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EP0243083
European procedure
Extract from the Register of European Patents
EP About this file: EP0243083
| EP0243083 - Isopropanolamines as catalyst deactivators in solution process for polymerization of alpha-olefins [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 30.05.1991 Database last updated on 24.08.2024 | Most recent event Tooltip | 30.05.1991 | No opposition filed within time limit | published on 17.07.1991 [1991/29] | 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 [1987/44] | For all designated states DU PONT CANADA INC. Box 2200 Streetsville Postal Station Mississauga Ontario L5M 2H3 / CA | Inventor(s) | 01 /
Zboril, Vaclav George 613 Pimlico Place Kingston, ON K7M 5T7 / CA | 02 /
Mitchell, David John 242 Willingdon Avenue Kingston, ON K7L 4J1 / CA | [1990/30] |
| Former [1987/44] | 01 /
Zboril, Vaclav George 613 Pimlico Place Kingston Ontario, K7M 5T7 / CA | ||
| 02 /
Mitchell, David John 242 Willingdon Avenue Kingston Ontario, K7L 4J1 / CA | Representative(s) | Ellis, John Clifford H., et al MEWBURN ELLIS & CO. 2/3 Cursitor Street London EC4A 1BQ / GB | [N/P] |
| Former [1987/44] | Ellis, John Clifford Holgate, et al MEWBURN ELLIS & CO. 2/3 Cursitor Street London EC4A 1BQ / GB | Application number, filing date | 87303322.9 | 15.04.1987 | [1987/44] | Priority number, date | GB19860010126 | 25.04.1986 Original published format: GB 8610126 | [1987/44] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0243083 | Date: | 28.10.1987 | Language: | EN | [1987/44] | Type: | B1 Patent specification | No.: | EP0243083 | Date: | 25.07.1990 | Language: | EN | [1990/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.07.1987 | Classification | IPC: | C08F6/02 | [1987/44] | CPC: |
C08F6/02 (EP,US);
C08F2/04 (KR)
| Designated contracting states | AT, BE, DE, FR, GB, IT, NL, SE [1987/44] | Title | German: | Isopropanolamine als Katalysatordeaktivierungsmittel in einem alpha-Olefin-Lösungspolymerisationsverfahren | [1987/44] | English: | Isopropanolamines as catalyst deactivators in solution process for polymerization of alpha-olefins | [1987/44] | French: | Isopropanolamines en tant que désactivateur de catalyseur dans un procédé de polymérisation d'alphaoléfines en solution | [1987/44] | Examination procedure | 16.01.1988 | Examination requested [1988/12] | 29.03.1989 | Despatch of a communication from the examining division (Time limit: M04) | 22.05.1989 | Reply to a communication from the examining division | 24.10.1989 | Despatch of communication of intention to grant (Approval: Yes) | 24.01.1990 | Communication of intention to grant the patent | 19.03.1990 | Fee for grant paid | 19.03.1990 | Fee for publishing/printing paid | Opposition(s) | 26.04.1991 | No opposition filed within time limit [1991/29] | Fees paid | Renewal fee | 22.04.1989 | Renewal fee patent year 03 | 24.04.1990 | 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 | [A]US2921057 (KERN MERTZWEILLER JOSEPH); | [AD]US4454270 (KOLODCHIN WILLIAM [US], et al); | [A]EP0116917 (RUHRCHEMIE AG [DE]) |