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EP0455930
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EP About this file: EP0455930
| EP0455930 - Process for polymerising one or more 1-olefins in a gas phase with the help of a composition containing a prepolymer [Right-click to bookmark this link] | Status | The application has been refused Status updated on 19.10.1995 Database last updated on 02.11.2024 | Most recent event Tooltip | 19.10.1995 | Refusal of application | published on 06.12.1995 [1995/49] | Applicant(s) | For all designated states BP Chemicals Limited Britannic House, 1 Finsbury Circus London EC2M 7BA / GB | [N/P] |
| Former [1993/23] | For all designated states BP Chemicals Limited Britannic House 1 Finsbury Circus London EC2M 7BA / GB | ||
| Former [1991/46] | For all designated states BP Chemicals Limited Belgrave House 76 Buckingham Palace Road London, SW1W 0SU / GB | Inventor(s) | 01 /
Bailley, Jean-Claude Andre, BP Chemicals S.N.C. BP No. 6 F-13117 Lavera / FR | 02 /
Collomb, Joelle, BP Chemicals S.N.C. BP No. 6 F-13117 Lavera / FR | [1991/46] | Representative(s) | Denbigh, Keith Warwick, et al BP INTERNATIONAL LIMITED Patents Division Chertsey Road Sunbury-on-Thames Middlesex, TW16 7LN / GB | [N/P] |
| Former [1991/46] | Denbigh, Keith Warwick, et al BP INTERNATIONAL LIMITED Patents Division Chertsey Road Sunbury-on-Thames Middlesex, TW16 7LN / GB | Application number, filing date | 91100182.4 | 02.10.1987 | [1991/46] | Priority number, date | FR19860013854 | 02.10.1986 Original published format: FR 8613854 | FR19860013855 | 02.10.1986 Original published format: FR 8613855 | [1991/46] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0455930 | Date: | 13.11.1991 | Language: | EN | [1991/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 10.09.1991 | Classification | IPC: | C08F2/34, C08F2/44, C08F10/00 | [1991/46] | CPC: |
C08F10/00 (EP,US);
Y10S526/901 (EP,US);
Y10S526/904 (EP,US)
| C-Set: |
C08F10/00, C08F2/34 (EP,US);
C08F10/00, C08F2/44 (US,EP) | Designated contracting states | BE, DE, ES, FR, GB, IT, NL, SE [1991/46] | Title | German: | Verfahren zur Polymerisation eines oder mehrerer alpha-Olefine im gasförmigen Zustand unter Anwendung einer Prepolymer enthaltenden Zusammensetzung | [1991/46] | English: | Process for polymerising one or more 1-olefins in a gas phase with the help of a composition containing a prepolymer | [1991/46] | French: | Procédé de polymérisation d'un ou plusieurs alpha-oléfines en phase gazeuse à l'aide d'une composition contenant un prépolymère | [1991/46] | Examination procedure | 14.03.1992 | Examination requested [1992/19] | 13.01.1994 | Despatch of a communication from the examining division (Time limit: M06) | 20.07.1994 | Reply to a communication from the examining division | 31.01.1995 | Despatch of communication of intention to grant (Approval: ) | 12.07.1995 | Despatch of communication that the application is refused, reason: formalities examination [1995/49] | 22.07.1995 | Application refused, date of legal effect [1995/49] | Parent application(s) Tooltip | EP87308777.9 / EP0266074 | Fees paid | Renewal fee | 23.01.1991 | Renewal fee patent year 03 | 23.01.1991 | Renewal fee patent year 04 | 22.08.1991 | Renewal fee patent year 05 | 24.09.1992 | Renewal fee patent year 06 | 13.09.1993 | Renewal fee patent year 07 | 05.09.1994 | Renewal fee patent year 08 |
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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]FR2383701 (BADGER CO [US]); | [A]EP0180420 (BP CHEM INT LTD [GB]) |