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EP0364654
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EP About this file: EP0364654
| EP0364654 - Method and apparatus for generating microbubbles in froth flotation mineral concentration systems [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 17.08.2001 Database last updated on 03.09.2024 | Most recent event Tooltip | 17.08.2001 | Application deemed to be withdrawn | published on 04.10.2001 [2001/40] | Applicant(s) | For all designated states THE DEISTER CONCENTRATOR CO., INC. 901 Glasgow Avenue Fort Wayne Indiana 46801 / US | [N/P] |
| Former [1990/17] | For all designated states THE DEISTER CONCENTRATOR CO., INC. 901 Glasgow Avenue Fort Wayne Indiana 46801 / US | Inventor(s) | 01 /
Zipperian, Donald E. 5380 East Placita Casa Rio Tucson Arizona 85718 / US | [1990/17] | Representative(s) | Strasse, Joachim, et al Strasse & Hofstetter Balanstrasse 57 81541 München / DE | [N/P] |
| Former [1990/17] | Strasse, Joachim, Dipl.-Ing., et al Strasse, Vonnemann & Partner Balanstrasse 55 D-81541 München / DE | Application number, filing date | 89103088.4 | 22.02.1989 | [1990/17] | Priority number, date | US19880260813 | 21.10.1988 Original published format: US 260813 | [1990/17] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0364654 | Date: | 25.04.1990 | Language: | EN | [1990/17] | Type: | A3 Search report | No.: | EP0364654 | Date: | 23.01.1991 | Language: | EN | [1991/04] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.12.1990 | Classification | IPC: | B03D1/24 | [1990/17] | CPC: |
B03D1/24 (EP,US);
B01F23/231265 (EP);
B01F23/23211 (EP);
B01F23/2373 (EP);
B01F25/31421 (EP);
B03D1/1431 (EP);
B01F2215/0431 (EP);
B01F23/23 (EP);
B01F23/23123 (EP,US);
| Designated contracting states | DE, ES, FR, GB, IT, SE [1990/17] | Title | German: | Verfahren und Vorrichtung zur Erzeugung von Mikroblasen in Schaumflotation-Mineralaufbereitungssystemen | [1990/17] | English: | Method and apparatus for generating microbubbles in froth flotation mineral concentration systems | [1990/17] | French: | Procédé et dispositif de production de microbulles dans les systèmes de concentration de minerais par flottation avec écumage | [1990/17] | File destroyed: | 15.08.2001 | Examination procedure | 24.01.1991 | Application deemed to be withdrawn, date of legal effect [2001/40] | 25.10.1991 | Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time [2001/40] | Fees paid | Penalty fee | Penalty fee Rule 85b EPC 1973 | 28.08.1991 | M01 Not yet paid | Additional fee for renewal fee | 28.02.1991 | 03 M06 Not yet paid |
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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 | [X]GB694918 (F S GIBBS INC); | [AD]US2758714 (HOLLINGSWORTH CLINTON A); | [A]DE2046254 (ATOMIC ENERGY OF CANADA LTD); | [AD]US4735709 (ZIPPERIAN DONALD E [US]) | [X] - AUFBEREITUNGS TECHNIK. vol. 29, no. 8, August 1988WIESBADEN DE pages 451 - 458; R. IMHOF: "Pneumatic flotation - a modern alternative" |