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Extract from the Register of European Patents

EP About this file: EP1142888

EP1142888 - Process for the preparation of Dialcoxythiophenes and Alkylendioxythiophenes [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.07.2005
Database last updated on 17.09.2024
Most recent event   Tooltip14.12.2007Lapse of the patent in a contracting state
New state(s): PT		published on 16.01.2008  [2008/03]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[2001/41]
Inventor(s)01 / Rauchschwalbe, Günter, Dr.
Am Märchen 2
51375 Leverkusen / DE
02 / Jonas, Friedrich, Dr.
Krugenofen 15
52066 Aachen / DE
 [2001/41]
Application number, filing date01106444.123.03.2001
[2001/41]
Priority number, dateDE200011672304.04.2000         Original published format: DE 10016723
[2001/41]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP1142888
Date:10.10.2001
Language:DE
[2001/41]
Type: B1 Patent specification 
No.:EP1142888
Date:08.09.2004
Language:DE
[2004/37]
Search report(s)(Supplementary) European search report - dispatched on:EP05.07.2001
ClassificationIPC:C07D333/32
[2001/41]
CPC:
C07D495/04 (EP,US); C07D495/06 (KR); C07D333/32 (EP,US);
Y02P20/582 (EP,US)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   TR [2002/27]
Former [2001/41]AT,  BE,  CH,  CY,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE,  TR 
TitleGerman:Verfahren zur Herstellung von Dialkoxythiophenen und Alkylendioxythiophenen[2001/41]
English:Process for the preparation of Dialcoxythiophenes and Alkylendioxythiophenes[2001/41]
French:Procédé pour la préparation de dialcoxy thiophène et alcoylèndioxy thiophène[2001/41]
Examination procedure10.04.2002Examination requested  [2002/24]
13.03.2003Despatch of a communication from the examining division (Time limit: M04)
18.06.2003Reply to a communication from the examining division
20.02.2004Communication of intention to grant the patent
01.07.2004Fee for grant paid
01.07.2004Fee for publishing/printing paid
Opposition(s)09.06.2005No opposition filed within time limit [2005/35]
Fees paidRenewal fee
31.03.2003Renewal fee patent year 03
31.03.2004Renewal fee patent year 04
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipFI08.09.2004
IE08.09.2004
TR08.09.2004
GR08.12.2004
SE08.12.2004
PT08.02.2005
CY23.03.2005
LU23.03.2005
MC31.03.2005
[2008/03]
Former [2007/26]FI08.09.2004
IE08.09.2004
TR08.09.2004
GR08.12.2004
SE08.12.2004
CY23.03.2005
LU23.03.2005
MC31.03.2005
Former [2007/20]FI08.09.2004
IE08.09.2004
TR08.09.2004
GR08.12.2004
SE08.12.2004
CY23.03.2005
LU31.03.2005
MC31.03.2005
Former [2007/09]FI08.09.2004
IE08.09.2004
TR08.09.2004
GR08.12.2004
SE08.12.2004
LU31.03.2005
MC31.03.2005
Former [2006/51]FI08.09.2004
IE08.09.2004
TR08.09.2004
GR08.12.2004
SE08.12.2004
MC31.03.2005
Former [2006/14]FI08.09.2004
IE08.09.2004
GR08.12.2004
SE08.12.2004
MC31.03.2005
Former [2005/24]FI08.09.2004
IE08.09.2004
GR08.12.2004
SE08.12.2004
Former [2005/18]FI08.09.2004
GR08.12.2004
SE08.12.2004
Former [2005/11]FI08.09.2004
SE08.12.2004
Former [2005/10]SE08.12.2004
Documents cited:Search[YD]US2453103  (TURNBULL JR STOCKTON GRAEME) [YD] 1-8 * column W *;
 [Y]WO9524373  (ZENECA LTD [GB], et al) [Y] 1-8 * column W *;
 [YD]  - MERZ,A. ET AL., "IMPROVED PREPARATION OF 3,4-DIMETHOXYTHIOPHENE", J.PRAKT.CHEM, LEIPZIG, (1996), vol. 338, pages 672 - 674, XP001000173 [YD] 1-8 * column W *

DOI:   http://dx.doi.org/10.1002/prac.199633801128
 [YD]  - HEYWANG G ET AL, "POLY(ALKYLENEDIOXYTHIOPHENE)S-NEW, VERY STABLE CONDUCTING POLYMERS**", ADVANCED MATERIALS,DE,VCH VERLAGSGESELLSCHAFT, WEINHEIM, (19920201), vol. 4, no. 2, ISSN 0935-9648, pages 116 - 118, XP000306687 [YD] 1-8 * column W *

DOI:   http://dx.doi.org/10.1002/adma.19920040213
 [YD]  - OVERBERGER,C.G. ET AL., "The Prparation of 3,4-Dimethoxy-2,5-dicarbethoxythiphene. 3,4-Dimethoxythiphene.", J.AM.CHEM.SOC., WASHINGTON, (1951), vol. 73, pages 2956 - 2957, XP001005623 [YD] 1-8 * column W *

DOI:   http://dx.doi.org/10.1021/ja01150a525
 [YD]  - COFFEY, M. ET AL., "A facile sytnesis of 3,4-dialkyoxthiphenes", SYNTHETIC COMMUN., NEW YORK, (1996), vol. 26, no. 11, pages 2205 - 2212, XP001005513 [YD] 1-8 * column W *

DOI:   http://dx.doi.org/10.1080/00397919608003580
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