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EP0233787
European procedure
Extract from the Register of European Patents
EP About this file: EP0233787
| EP0233787 - The detection of anomolies in gas fluidised bed polymerisation [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.06.1991 Database last updated on 19.10.2024 | Most recent event Tooltip | 20.06.1991 | No opposition filed within time limit | published on 07.08.1991 [1991/32] | Applicant(s) | For all designated states BP Chemicals Limited Belgrave House 76 Buckingham Palace Road London, SW1W 0SU / GB | [N/P] |
| Former [1987/35] | For all designated states BP Chemicals Limited Belgrave House 76 Buckingham Palace Road London, SW1W 0SU / GB | Inventor(s) | 01 /
Marsaly, Alain BP Chimie S.A. Lavera Refinery Boite Postale 1 F-13117 Lavera / FR | 02 /
Martens, André BP Chimie S.A. Lavera Refinery Boite Postale 1 F-13117 Lavera / FR | 03 /
Morterol, Frederic Robert Marie Michel BP Chimie S.A. Lavera Refinery Boite Postale 1 F-13117 Lavera / FR | 04 /
Raufast, Charles BP Chimie S.A. Lavera Refinery Boite Postale 1 F-13117 Lavera / FR | [1987/35] | Representative(s) | Delgrange, Jean-Paul Maurice Emile, et al BP INTERNATIONAL LIMITED Patents Division Chertsey Road Sunbury-on-Thames Middlesex TW16 7LN / GB | [N/P] |
| Former [1987/35] | Delgrange, Jean Paul Maurice Emile, et al BP INTERNATIONAL LIMITED Patents Division Chertsey Road Sunbury-on-Thames Middlesex TW16 7LN / GB | Application number, filing date | 87301457.5 | 19.02.1987 | [1987/35] | Priority number, date | FR19860002270 | 19.02.1986 Original published format: FR 8602270 | [1987/35] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0233787 | Date: | 26.08.1987 | Language: | EN | [1987/35] | Type: | B1 Patent specification | No.: | EP0233787 | Date: | 16.08.1990 | Language: | EN | [1990/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.06.1987 | Classification | IPC: | B01J8/24, C08F2/34 | [1987/35] | CPC: |
C10G11/187 (EP,US);
B01J8/1809 (EP,US);
C08F10/00 (EP,US);
B01J2208/00008 (EP,US);
B01J2208/0007 (EP,US);
B01J2208/00681 (EP,US);
B01J2219/00191 (EP,US)
(-)
| C-Set: |
C08F10/00, C08F2/00 (US,EP);
C08F10/00, C08F2/34 (EP,US) | Designated contracting states | DE, FR, GB, IT, SE [1987/35] | Title | German: | Abnormitätenaufspürung in durch Gas fluidisierter Wirbelschichtpolymerisation | [1987/35] | English: | The detection of anomolies in gas fluidised bed polymerisation | [1987/35] | French: | Détection des anomalies dans un lit fluidisé de polymérisation en phase gazeuse | [1987/35] | Examination procedure | 22.01.1988 | Examination requested [1988/12] | 02.02.1989 | Despatch of a communication from the examining division (Time limit: M06) | 27.07.1989 | Reply to a communication from the examining division | 19.09.1989 | Despatch of communication of intention to grant (Approval: No) | 08.01.1990 | Despatch of communication of intention to grant (Approval: later approval) | 31.01.1990 | Communication of intention to grant the patent | 03.03.1990 | Fee for grant paid | 03.03.1990 | Fee for publishing/printing paid | Opposition(s) | 17.05.1991 | No opposition filed within time limit [1991/32] | Fees paid | Renewal fee | 10.01.1989 | Renewal fee patent year 03 | 22.12.1989 | 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]JP55008848 ; | [A]JP55152542 ; | [Y]DE3006754 (AGENCY IND SCIENCE TECHN); | [A]EP0093801 (WESTINGHOUSE ELECTRIC CORP [US]); | [A]US4441435 (MIYAMOTO AKIRA [JP]); | [AP]EP0183154 (BASF AG [DE]) | [Y] - CHEMICAL ENGINEERING PROGRESS, vol. 48, no. 9, September 1952, pages 455-458, American Institute of Chemical Engineers, New York, US; W. SHUSTER et al.: "The measurement of fluidization quality" | [AD] - POWDER TECHNOLOGY, vol. 26, 1980, pages 67-74, Elsevier Sequoia S.A., Lausanne, CH; N. SADASIVAN et al.: "Studies on frequency and magnitude of fluctuations of pressure drop in gas-solid fluidised beds" | [A] - PATENT ABSTRACTS OF JAPAN, vol. 4, no. 34 (C-3)[516], 22nd March 1980; & JP-A-55 008 848 (ISHIKAWAJIMA HARIMA JUKOGYO K.K.) 22-01-1980, & JP55008848 A 00000000 | [A] - PATENT ABSTRACTS OF JAPAN, vol. 5, no. 28 (C-44)[700], 20th February 1981; & JP-A-55 152 542 (NIPPON KOGYO K.K.) 27-11-1980, & JP55152542 A 00000000 |