-
EP0164087
European procedure
Extract from the Register of European Patents
EP About this file: EP0164087
| EP0164087 - Process for reducing the sulphuric acid and impurity content in wet-process phosphoric acid [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.12.1991 Database last updated on 26.12.2024 | Most recent event Tooltip | 28.12.1991 | No opposition filed within time limit | published on 19.02.1992 [1992/08] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [N/P] |
| Former [1985/50] | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 D-67063 Ludwigshafen / DE | Inventor(s) | 01 /
Ex, Guido Von de Wiellei 180 B-2130 Brasschaat / BE | 02 /
Pirotte, Roland J. Van Rijswijcklaan 247 B-2020 Antwerpen / BE | 03 /
Engelmann, Jacques Hennepstraat 15 B-2060 Merksem / BE | 04 /
Vandersypen, Herman Ter Borcht 38 B-2130 Brasschaat / BE | 05 /
van Gestel, Jozef Dr. J. Boossenaertsstraat 2 B-2180 Kalmthout / BE | [1985/50] | Application number, filing date | 85106798.3 | 03.06.1985 | [1985/50] | Priority number, date | DE19843421297 | 08.06.1984 Original published format: DE 3421297 | [1985/50] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0164087 | Date: | 11.12.1985 | Language: | DE | [1985/50] | Type: | A3 Search report | No.: | EP0164087 | Date: | 30.03.1988 | Language: | DE | [1988/13] | Type: | B1 Patent specification | No.: | EP0164087 | Date: | 27.02.1991 | Language: | DE | [1991/09] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.02.1988 | Classification | IPC: | C01B25/237 | [1985/50] | CPC: |
C01B25/237 (EP)
| Designated contracting states | BE, DE, FR, NL, SE [1985/50] | Title | German: | Verfahren zur Reduzierung des Schwefelsäuregehaltes und des Gehaltes an Verunreinigungen in Nassverfahrensphosphorsäure | [1985/50] | English: | Process for reducing the sulphuric acid and impurity content in wet-process phosphoric acid | [1985/50] | French: | Procédé de réduction de la teneur en acide sulfurique et en impuretés dans l'acide phosphonique de voie humide | [1985/50] | File destroyed: | 15.01.2000 | Examination procedure | 02.03.1988 | Examination requested [1988/17] | 26.04.1989 | Despatch of a communication from the examining division (Time limit: M04) | 10.08.1989 | Reply to a communication from the examining division | 19.03.1990 | Despatch of communication of intention to grant (Approval: Yes) | 25.07.1990 | Communication of intention to grant the patent | 30.10.1990 | Fee for grant paid | 30.10.1990 | Fee for publishing/printing paid | Opposition(s) | 28.11.1991 | No opposition filed within time limit [1992/08] | Fees paid | Renewal fee | 13.06.1987 | Renewal fee patent year 03 | 22.06.1988 | Renewal fee patent year 04 | 16.06.1989 | Renewal fee patent year 05 | 13.06.1990 | 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 | NL | 27.02.1991 | SE | 27.02.1991 | [1991/49] |
| Former [1991/39] | SE | 27.02.1991 | Documents cited: | Search | JP7215461B [ ]; | JP8141815 [ ]; | [A]BE791820Q (RHONE PROGIL); | [A]FR1472520 (MARCHON PRODUCTS LTD); | [A]GB1155957 (FISONS LTD) | [ ] - CHEMICAL ABSTRACTS, Band 78, Nr. 6, 12. Februar 1973, Sete 134, Zusammenfassung 32162f, Columbus, Ohio, US; & JP-B-72 15 461 (MITSUBISHI CHEMICAL INDUSTRIES CO., LTD) 09-05-1972, & JP7215461B B 00000000 | [ ] - CHEMICAL ABSTRACTS, Band 95, Nr. 14, 5. Oktober 1981, Seite 128, Zusammenfassung 117730r, Columbus, Ohio, US; & JP-A-81 41 815 (MITSUI TOATSU CHEMICALS, INC.) 18-04-1981, & JP8141815 A 00000000 |