EP0741701 - PRODUCTION OF POLYSUCCINIMIDE [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.06.2000 Database last updated on 03.06.2024 | Most recent event Tooltip | 04.01.2003 | Lapse of the patent in a contracting state | published on 19.02.2003 [2003/08] | Applicant(s) | For all designated states DONLAR CORPORATION 6502 South Archer Avenue Bedford Park, IL 60501-9998 / US | [1996/46] | Inventor(s) | 01 /
BATZEL, Daniel, A. 4815 Jerome Street Skokie, IL 60077 / US | [1996/46] | Representative(s) | Lawrence, Malcolm Graham, et al Avidity IP Broers Building Hauser Forum 21 JJ Thomson Ave Cambridge CB3 0FA / GB | [N/P] |
Former [1998/04] | Lawrence, Malcolm Graham, et al Hepworth, Lawrence, Bryer & Bizley Merlin House Falconry Court Baker's Lane Epping Essex CM16 5DQ / GB | ||
Former [1996/46] | Couchman, Jonathan Hugh, et al Hepworth Lawrence Bryer & Bizley Bloxam Court Corporation Street Rugby, Warwickshire CV21 2DU / GB | Application number, filing date | 95909366.7 | 27.01.1995 | [1996/46] | WO1995US01127 | Priority number, date | US19940188525 | 28.01.1994 Original published format: US 188525 | [1996/46] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9520573 | Date: | 03.08.1995 | Language: | EN | [1995/33] | Type: | A1 Application with search report | No.: | EP0741701 | Date: | 13.11.1996 | Language: | EN | The application published by WIPO in one of the EPO official languages on 03.08.1995 takes the place of the publication of the European patent application. | [1996/46] | Type: | B1 Patent specification | No.: | EP0741701 | Date: | 25.08.1999 | Language: | EN | [1999/34] | Search report(s) | International search report - published on: | US | 03.08.1995 | (Supplementary) European search report - dispatched on: | EP | 12.02.1997 | Classification | IPC: | C08F283/04, C08G73/06 | [1997/13] | CPC: |
C08F22/40 (EP,US);
C08F8/44 (EP,US)
| C-Set: |
C08F8/44, C08F8/12, C08F122/06 (EP,US)
|
Former IPC [1996/46] | C07D207/40, C08F283/04 | Designated contracting states | DE, FR, GB, IT, NL [1996/46] | Title | German: | VERFAHREN ZUR HERSTELLUNG VON POLYSUCCINIMID | [1996/46] | English: | PRODUCTION OF POLYSUCCINIMIDE | [1996/46] | French: | PRODUCTION DE POLYSUCCINIMIDE | [1996/46] | Entry into regional phase | 14.08.1996 | National basic fee paid | 14.08.1996 | Search fee paid | 14.08.1996 | Designation fee(s) paid | 14.08.1996 | Examination fee paid | Examination procedure | 24.08.1995 | Request for preliminary examination filed International Preliminary Examining Authority: US | 14.08.1996 | Examination requested [1996/46] | 16.10.1997 | Despatch of a communication from the examining division (Time limit: M06) | 26.02.1998 | Reply to a communication from the examining division | 27.05.1998 | Despatch of a communication from the examining division (Time limit: M02) | 06.08.1998 | Reply to a communication from the examining division | 19.10.1998 | Despatch of communication of intention to grant (Approval: Yes) | 26.02.1999 | Communication of intention to grant the patent | 16.04.1999 | Fee for grant paid | 16.04.1999 | Fee for publishing/printing paid | Opposition(s) | 26.05.2000 | No opposition filed within time limit [2000/32] | Fees paid | Renewal fee | 30.01.1997 | Renewal fee patent year 03 | 30.01.1998 | Renewal fee patent year 04 | 29.01.1999 | Renewal fee patent year 05 |
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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. | Lapses during opposition Tooltip | NL | 25.08.1999 | [2003/08] | Documents cited: | Search | [A]WO9323452 (SRCHEM INC [US]) [A] 1-19* the whole document *; | [PA]DE4305368 (BAYER AG [DE]) [PA] 1-19 * the whole document * | International search | [Y]US4839461 (BOEHMKE GUENTHER [DE]); | [Y]US5219952 (KOSKAN LARRY P [US], et al); | [YP]US5367047 (WOOD LOUIS L [US]) |