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EP0421701
European procedure
Extract from the Register of European Patents
EP About this file: EP0421701
| EP0421701 - Enhanced production of propylene from higher hydrocarbons [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 28.02.1997 Database last updated on 04.11.2024 | Most recent event Tooltip | 28.02.1997 | No opposition filed within time limit | published on 16.04.1997 [1997/16] | Applicant(s) | For all designated states ARCO Chemical Technology, L.P. Two Greenville Crossing, 4001 Kennett Pike, Suite 238 Greenville, Delaware 19807 / US | [N/P] |
| Former [1992/36] | For all designated states ARCO Chemical Technology, L.P. Two Greenville Crossing 4001 Kennett Pike, Suite 238 Greenville, Delaware 19807 / US | ||
| Former [1991/15] | For all designated states ARCO CHEMICAL TECHNOLOGY INC. 3 Christina Centre Suite 902 201 N Walnut Street Wilmington Delaware 19801 / US | Inventor(s) | 01 /
Leyshon, David W. 1034 Squires Drive West Chester, Pennsylvania 19382 / US | 02 /
Sofranko, John A. 119 Hedgerow Lane West Chester, Pennsylvania 19380 / US | 03 /
Jones C., Andrew 24 Clearbrook Road Newtown Square, Pennsylvania 19073 / US | [1991/15] | Representative(s) | Cropp, John Anthony David, et al MATHYS & SQUIRE 100 Grays Inn Road London, WC1X 8AL / GB | [1991/15] | Application number, filing date | 90310719.1 | 01.10.1990 | [1991/15] | Priority number, date | US19890415747 | 02.10.1989 Original published format: US 415747 | [1991/15] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0421701 | Date: | 10.04.1991 | Language: | EN | [1991/15] | Type: | B1 Patent specification | No.: | EP0421701 | Date: | 24.04.1996 | Language: | EN | [1996/17] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.02.1991 | Classification | IPC: | C07C11/06 | [1991/15] | CPC: |
C07C11/06 (EP,KR,US);
Y02P20/52 (EP,US)
| Designated contracting states | BE, DE, ES, FR, GB, IT, NL [1991/15] | Title | German: | Verfahren zur Herstellung von Propylen aus höheren Kohlenwasserstoffen | [1991/15] | English: | Enhanced production of propylene from higher hydrocarbons | [1991/15] | French: | Procédé pour la préparation de propylène à partir d'hydrocarbures supérieurs | [1991/15] | Examination procedure | 22.05.1991 | Examination requested [1991/29] | 17.11.1992 | Despatch of a communication from the examining division (Time limit: M04) | 19.03.1993 | Reply to a communication from the examining division | 17.09.1993 | Despatch of a communication from the examining division (Time limit: M04) | 22.01.1994 | Reply to a communication from the examining division | 01.07.1994 | Despatch of a communication from the examining division (Time limit: M04) | 29.09.1994 | Reply to a communication from the examining division | 17.10.1994 | Despatch of a communication from the examining division (Time limit: M04) | 15.02.1995 | Despatch of a communication from the examining division (Time limit: M04) | 24.02.1995 | Reply to a communication from the examining division | 08.04.1995 | Reply to a communication from the examining division | 29.05.1995 | Despatch of communication of intention to grant (Approval: No) | 11.10.1995 | Despatch of communication of intention to grant (Approval: later approval) | 20.10.1995 | Communication of intention to grant the patent | 25.11.1995 | Fee for grant paid | 25.11.1995 | Fee for publishing/printing paid | Opposition(s) | 25.01.1997 | No opposition filed within time limit [1997/16] | Fees paid | Renewal fee | 10.10.1992 | Renewal fee patent year 03 | 22.10.1993 | Renewal fee patent year 04 | 22.10.1994 | Renewal fee patent year 05 | 21.10.1995 | Renewal fee patent year 06 |
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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 | [X]US3431316 (BANKS ROBERT L); | [XD]EP0109059 (MONTEDIPE SPA [IT]) |