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EP0435251
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EP About this file: EP0435251
| EP0435251 - Preparation of very low molecular weight polyethylene in a fluidized bed [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 26.07.1994 Database last updated on 13.11.2024 | Most recent event Tooltip | 19.06.2009 | Change - representative | published on 22.07.2009 [2009/30] | Applicant(s) | For all designated states UNION CARBIDE CHEMICALS AND PLASTICS COMPANY, INC. 39 Old Ridgebury Road Danbury Connecticut 06817-0001 / US | [N/P] |
| Former [1991/27] | For all designated states UNION CARBIDE CHEMICALS AND PLASTICS COMPANY, INC. 39 Old Ridgebury Road Danbury Connecticut 06817-0001 / US | Inventor(s) | 01 /
Theobald, Eugene Harry 72 Oakmont Drive Poca, West Virginia 25159 / US | [1991/27] | Representative(s) | Barz, Peter, et al Schmied-Kowarzik & Partner Patentanwälte Siegfriedstrasse 8 80803 München / DE | [N/P] |
| Former [2009/30] | Barz, Peter, et al Schmied-Kowarzik & Partner Patentanwälte Siegfriedstrasse 8 80803 München / DE | ||
| Former [1991/27] | Barz, Peter, Dr., et al Patentanwälte Dipl.-Ing. G. Dannenberg Dr. P. Weinhold, Dr. D. Gudel Dipl.-Ing. S. Schubert, Dr. P. Barz Siegfriedstrasse 8 D-80803 München / DE | Application number, filing date | 90125493.8 | 27.12.1990 | [1991/27] | Priority number, date | US19890458357 | 28.12.1989 Original published format: US 458357 | [1991/27] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0435251 | Date: | 03.07.1991 | Language: | EN | [1991/27] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.04.1991 | Classification | IPC: | C08F4/68, C08F2/34, C08F10/02 | [1991/27] | CPC: |
C08F10/02 (EP,US);
C08F110/02 (EP,US);
C08F210/16 (EP,US);
Y10S526/901 (EP,US);
Y10S526/905 (EP,US)
| C-Set: |
C08F10/02, C08F4/68 (EP,US);
C08F110/02, C08F2500/02, C08F2500/18, C08F2500/12, C08F2500/24 (US,EP);
C08F210/16, C08F210/08, C08F2500/02, C08F2500/18, C08F2500/12, C08F2500/24 (US,EP)
| Designated contracting states | AT, BE, DE, ES, FR, GB, IT, NL, SE [1991/27] | Title | German: | Herstellung von Polyethylen mit sehr niedrigem Molekulargewicht in einem Wirbelbett | [1991/27] | English: | Preparation of very low molecular weight polyethylene in a fluidized bed | [1991/27] | French: | Préparation de polyéthylène de très bas poids moléculaire en lit fluidisé | [1991/27] | File destroyed: | 15.01.2000 | Examination procedure | 23.08.1991 | Examination requested [1991/42] | 14.10.1993 | Despatch of a communication from the examining division (Time limit: M04) | 25.02.1994 | Application deemed to be withdrawn, date of legal effect [1994/37] | 25.03.1994 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1994/37] | Fees paid | Renewal fee | 29.09.1992 | Renewal fee patent year 03 | Penalty fee | Additional fee for renewal fee | 31.12.1993 | 04 M06 Not yet paid |
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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 | [AD]EP0120501 ; | [AP]EP0349927 (UNION CARBIDE CORP [US]) |