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EP0370735
European procedure
Extract from the Register of European Patents
EP About this file: EP0370735
| EP0370735 - Manufacture of modified polypropylene compositions using non-intermeshing twin screw extruder [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 25.06.1994 Database last updated on 31.08.2024 | Most recent event Tooltip | 25.06.1994 | No opposition filed within time limit | published on 17.08.1994 [1994/33] | Applicant(s) | For all designated states Du Pont Canada Inc. Box 2200, Streetsville Postal Station Mississauga Ontario L5M 2H3 / CA | [N/P] |
| Former [1991/02] | For all designated states Du Pont Canada Inc. Box 2200, Streetsville Postal Station Mississauga, Ontario L5M 2H3 / CA | ||
| Former [1990/22] | For all designated states DU PONT CANADA INC. Box 2200 Streetsville Mississauga Ontario L5M 2H3 / CA | Inventor(s) | 01 /
Kelusky, Eric Charles 2659 Hamilton Road Box 357 Brights Grove Ontario NON 1CO / CA | [1990/22] | Representative(s) | Harrison, David Christopher, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [1990/22] | Harrison, David Christopher, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 89312019.6 | 20.11.1989 | [1990/22] | Priority number, date | GB19880027336 | 23.11.1988 Original published format: GB 8827336 | [1990/22] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0370735 | Date: | 30.05.1990 | Language: | EN | [1990/22] | Type: | A3 Search report | No.: | EP0370735 | Date: | 22.08.1990 | Language: | EN | [1990/34] | Type: | B1 Patent specification | No.: | EP0370735 | Date: | 25.08.1993 | Language: | EN | [1993/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.07.1990 | Classification | IPC: | C08F255/02, B29C47/04, // (C08F255/02, 222:00) | [1990/22] | CPC: |
C08F255/02 (EP,US);
B29C48/022 (EP,US);
B29C48/41 (EP,US);
C08L51/06 (EP);
B29C48/03 (EP,US)
| C-Set: |
C08F255/02, C08F222/00 (EP);
C08L51/06, C08L2666/04 (EP) | Designated contracting states | DE, FR, GB, IT, NL [1990/22] | Title | German: | Herstellung von modifizierten Polypropylen-Zusammensetzungen unter Verwendung eines nichtkämmenden Doppelschneckenextruders | [1990/22] | English: | Manufacture of modified polypropylene compositions using non-intermeshing twin screw extruder | [1990/22] | French: | Fabrication de compositions de polypropylène modifié utilisant une extrudeuse à deux vis non interengrenantes | [1990/22] | Examination procedure | 10.12.1990 | Examination requested [1991/06] | 13.04.1992 | Despatch of a communication from the examining division (Time limit: M04) | 05.06.1992 | Reply to a communication from the examining division | 21.12.1992 | Despatch of communication of intention to grant (Approval: Yes) | 22.02.1993 | Communication of intention to grant the patent | 21.05.1993 | Fee for grant paid | 21.05.1993 | Fee for publishing/printing paid | Opposition(s) | 26.05.1994 | No opposition filed within time limit [1994/33] | Fees paid | Renewal fee | 26.11.1991 | Renewal fee patent year 03 | 29.10.1992 | 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 | [YD]US3742093 (SKIDMORE R); | [YD]GB1519500 (BASF AG); | [AD]US4698395 (INOUE TAKAYUKI [JP], et al); | [A]US4762890 (STRAIT CHAD A [US], et al) |