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EP0468095
European procedure
Extract from the Register of European Patents
EP About this file: EP0468095
| EP0468095 - Use of oxyalkylated alkylpolyglycosides as demulsifying agents for breaking mineral oil emulsions [Right-click to bookmark this link] | |||
| Former [1992/05] | Demulsifying agents for breaking mineral oil emulsions | ||
| [1994/18] | Status | No opposition filed within time limit Status updated on 09.03.1995 Database last updated on 18.10.2024 | Most recent event Tooltip | 09.03.1995 | No opposition filed within time limit | published on 26.04.1995 [1995/17] | Applicant(s) | For all designated states HÜLS AKTIENGESELLSCHAFT 45764 Marl / DE | [N/P] |
| Former [1993/45] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | ||
| Former [1992/05] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | Inventor(s) | 01 /
Berkhof, Rudi Van Suchtelenstrasse 14 NL-7491 KC Delden / NL | 02 /
Kwekkeboom, Herman Willi Brordlaan 28 NL-7581 DI Losser / NL | 03 /
Balzer, Dieter, Dr. Talstrasse 21 W-4358 Haltern / DE | 04 /
Ripke, Norbert, Dr. Hellweg 28 W-4358 Haltern / DE | [1992/05] | Application number, filing date | 90124138.0 | 13.12.1990 | [1992/05] | Priority number, date | DE19904023834 | 27.07.1990 Original published format: DE 4023834 | [1992/05] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0468095 | Date: | 29.01.1992 | Language: | DE | [1992/05] | Type: | A3 Search report | No.: | EP0468095 | Date: | 29.07.1992 | Language: | DE | [1992/31] | Type: | B1 Patent specification | No.: | EP0468095 | Date: | 04.05.1994 | Language: | DE | [1994/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.06.1992 | Classification | IPC: | C10G33/04 | [1992/05] | CPC: |
C10G33/04 (EP,US)
| Designated contracting states | DE, GB, NL [1992/05] | Title | German: | Verwendung von oxalkylierten Alkylpolyglycosiden als Demulgatoren zur Spaltung von Erdölemulsionen | [1994/18] | English: | Use of oxyalkylated alkylpolyglycosides as demulsifying agents for breaking mineral oil emulsions | [1994/18] | French: | Utilisation des alkylpolyglycosides oxyalkylés comme désémulsifiants pour dissociation d'huiles minérales | [1994/18] |
| Former [1992/05] | Demulgatoren zur Spaltung von Erdölemulsionen | ||
| Former [1992/05] | Demulsifying agents for breaking mineral oil emulsions | ||
| Former [1992/05] | Désémulsifiants pour dissociation d'huiles minérales | Examination procedure | 13.12.1990 | Examination requested [1992/05] | 13.07.1993 | Despatch of a communication from the examining division (Time limit: M04) | 30.08.1993 | Reply to a communication from the examining division | 15.10.1993 | Despatch of communication of intention to grant (Approval: Yes) | 03.11.1993 | Communication of intention to grant the patent | 03.12.1993 | Fee for grant paid | 03.12.1993 | Fee for publishing/printing paid | Opposition(s) | 07.02.1995 | No opposition filed within time limit [1995/17] | Fees paid | Renewal fee | 19.11.1992 | Renewal fee patent year 03 | 18.11.1993 | 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 | [AD]DE3142955 (HOECHST AG [DE]); | [AD]US4834903 (ROTH CLARIS D [US], et al); | [A]EP0333141 (HOECHST AG [DE]); | [A]EP0333135 (HOECHST AG [DE]) |