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Extract from the Register of European Patents

EP About this file: EP2780762

EP2780762 - COMPLIMENTARY POLYMER ELECTROCHROMIC DEVICE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  15.07.2021
Database last updated on 07.06.2024
FormerThe patent has been granted
Status updated on  26.05.2017
FormerGrant of patent is intended
Status updated on  06.03.2017
FormerExamination is in progress
Status updated on  10.01.2017
Most recent event   Tooltip17.07.2020Lapse of the patent in a contracting state
New state(s): AL		published on 19.08.2020  [2020/34]
Applicant(s)For all designated states
Ashwin-Ushas Corporation, Inc.
9 Red Coach Lane
Holmdel, NJ 07733 / US
[2014/39]
Inventor(s)01 / CHANDRASEKHAR, Prasanna
9 Red Coach Lane
Holmdel, NJ 07733 / US
 [2014/39]
Representative(s)Appleyard Lees IP LLP
15 Clare Road
Halifax HX1 2HY / GB
[2017/26]
Former [2014/39]Delaney, Jennifer
Appleyard Lees
15 Clare Road
Halifax
HX1 2HY / GB
Application number, filing date12850225.914.11.2012
[2017/26]
WO2012US65123
Priority number, dateUS201161560243P15.11.2011         Original published format: US 201161560243 P
[2014/39]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2013074702
Date:23.05.2013
Language:EN
[2013/21]
Type: A1 Application with search report 
No.:EP2780762
Date:24.09.2014
Language:EN
The application published by WIPO in one of the EPO official languages on 23.05.2013 takes the place of the publication of the European patent application.
[2014/39]
Type: B1 Patent specification 
No.:EP2780762
Date:28.06.2017
Language:EN
[2017/26]
Search report(s)International search report - published on:KR23.05.2013
(Supplementary) European search report - dispatched on:EP16.06.2015
ClassificationIPC:G02F1/15, C09K9/02, C07C33/46, C07C69/65, C07D495/04, C07C29/147, C25D9/02, G02F1/1343, G02F1/155
[2017/09]
CPC:
C07C29/147 (EP,US); B05D5/12 (US); C07C33/46 (EP,US);
C07C57/38 (US); C07C69/65 (EP,US); C07D495/04 (EP,US);
C09D5/4419 (US); C09D5/4476 (US); C09K9/02 (EP,US);
C25D3/02 (US); C25D9/02 (US); G02F1/13439 (US);
G02F1/1503 (US); G02F1/1506 (EP,US); G02F1/155 (US);
C09K2211/1433 (US); C09K2211/1491 (US); G02F1/15165 (EP,US);
G02F2001/1502 (EP,US) (-)
C-Set:
C07C29/147, C07C33/46 (EP,US)
Former IPC [2015/29]G02F1/15, C09K9/02, C07C33/46, C07C69/65, C07D495/04, C07C29/147
Former IPC [2014/39]G02F1/15
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2014/39]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:KOMPLEMENTÄRE POLYMERE ELEKTROCHROME VORRICHTUNG[2014/39]
English:COMPLIMENTARY POLYMER ELECTROCHROMIC DEVICE[2014/39]
French:DISPOSITIF ÉLECTROCHROMIQUE À POLYMÈRES COMPLÉMENTAIRES[2014/39]
Entry into regional phase09.06.2014National basic fee paid 
09.06.2014Search fee paid 
09.06.2014Designation fee(s) paid 
09.06.2014Examination fee paid 
Examination procedure09.06.2014Examination requested  [2014/39]
22.12.2015Amendment by applicant (claims and/or description)
13.09.2016Despatch of a communication from the examining division (Time limit: M04)
05.01.2017Reply to a communication from the examining division
07.03.2017Communication of intention to grant the patent
15.05.2017Fee for grant paid
15.05.2017Fee for publishing/printing paid
15.05.2017Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  13.09.2016
Opposition(s)29.03.2018No opposition filed within time limit [2018/23]
Fees paidRenewal fee
24.11.2014Renewal fee patent year 03
27.11.2015Renewal fee patent year 04
28.11.2016Renewal fee patent year 05
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  TooltipHU14.11.2012
AL28.06.2017
CY28.06.2017
CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
MK28.06.2017
PL28.06.2017
PT28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
TR28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
IE14.11.2017
LU14.11.2017
MT14.11.2017
BE30.11.2017
CH30.11.2017
LI30.11.2017
[2020/34]
Former [2020/28]HU14.11.2012
CY28.06.2017
CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
MK28.06.2017
PL28.06.2017
PT28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
TR28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
IE14.11.2017
LU14.11.2017
MT14.11.2017
BE30.11.2017
CH30.11.2017
LI30.11.2017
Former [2020/15]HU14.11.2012
CY28.06.2017
CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
MK28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
TR28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
IE14.11.2017
LU14.11.2017
MT14.11.2017
BE30.11.2017
CH30.11.2017
LI30.11.2017
Former [2019/51]HU14.11.2012
CY28.06.2017
CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
MK28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
IE14.11.2017
LU14.11.2017
MT14.11.2017
BE30.11.2017
CH30.11.2017
LI30.11.2017
Former [2019/46]HU14.11.2012
CY28.06.2017
CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
IE14.11.2017
LU14.11.2017
MT14.11.2017
BE30.11.2017
CH30.11.2017
LI30.11.2017
Former [2019/31]HU14.11.2012
CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
IE14.11.2017
LU14.11.2017
MT14.11.2017
BE30.11.2017
CH30.11.2017
LI30.11.2017
Former [2018/50]CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
IE14.11.2017
LU14.11.2017
MT14.11.2017
BE30.11.2017
CH30.11.2017
LI30.11.2017
Former [2018/45]CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
IE14.11.2017
LU14.11.2017
MT14.11.2017
CH30.11.2017
LI30.11.2017
Former [2018/43]CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
LU14.11.2017
MT14.11.2017
CH30.11.2017
LI30.11.2017
Former [2018/39]CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SI28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
LU14.11.2017
CH30.11.2017
LI30.11.2017
Former [2018/33]CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
MC28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
CH30.11.2017
LI30.11.2017
Former [2018/21]CZ28.06.2017
DK28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
Former [2018/11]CZ28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
PL28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SK28.06.2017
SM28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
IS28.10.2017
Former [2018/10]CZ28.06.2017
EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
RO28.06.2017
RS28.06.2017
SE28.06.2017
SK28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
Former [2018/09]EE28.06.2017
FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
RS28.06.2017
SE28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
Former [2017/50]FI28.06.2017
HR28.06.2017
LT28.06.2017
LV28.06.2017
RS28.06.2017
SE28.06.2017
BG28.09.2017
NO28.09.2017
GR29.09.2017
Former [2017/49]FI28.06.2017
HR28.06.2017
LT28.06.2017
NO28.09.2017
GR29.09.2017
Documents cited:Search[Y]WO2005050294  (UNIV WASHINGTON [US], et al) [Y] 1-15 * figure 3 * * the whole document *;
 [A]US2009067030  (LIU LU [US], et al) [A] 1-15 * claim 1 * * the whole document *;
 [Y]WO2009058877  (UNIV FLORIDA [US], et al) [Y] 3 * claims 16, 19,20 * * the whole document *;
 [YD]  - K. KRISHNAMOORTHY ET AL, "Rational design of an electrochromic polymer with high contrast in the visible region: dibenzyl substituted poly(3,4-propylenedioxythiophene)", JOURNAL OF MATERIALS CHEMISTRY, (20011012), vol. 11, no. 12, doi:10.1039/b108654e, ISSN 0959-9428, pages 2909 - 2911, XP055194187 [YD] 1,2,4-15 * scheme 1, compound 1 * * the whole document *

