EP1605754 - PRODUCTION OF 5-METHYL-N-ARYL-2-PYRROLIDONE AND 5-METHYL-N-ALKYL-2-PYRROLIDONE BY REDUCTIVE AMINATION OF LEVULINIC ACID WITH NITRO COMPOUNDS [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 01.05.2009 Database last updated on 16.07.2024 | Most recent event Tooltip | 01.05.2009 | Application deemed to be withdrawn | published on 03.06.2009 [2009/23] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
Former [2008/30] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington DE 19898 / US | ||
Former [2005/51] | For all designated states E.I. DUPONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
MANZER, Leo, Ernest 714 Burnley Road Wilmington, DE 19803 / US | [2005/51] | Representative(s) | Matthews, Derek Peter Dehns St Bride's House 10 Salisbury Square London EC4Y 8JD / GB | [N/P] |
Former [2008/33] | Matthews, Derek Peter Frank B. Dehn & Co. St Bride's House 10 Salisbury Square London EC4Y 8JD / GB | ||
Former [2005/51] | Matthews, Derek Peter Frank B. Dehn & Co., 179 Queen Victoria Street London EC4V 4EL / GB | Application number, filing date | 04758115.2 | 23.03.2004 | [2005/51] | WO2004US09000 | Priority number, date | US20030396050 | 24.03.2003 Original published format: US 396050 | [2005/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2004084633 | Date: | 07.10.2004 | Language: | EN | [2004/41] | Type: | A1 Application with search report | No.: | EP1605754 | Date: | 21.12.2005 | Language: | EN | The application published by WIPO in one of the EPO official languages on 07.10.2004 takes the place of the publication of the European patent application. | [2005/51] | Search report(s) | International search report - published on: | US | 07.10.2004 | (Supplementary) European search report - dispatched on: | EP | 04.02.2008 | Classification | IPC: | C07D207/267, A61K31/4015, A01N43/36, C09D11/02, C09K5/00, C11D3/28 | [2008/09] | CPC: |
C07D207/267 (EP,US);
C07D207/12 (KR);
A01N43/36 (EP,KR,US)
| C-Set: |
A01N43/36, A01N2300/00 (EP,US)
|
Former IPC [2005/51] | A01N43/36, A61K31/4015, C07D207/12 | Designated contracting states | DE, FR, GB, IT, NL [2006/26] |
Former [2005/51] | AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LI, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR | Extension states | AL | Not yet paid | LT | Not yet paid | LV | Not yet paid | MK | Not yet paid | Title | German: | HERSTELLUNG VON 5-METHYL-N-ARYL-2-PYRROLIDON UND 5-METHYL-N-ALKYL-2-PYRROLIDON DURCH REDUKTIVE AMINERUNG VON LÖVULINSÄURE MIT NITROVERBINDUNGEN | [2005/51] | English: | PRODUCTION OF 5-METHYL-N-ARYL-2-PYRROLIDONE AND 5-METHYL-N-ALKYL-2-PYRROLIDONE BY REDUCTIVE AMINATION OF LEVULINIC ACID WITH NITRO COMPOUNDS | [2005/51] | French: | PRODUCTION DE 5-METHYL-N-ARYL-2-PYRROLIDONE ET DE 5-METHYL-N-ALKYL-2-PYRROLIDONE PAR AMINATION REDUCTRICE D'ACIDE LEVULINIQUE AVEC DES COMPOSES NITRO | [2005/51] | Entry into regional phase | 05.09.2005 | National basic fee paid | 05.09.2005 | Search fee paid | 05.09.2005 | Designation fee(s) paid | 05.09.2005 | Examination fee paid | Examination procedure | 21.10.2004 | Request for preliminary examination filed International Preliminary Examining Authority: US | 05.09.2005 | Examination requested [2005/51] | 05.06.2008 | Despatch of a communication from the examining division (Time limit: M06) | 17.12.2008 | Application deemed to be withdrawn, date of legal effect [2009/23] | 19.01.2009 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [2009/23] | Fees paid | Renewal fee | 05.09.2005 | Renewal fee patent year 03 | 14.03.2007 | Renewal fee patent year 04 | 14.03.2008 | Renewal fee patent year 05 |
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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 | [Y]US2681349 (DUNLOP ANDREW P, et al) [Y] 1-15 * column 1, line 1 - line 3 * * column 1, line 55 - column 2, line 29 *; | [XY]US3235562 (SHILLING WILBUR L) [X] 1-15 * example 3 * * column 1, line 29 - column 2, line 32 * * column 2, line 58 - line 67 * * column 2, line 68 - column 3, line 5 * * column 3, line 23 - line 35 * [Y] 16-20; | [Y]US4208202 (FORY WERNER [CH], et al) [Y] 1-15 * column 8; example 6a *; | [XY]US4560760 (VAN DER STOEL ROLAND E [NL], et al) [X] 1-15 * column 1, line 7 - column 2, line 53 * [Y] 16-20; | [Y]US4590190 (SAITO KENICHIRO [US], et al) [Y] 16 * column 2, line 58 - column 3, line 9 * * example 4 *; | [Y]US5156666 (NARAYANAN KOLAZI S [US], et al) [Y] 17 * column 2, line 67 - column 3, line 32 * * column 9, line 9 - line 21 *; | [Y]US5302197 (WICKRAMANAYKE PALITHA [US], et al) [Y] 19 * column 2, line 49 - column 3, line 26 * * column 7, line 22 - line 27 *; | [Y]US5922660 (SUBRAMANYAM RAVI [US], et al) [Y] 18 * column 1, line 60 - column 2, line 17 * * column 2, line 48 - line 59 *; | [Y]US2003034477 (MINOR BARBARA HAVILAND [US], et al) [Y] 20* page 11; example 7 *; | [Y] - R. L. FRANK ET AL, "1,5-Dimethyl-2-pyrrolidone", ORGANIC SYNTHESIS COLL., (1954), vol. 6, pages 328 - 329, XP002464241 [Y] 1-15 * the whole document * | [DY] - BRUNO EMMERT, "über die Bildung von 1-Phenyl-5-methyl-pyrrolidon bei gleichzeitiger elektrolytischer Reduktion von Lävulinsäure und Nitrophenyl", CHEMISCHE BERICHTE, (1907), vol. 40, pages 912 - 916, XP002464242 [DY] 1-15 * page 913 - page 914 * | [Y] - JEAN COLONGE ET AL, "Sur quelques tétrahydropyrannylnitroalcanes et leur utilisation en synthèse organique", BULLETIN DES SCIENCES CHIMIQUI, (1963), pages 2610 - 2615, XP009094436 [Y] 1-15 * page 2613 * | International search | [A]US3337585 (SWAKON EDWARD A, et al) |