1990 | Examination requested [1990/30] | 25.02.1992 | Despatch of a communication from the examining division (Time limit: M04) | 03.07.1992 | Reply to a communication from the examining division | 09.02.1993 | Despatch of communication of intention to grant (Approval: Yes) | 12.03.1993 | Communication of intention to grant the patent | 18.05.1993 | Application withdrawn by applicant [1993/28] | Fees paid | Renewal fee | 12.10.1990 | Renewal fee patent year 03 | 21.12.1990 | Renewal fee patent year 04 | 16.10.1992 | Renewal fee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 | [A]DE960534 (HOECHST AG); | [A]DE965902 (HOECHST AG); | [A]FR641816 (IG FARBENINDUSTRIE AG) |