EP0157163 - Process and apparatus for the flotation of dispersions [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 18.07.1988 Database last updated on 22.08.2024 | Most recent event Tooltip | 18.07.1988 | No opposition filed within time limit | published on 07.09.1988 [1988/36] | Applicant(s) | For all designated states Feldmühle Aktiengesellschaft Fritz-Vomfelde-Platz 4 D-40547 Düsseldorf / DE | For all designated states E. + M. Lamort Société Anonyme dite: rue de la Fontaine Ludot F-51300 Vitry-le-François / FR | [1985/41] | Inventor(s) | 01 /
Barnscheidt, Wolfgang, Dr. Dipl.-Ing. u.Dipl.-Phys Am alten Schalg 1 D-4047 Dormagen-Straberg / DE | [1985/41] | Representative(s) | (deleted) | [1986/38] |
Former [1985/41] | Uhlmann, Hans, Dr. rer.nat., Dipl.-Chem. Hofstrasse 83 D-41747 Viersen / DE | Application number, filing date | 85102085.9 | 26.02.1985 | [1985/41] | Priority number, date | DE19843406990 | 27.02.1984 Original published format: DE 3406990 | [1985/41] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0157163 | Date: | 09.10.1985 | Language: | DE | [1985/41] | Type: | B1 Patent specification | No.: | EP0157163 | Date: | 09.09.1987 | Language: | DE | [1987/37] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.08.1985 | Classification | IPC: | D21B1/32, D21F1/70, B03D1/14 | [1985/41] | CPC: |
D21B1/327 (EP,US);
B03D1/1418 (EP,US);
B03D1/1456 (EP,US);
B03D1/1462 (EP,US);
B03D1/1475 (EP,US);
B03D1/1487 (EP,US);
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1985/41] | Title | German: | Verfahren und Vorrichtung zum Flotieren von Dispersionen | [1987/37] | English: | Process and apparatus for the flotation of dispersions | [1985/41] | French: | Procédé et dispositif pour la flottation des dispersions | [1985/41] |
Former [1985/41] | Verfahren und Vorrichtung zum Flottieren von Dispersionen | Examination procedure | 14.03.1985 | Examination requested [1985/41] | 15.09.1986 | Despatch of a communication from the examining division (Time limit: M04) | 22.10.1986 | Reply to a communication from the examining division | 28.10.1986 | Despatch of a communication from the examining division (Time limit: M04) | 04.11.1986 | Reply to a communication from the examining division | 20.02.1987 | Despatch of communication of intention to grant (Approval: ) | 10.03.1987 | Communication of intention to grant the patent | 26.03.1987 | Fee for grant paid | 26.03.1987 | Fee for publishing/printing paid | Opposition(s) | 10.06.1988 | No opposition filed within time limit [1988/36] | Fees paid | Renewal fee | 02.01.1987 | Renewal fee patent year 03 |
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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]FR703922 ; | [A]WO8000423 (FELDMUEHLE AG [DE], et al); | [A]EP0037513 (FELDMUEHLE AG [DE], et al) |