EP0578318 - Process for the formation of pentaerythritol-based phosphorus heterocycles [Right-click to bookmark this link] | Status | The application has been withdrawn Status updated on 11.04.1997 Database last updated on 19.10.2024 | Most recent event Tooltip | 06.06.2008 | Change - representative | published on 09.07.2008 [2008/28] | Applicant(s) | For all designated states Akzo Nobel N.V. Velperweg 76 6824 BM Arnhem / NL | [N/P] |
Former [1994/26] | For all designated states Akzo Nobel N.V. Velperweg 76 NL-6824 BM Arnhem / NL | ||
Former [1994/02] | For all designated states AKZO N.V. Velperweg 76 NL-6824 BM Arnhem / NL | Inventor(s) | 01 /
Telschow, Jeffrey Earl 416 Benedict Avenue Tarrytown, New York 10591 / US | 02 /
Weil, Edward David 6 Amherst Drive Hastings-on-Hudson, New York 10706 / US | [1994/02] | Representative(s) | Schalkwijk, Pieter Cornelis, et al Akzo Nobel N.V. Intellectual Property Department P.O. Box 9300 6800 SB Arnhem / NL | [N/P] |
Former [2008/28] | Schalkwijk, Pieter Cornelis, et al AKZO NOBEL N.V. Intellectual Property Department PO Box 9300 6800 SB Arnhem / NL | ||
Former [1994/02] | Schalkwijk, Pieter Cornelis, c.s., et al AKZO Patent Department (Dept. APTA) Velperweg 76 P.O. Box 9300 NL-6800 SB Arnhem / NL | Application number, filing date | 93201954.0 | 05.07.1993 | [1994/02] | Priority number, date | US19920911868 | 10.07.1992 Original published format: US 911868 | [1994/02] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0578318 | Date: | 12.01.1994 | Language: | EN | [1994/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.10.1993 | Classification | IPC: | C07F9/6574 | [1994/02] | CPC: |
C07F9/65746 (EP,US);
C07F9/65748 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1994/02] | Title | German: | Verfahren zur Herstellung von Pentaerythritol-Abkommenden Phosphor-Heteroringen | [1994/02] | English: | Process for the formation of pentaerythritol-based phosphorus heterocycles | [1994/02] | French: | Procédé pour la formation d'hétérocycles phosphorés à base de pentaerythritol | [1994/02] | Examination procedure | 14.04.1994 | Examination requested [1997/06] | 20.12.1996 | Despatch of communication of intention to grant (Approval: ) | 24.03.1997 | Application withdrawn by applicant [1997/22] | Fees paid | Renewal fee | 29.05.1995 | Renewal fee patent year 03 | 30.05.1996 | Renewal fee patent year 04 |
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