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EP0648722
European procedure
Extract from the Register of European Patents
EP About this file: EP0648722
| EP0648722 - Preparation of alkylcyclopentadienes [Right-click to bookmark this link] | Status | Opposition rejected Status updated on 16.07.1999 Database last updated on 02.11.2024 | Most recent event Tooltip | 18.07.2008 | Change - representative | published on 20.08.2008 [2008/34] | Applicant(s) | For all designated states ALBEMARLE CORPORATION 451 Florida Boulevard Baton Rouge Louisiana 70801 / US | [N/P] |
| Former [1995/16] | For all designated states ALBEMARLE CORPORATION 451 Florida Boulevard Baton Rouge, Louisiana 70801 / US | Inventor(s) | 01 /
Lee, John Yuchu 1524 Stoneliegh Drive Baton Rouge, LA 70808 / US | 02 /
Ao, Meng-Sheng 5443 Lost Oak Baton Rouge, LA 70817 / US | [1995/16] | Representative(s) | Uexküll & Stolberg Partnerschaft von Patent- und Rechtsanwälten mbB Beselerstraße 4 22607 Hamburg / DE | [N/P] |
| Former [2008/34] | UEXKÜLL & STOLBERG Patentanwälte Beselerstrasse 4 22607 Hamburg / DE | ||
| Former [1998/41] | UEXKÜLL & STOLBERG Patentanwälte Beselerstrasse 4 22607 Hamburg / DE | ||
| Former [1995/16] | Schwabe - Sandmair - Marx Stuntzstrasse 16 D-81677 München / DE | Application number, filing date | 94116262.0 | 14.10.1994 | [1995/16] | Priority number, date | US19930137683 | 15.10.1993 Original published format: US 137683 | [1995/16] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0648722 | Date: | 19.04.1995 | Language: | EN | [1995/16] | Type: | B1 Patent specification | No.: | EP0648722 | Date: | 07.05.1997 | Language: | EN | [1997/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.01.1995 | Classification | IPC: | C07C13/15 | [1995/16] | CPC: |
C07C13/15 (EP,US);
C07C1/24 (EP,US);
C07C2601/10 (EP,US)
| C-Set: |
C07C1/24, C07C13/15 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1995/16] | Title | German: | Verfahren zur Herstellung von Alkylcyclopentadienen | [1995/16] | English: | Preparation of alkylcyclopentadienes | [1995/16] | French: | Procédé pour la préparation d'alkylcyclopentadiènes | [1995/16] | Examination procedure | 02.06.1995 | Examination requested [1995/32] | 21.06.1996 | Despatch of communication of intention to grant (Approval: Yes) | 28.10.1996 | Communication of intention to grant the patent | 08.01.1997 | Fee for grant paid | 08.01.1997 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
09.02.1998
ADMISSIBLE Akzo Nobel N.V. Velperweg 76 NL-6824 BM Arnhem / NL Opponent's representative Verbart, Jeannette J.M. Akzo Nobel N.V. Intellectual Property Department(Dept.AIP) P.O.Box 9300 6800 SB Arnhem / NL | [1998/15] | 12.03.1998 | Invitation to proprietor to file observations on the notice of opposition | 11.09.1998 | Reply of patent proprietor to notice(s) of opposition | 08.04.1999 | Date of despatch of rejection of opposition | 18.04.1999 | Legal effect of rejection of opposition [1999/35] | Fees paid | Renewal fee | 16.09.1996 | Renewal fee patent year 03 |
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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]JPS57149251 | [A] - DATABASE WPI, 0, Derwent World Patents Index, vol. 83, no. 16, Database accession no. 83-37464K, & JPS57149251 A 19820914 (SUMITOMO CHEMICAL KK) [A] * abstract * |