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EP0523480
European procedure
Extract from the Register of European Patents
EP About this file: EP0523480
| EP0523480 - Polymers of acrylic esters containing ammonium groups and long chain hydrocarbon oxy-groups [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.08.1996 Database last updated on 20.07.2024 | Most recent event Tooltip | 09.08.1996 | No opposition filed within time limit | published on 25.09.1996 [1996/39] | Applicant(s) | For all designated states Th. Goldschmidt AG Goldschmidtstrasse 100 45127 Essen / DE | [N/P] |
| Former [1993/03] | For all designated states Th. Goldschmidt AG Goldschmidtstrasse 100 D-45127 Essen / DE | Inventor(s) | 01 /
Fock, Jürgen, Dr. Mörsenbroicher Weg 114 W-4000 Düsseldorf 30 / DE | 02 /
Leidreiter, Holger, Dr. Reuenberg 98 a W-4300 Essen 11 / DE | 03 /
Esselborn, Eberhard Pilotystrasse 21 W-4300 Essen 1 / DE | [1993/03] | Application number, filing date | 92111341.1 | 03.07.1992 | [1993/03] | Priority number, date | DE19914123478 | 16.07.1991 Original published format: DE 4123478 | [1993/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0523480 | Date: | 20.01.1993 | Language: | DE | [1993/03] | Type: | B1 Patent specification | No.: | EP0523480 | Date: | 04.10.1995 | Language: | DE | [1995/40] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.10.1992 | Classification | IPC: | C08F8/30, C08F8/44 | [1993/03] | CPC: |
A61K8/86 (EP);
A61Q5/02 (EP);
C08F8/30 (EP);
C08F8/44 (EP)
| C-Set: |
C08F8/30, C08F20/12 (EP);
C08F8/44, C08F20/12 (EP) | Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI, NL [1993/03] | Title | German: | Polyacrylsäureester mit Ammonium- und langkettigen Kohlenwasserstoffoxy-Gruppen | [1993/03] | English: | Polymers of acrylic esters containing ammonium groups and long chain hydrocarbon oxy-groups | [1993/03] | French: | Polymères d'esters acryliques renfermant des groupements d'ammonium et des groupements d'oxy-hydrocarbures à longues chaînes | [1993/03] | Examination procedure | 11.07.1992 | Examination requested [1993/03] | 01.12.1994 | Despatch of communication of intention to grant (Approval: Yes) | 15.12.1994 | Communication of intention to grant the patent | 14.02.1995 | Fee for grant paid | 14.02.1995 | Fee for publishing/printing paid | Opposition(s) | 05.07.1996 | No opposition filed within time limit [1996/39] | Fees paid | Renewal fee | 07.07.1994 | Renewal fee patent year 03 | 11.07.1995 | 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 | [Y]EP0293750 (BASF AG [DE]); | [YD]EP0373494 (GOLDSCHMIDT AG TH [DE]); | [Y]EP0386507 (GOLDSCHMIDT AG TH [DE]); | [A]FR2528435 (INST FRANCAIS DU PETROLE [FR]); | [A]GB1023281 (ROHM & HAAS) |