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EP0186736
European procedure
Extract from the Register of European Patents
EP About this file: EP0186736
| EP0186736 - Process for the purification of silicone oils [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.05.1990 Database last updated on 19.10.2024 | Most recent event Tooltip | 29.05.1990 | No opposition filed within time limit | published on 18.07.1990 [1990/29] | Applicant(s) | For all designated states Licentia Patent-Verwaltungs-GmbH Theodor-Stern-Kai 1 60596 Frankfurt / DE | [N/P] |
| Former [1986/28] | For all designated states Licentia Patent-Verwaltungs-GmbH Theodor-Stern-Kai 1 D-60596 Frankfurt / DE | Inventor(s) | 01 /
George, Ulf Burgunderweg 9 D-7900 Ulm / DE | 02 /
Merk, Hans Bruckackerstrasse 17 D-7900 Ulm-Gögglingen / DE | 03 /
Rochau, Erwin Angerstrasse 58 D-7915 Elchingen 1 / DE | 04 /
Behnke, Joachim Starenweg 3 D-7915 Elchingen 1 / DE | [1986/28] | Representative(s) | Schulze, Harald Rudolf Licentia Patent-Verwaltungs-GmbH Theodor-Stern-Kai 1 60596 Frankfurt / DE | [N/P] |
| Former [1986/28] | Schulze, Harald Rudolf, Dipl.-Ing. Licentia Patent-Verwaltungs-GmbH Theodor-Stern-Kai 1 D-60596 Frankfurt / DE | Application number, filing date | 85112151.7 | 25.09.1985 | [1986/28] | Priority number, date | DE19843441353 | 13.11.1984 Original published format: DE 3441353 | DE19853508219 | 08.03.1985 Original published format: DE 3508219 | [1986/28] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0186736 | Date: | 09.07.1986 | Language: | DE | [1986/28] | Type: | B1 Patent specification | No.: | EP0186736 | Date: | 26.07.1989 | Language: | DE | [1989/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.04.1986 | Classification | IPC: | C08G77/34, C08J11/06, H01B3/46, C10M107/50 | [1986/28] | CPC: |
C08G77/34 (EP);
H01B3/465 (EP)
| Designated contracting states | DE, GB, IT [1986/28] | Title | German: | Verfahren zur Reinigung von Siliconöl | [1986/28] | English: | Process for the purification of silicone oils | [1986/28] | French: | Procédé de purification d'huiles de silicone | [1986/28] | Examination procedure | 21.08.1986 | Examination requested [1986/43] | 15.09.1987 | Despatch of a communication from the examining division (Time limit: M04) | 19.12.1987 | Reply to a communication from the examining division | 02.03.1988 | Despatch of a communication from the examining division (Time limit: M04) | 16.04.1988 | Reply to a communication from the examining division | 02.11.1988 | Despatch of communication of intention to grant (Approval: Yes) | 24.01.1989 | Communication of intention to grant the patent | 09.02.1989 | Fee for grant paid | 09.02.1989 | Fee for publishing/printing paid | Opposition(s) | 27.04.1990 | No opposition filed within time limit [1990/29] | Fees paid | Renewal fee | 10.09.1987 | Renewal fee patent year 03 | 08.09.1988 | 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]JP7741313 ; | [A]JP7541098 ; | [A]US3838056 (VINCENT G); | [A]GB2015825 (DOW CORNING); | [A]DE813189 (BENSMANN C H NIKOLAUS DR); | [A]GB2093855 (DOW CORNING) | [A] - CHEMICAL ABSTRACTS, Band 88, Nr. 14, 3. April 1978, Seite 43, Zusammenfassung 90648m, Columbus, Ohio, US; & JP - A - 77 41 313 (M. ABE) 18.10.1977, & JP7741313 A 00000000 | [A] - CHEMICAL ABSTRACTS, Band 83, Nr. 16, 20. Oktober 1975, Seite 645, Zusammenfassung 140880a, Columbus, Ohio, US; & JP - A - 75 41 098 (HITACHI LTD.) 15.04.1975, & JP7541098 A 00000000 |