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EP0534228
European procedure
Extract from the Register of European Patents
EP About this file: EP0534228
| EP0534228 - Process for modifying hydrophilic polymerisates [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 05.07.1996 Database last updated on 13.11.2024 | Most recent event Tooltip | 05.07.1996 | No opposition filed within time limit | published on 21.08.1996 [1996/34] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1995/50] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | ||
| Former [1995/01] | For all designated states CASSELLA Aktiengesellschaft Hanauer Landstrasse 526 D-60386 Frankfurt / DE | ||
| Former [1993/13] | For all designated states CASSELLA Aktiengesellschaft Hanauer Landstrasse 526 D-60386 Frankfurt / DE | Inventor(s) | 01 /
Engelhardt, Friedrich, Dr. Hünfelderstrasse 20 W-6000 Frankfurt am Main / DE | 02 /
Stüven, Uwe Im Hopfengarten 35 W-6232 Bad Soden / DE | 03 /
Mayer, Manfred, Dr. Königsbergerstrasse 8 W-6272 Niedernhausen / DE | [1993/13] | Representative(s) | (deleted) | [1995/50] |
| Former [1994/51] | Muley, Ralf, Dr., et al Cassella AG, Patentabteilung, Hanauer Landstrasse 526 D-60386 Frankfurt / DE | ||
| Former [1993/17] | Urbach, Hans-Georg, Dr. CASSELLA AKTIENGESELLSCHAFT, Patentabteilung, Hanauer Landstrasse 526 D-60386 Frankfurt / DE | ||
| Former [1993/13] | Urbach, Hans-Georg, Dr. CASSELLA AKTIENGESELLSCHAFT Patentabteilung Hanauer Landstrasse 526 D-60386 Frankfurt / DE | Application number, filing date | 92115391.2 | 09.09.1992 | [1993/13] | Priority number, date | DE19914131045 | 18.09.1991 Original published format: DE 4131045 | [1993/13] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0534228 | Date: | 31.03.1993 | Language: | DE | [1993/13] | Type: | B1 Patent specification | No.: | EP0534228 | Date: | 30.08.1995 | Language: | DE | [1995/35] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.12.1992 | Classification | IPC: | C08J3/20, C08J3/12, C08J3/24 | [1993/13] | CPC: |
C08J3/203 (EP,US);
B01F23/51 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, NL, SE [1993/13] | Title | German: | Verfahren zum Modifizieren hydrophiler Polymerisate | [1993/13] | English: | Process for modifying hydrophilic polymerisates | [1993/13] | French: | Procédé de modification de polymérisats hydrophiles | [1993/13] | Examination procedure | 16.04.1993 | Examination requested [1993/24] | 08.09.1993 | Despatch of a communication from the examining division (Time limit: M04) | 06.10.1993 | Despatch of a communication from the examining division (Time limit: M04) | 11.12.1993 | Reply to a communication from the examining division | 08.11.1994 | Despatch of communication of intention to grant (Approval: No) | 22.02.1995 | Despatch of communication of intention to grant (Approval: later approval) | 27.02.1995 | Communication of intention to grant the patent | 09.06.1995 | Fee for grant paid | 09.06.1995 | Fee for publishing/printing paid | Opposition(s) | 31.05.1996 | No opposition filed within time limit [1996/34] | Fees paid | Renewal fee | 30.09.1994 | 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 | [Y]GB1376091 (UNION CARBIDE CORP); | [Y]EP0010752 (HOECHST AG [DE]); | [A]FR2559158 (ARAKAWA CHEM IND [JP]) |