EP0344553 - Surfactant mixtures as collectors for the flotation of non-sulfidic minerals [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.05.1993 Database last updated on 03.08.2024 | Most recent event Tooltip | 06.05.1993 | No opposition filed within time limit | published on 23.06.1993 [1993/25] | Applicant(s) | For all designated states Henkel Kommanditgesellschaft auf Aktien Henkelstrasse 67 40589 Düsseldorf / DE | [N/P] |
Former [1989/49] | For all designated states Henkel Kommanditgesellschaft auf Aktien D-40191 Düsseldorf / DE | Inventor(s) | 01 /
von Rybinski, Wolfgang, Dr. Leinenweberweg 12 D-4000 Düsseldorf / DE | 02 /
Köster, Rita Taubenstrasse 7 D-4000 Düsseldorf / DE | [1989/49] | Application number, filing date | 89109118.3 | 20.05.1989 | [1989/49] | Priority number, date | DE19883818482 | 31.05.1988 Original published format: DE 3818482 | [1989/49] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0344553 | Date: | 06.12.1989 | Language: | DE | [1989/49] | Type: | B1 Patent specification | No.: | EP0344553 | Date: | 01.07.1992 | Language: | DE | [1992/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.09.1989 | Classification | IPC: | B03D1/00 | [1989/49] | CPC: |
B03D1/012 (EP,US);
B03D1/0043 (EP,US);
B03D1/01 (EP,US);
B03D2203/04 (EP,US)
| Designated contracting states | DE, ES, FR, SE [1992/06] |
Former [1989/49] | BE, DE, ES, FR, GB, IT, SE | Title | German: | Tensidmischungen als Sammler für die Flotation nichtsulfidischer Erze | [1989/49] | English: | Surfactant mixtures as collectors for the flotation of non-sulfidic minerals | [1989/49] | French: | Mélanges d'agents tensio-actifs comme collecteurs pour la flottation de minerais non sulfurés | [1989/49] | Examination procedure | 08.02.1990 | Examination requested [1990/14] | 09.08.1991 | Despatch of communication of intention to grant (Approval: No) | 26.08.1991 | Despatch of communication of intention to grant (Approval: later approval) | 16.12.1991 | Communication of intention to grant the patent | 12.03.1992 | Fee for grant paid | 12.03.1992 | Fee for publishing/printing paid | Opposition(s) | 02.04.1993 | No opposition filed within time limit [1993/25] | Fees paid | Renewal fee | 22.04.1991 | Renewal fee patent year 03 | 21.04.1992 | 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 | [A]SU1162495 ; | [A]GB782107 (ANZIN LTD); | [A]US3865718 (TVETER ELMER C, et al); | [A]EP0107561 (ELF AQUITAINE [FR]); | [AD]DE3315951 (HENKEL KGAA [DE]); | [A]EP0201815 (HENKEL KGAA [DE]); | [AP]EP0270933 (HENKEL KGAA [DE]) | [A] - SOVIET INVENTIONS ILLUSTRATED, Woche 8601, 21. Januar 1986, Nr. 86-005601/01, Derwent Publications Ltd, London, GB; & SU-A-1162 495 (BELORUSS KIROV TECHN INS) 23-06-1985, & SU1162495 A 00000000 |