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EP0745617
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EP About this file: EP0745617
| EP0745617 - Olefin polymerisation process [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 23.04.1999 Database last updated on 12.07.2024 | Most recent event Tooltip | 17.10.2014 | Change - classification | published on 19.11.2014 [2014/47] | 17.10.2014 | Change - classification | published on 19.11.2014 [2014/47] | Applicant(s) | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center Midland, Michigan 48674 / US | [1997/48] |
| Former [1996/49] | For all designated states THE DOW CHEMICAL COMPANY 2030 Dow Center, Abbott Road Midland, Michigan 48640 / US | Inventor(s) | 01 /
Hefner, John G. 122 Silver Lace Street Lake Jackson, Texas 77566 / US | 02 /
Kolthammer, Brian W.S. 54 Royal Oak Circle Lake Jackson, Texas 77566 / US | 03 /
Gifford, Dennis R. 1301 Austin Drive West Columbia, Texas 77486 / US | [1997/10] |
| Former [1996/49] | 01 /
Hefner, John G. 122 Cacao Lake Jackson, Texas 77566 / US | ||
| 02 /
Kolthammer, Brian W.S. 54 Royal Oak Circle Lake Jackson, Texas 77566 / US | |||
| 03 /
Gifford, Dennis R. 1301 Austin Drive West Columbia, Texas 77486 / US | Representative(s) | Huber, Bernhard, et al Weickmann & Weickmann Patentanwälte Kopernikusstrasse 9 81679 München / DE | [N/P] |
| Former [1996/49] | Huber, Bernhard, Dipl.-Chem., et al Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm, Kopernikusstrasse 9 81679 München / DE | Application number, filing date | 96114415.1 | 19.09.1991 | [1996/49] | Priority number, date | US19900586629 | 20.09.1990 Original published format: US 586629 | [1996/49] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0745617 | Date: | 04.12.1996 | Language: | EN | [1996/49] | Type: | A3 Search report | No.: | EP0745617 | Date: | 05.02.1997 | [1997/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.12.1996 | Classification | IPC: | C08F10/00 | [2014/47] | CPC: |
C08F10/00 (EP);
C07F1/02 (KR);
C07F17/00 (EP);
C07F7/28 (EP);
C08F4/65912 (EP);
C08F4/6592 (EP)
| C-Set: |
C08F10/00, C08F4/6592 (EP);
C08F10/00, C08F4/76 (EP) |
| Former IPC [1997/05] | C08F10/02, C08F4/76, C08F10/00 | ||
| Former IPC [1996/49] | C08F10/02, C08F4/76 | Designated contracting states | BE, DE, ES, FR, GB, IT, NL, SE [1996/49] | Title | German: | Olefin-Polymerisationsverfahren | [1996/49] | English: | Olefin polymerisation process | [1996/49] | French: | Procédé de polimérisation d'oléfines | [1996/49] | Examination procedure | 09.09.1996 | Examination requested [1996/49] | 22.05.1998 | Despatch of a communication from the examining division (Time limit: M06) | 02.12.1998 | Application deemed to be withdrawn, date of legal effect [1999/23] | 15.01.1999 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1999/23] | Parent application(s) Tooltip | EP91115975.4 / EP0476671 | Fees paid | Renewal fee | 09.09.1996 | Renewal fee patent year 03 | 09.09.1996 | Renewal fee patent year 04 | 09.09.1996 | Renewal fee patent year 05 | 09.09.1996 | Renewal fee patent year 06 | 02.06.1997 | Renewal fee patent year 07 | 22.05.1998 | 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]US4567244 (GRUBBS ROBERT H [US], et al) [A] 1,4 * claims 1,8 *; | [A]EP0224097 (IDEMITSU KOSAN CO [JP]) [A] 1,4 * claim 1 *; | [A]EP0271874 (MONTEDISON SPA [IT]) [A] 1,4 * claims 1,5 *; | [X]WO8810275 (DOW CHEMICAL CO [US]) [X] 4 * claim 1 *; | [A]EP0320169 (DOW CHEMICAL CO [US]) [A] 1,4 * claim 1 *; | [AP]EP0420436 (EXXON CHEMICAL PATENTS INC [US]) [AP] 1,4* page 25, line 25 - line 51; examples 1-34 * |