| EP0062749 - Method for the production of precipitated silicas [Right-click to bookmark this link] | |||
| Former [1982/42] | Precipitated silicas and method for their production | ||
| [1985/21] | Status | No opposition filed within time limit Status updated on 26.03.1986 Database last updated on 28.03.2026 | Most recent event Tooltip | 26.03.1986 | No opposition filed within time limit | published on 14.05.1986 [1986/20] | Applicant(s) | For all designated states Degussa GmbH Weissfrauenstrasse 9 60311 Frankfurt / DE | [N/P] |
| Former [1982/42] | For all designated states Degussa Aktiengesellschaft Weissfrauenstrasse 9 D-60311 Frankfurt / DE | Inventor(s) | 01 /
Nauroth, Peter Germanusstrasse 8 D-5047 Wesseling / DE | 02 /
Kuhlmann, Robert Paul-Keller-Strasse 24 D-5042 Erftstadt / DE | 03 /
Türk, Günter, Dr. Liesingstrasse 3 D-6450 Hanau 9 / DE | 04 /
Becker, Adam Weser Strasse 17 D-5303 Bron.-Hersel / DE | [1982/42] | Application number, filing date | 82101471.9 | 26.02.1982 | [1982/42] | Priority number, date | DE19813114493 | 10.04.1981 Original published format: DE 3114493 | [1982/42] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0062749 | Date: | 20.10.1982 | Language: | DE | [1982/42] | Type: | B1 Patent specification | No.: | EP0062749 | Date: | 22.05.1985 | Language: | DE | [1985/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.06.1982 | Classification | IPC: | C01B33/193, // C09C1/30, C08K3/36, C08L21/00 | [1982/42] | CPC: |
A61K8/25 (EP,US);
A61Q11/00 (EP,US);
C01B33/193 (EP,US);
C09C1/30 (EP,US);
A61K2800/412 (EP,US);
C01P2004/50 (EP,US);
C01P2004/51 (EP,US);
C01P2004/61 (EP,US);
C01P2006/10 (EP,US);
C01P2006/11 (EP,US);
C01P2006/12 (EP,US);
C01P2006/19 (EP,US);
C01P2006/22 (EP,US);
C01P2006/60 (EP,US);
C01P2006/80 (EP,US);
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1982/42] | Title | German: | Verfahren zur Herstellung von Fällungskieselsäuren | [1985/21] | English: | Method for the production of precipitated silicas | [1985/21] | French: | Procédé pour l'obtention de silices précipitées | [1985/21] |
| Former [1982/42] | Fällungskieselsäuren und Verfahren zu ihrer Herstellung | ||
| Former [1982/42] | Precipitated silicas and method for their production | ||
| Former [1982/42] | Silices précipitées et procédé pour leur obtention | Examination procedure | 26.02.1982 | Examination requested [1982/42] | 12.12.1983 | Despatch of a communication from the examining division (Time limit: M04) | 11.04.1984 | Reply to a communication from the examining division | 17.08.1984 | Despatch of communication of intention to grant (Approval: ) | 07.11.1984 | Communication of intention to grant the patent | 17.01.1985 | Fee for grant paid | 17.01.1985 | Fee for publishing/printing paid | Opposition(s) | 25.02.1986 | No opposition filed within time limit [1986/20] | Fees paid | Renewal fee | 03.02.1984 | Renewal fee patent year 03 | 07.02.1985 | Renewal fee patent year 04 |
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