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Extract from the Register of European Patents

EP About this file: EP1605754

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]
StatusThe application is deemed to be withdrawn
Status updated on  01.05.2009
Database last updated on 16.07.2024
Most recent event   Tooltip01.05.2009Application deemed to be withdrawnpublished 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 date04758115.223.03.2004
[2005/51]
WO2004US09000
Priority number, dateUS2003039605024.03.2003         Original published format: US 396050
[2005/51]
Filing languageEN
Procedural languageEN
PublicationType: 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:US07.10.2004
(Supplementary) European search report - dispatched on:EP04.02.2008
ClassificationIPC: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 statesDE,   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 statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
TitleGerman: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 phase05.09.2005National basic fee paid 
05.09.2005Search fee paid 
05.09.2005Designation fee(s) paid 
05.09.2005Examination fee paid 
Examination procedure21.10.2004Request for preliminary examination filed
International Preliminary Examining Authority: US
05.09.2005Examination requested  [2005/51]
05.06.2008Despatch of a communication from the examining division (Time limit: M06)
17.12.2008Application deemed to be withdrawn, date of legal effect  [2009/23]
19.01.2009Despatch 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 paidRenewal fee
05.09.2005Renewal fee patent year 03
14.03.2007Renewal fee patent year 04
14.03.2008Renewal 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)
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.