DOI:   http://dx.doi.org/10.1039/b108654e
 [A]  - MERVE IÇLI-ÖZKUT ET AL, "Substituent and heteroatom effects on the electrochromic properties of similar systems", JOURNAL OF POLYMER SCIENCE PART A: POLYMER CHEMISTRY, (20111028), vol. 50, no. 4, doi:10.1002/pola.25047, ISSN 0887-624X, pages 615 - 621, XP055194200 [A] 1-15 * scheme 1 * * the whole document *

DOI:   http://dx.doi.org/10.1002/pola.25047
 [A]  - CHAD M. AMB ET AL, "Propylenedioxythiophene (ProDOT)-phenylene copolymers allow a yellow-to-transmissive electrochrome", POLYMER CHEMISTRY, (20110101), vol. 2, no. 4, doi:10.1039/c0py00405g, ISSN 1759-9954, page 812, XP055133850 [A] 1-15 * scheme 1 * * the whole document *

DOI:   http://dx.doi.org/10.1039/c0py00405g
International search[X]US4874481  (SUZUKI TETSURO [JP], et al);
 [A]US5095153  (AGNES GIOVANNI [IT], et al);
 [A]US2009203873  (SOTZING GREGORY A [US]);
 [A]US7675667  (XU CHUNYE [US], et al);
 [A]US2010280561  (SONG JIE [US], et al);
 [A]US7999992  (MAZURKIEWICZ JAKUB HENRYK [AU], et al)
by applicantUS4874481
 US5995273
 US6033592
 US6859297
 WO2005050294
 WO2009058877
    - KRISHNAMOORTHY ET AL., J. MAT. CHEM, (20011210), vol. 11, no. 12, pages 2909 - 2911
    - CHANDRASEKHAR, P.; MASULAITIS, A.M.; GUMBS, R.W., "Novel Synthesis, Spectroelectrochemical, Electrochemical and Chronovoltabsorptometric Characterization of Poly(Isothianaphthene", SYNTH. MET., (1990), vol. 36, no. 3, doi:doi:10.1016/0379-6779(90)90256-K, pages 303 - 326, XP024159074

DOI:   http://dx.doi.org/10.1016/0379-6779(90)90256-K
    - CHANDRASEKHAR, P.; GUMBS, R.W., "Novel Synthesis, Spectroelectrochemical, Electrochemical and Chronovoltabsorptometric Characterization of Family of Poly-(Aromatic Amines), Novel Processible Conducting Polymers. I. Poly(benzidines", J. ELECTROCHEM. SOC., (1991), vol. 138, pages 1337 - 1346
    - CHANDRASEKHAR, P.; THORNE, J.R.G.; HOCHSTRASSER, R.M., "Third-order Nonlinear Optical Properties of Poly(diphenyl Amine) and Poly(4-Amino Biphenyl), Novel Processible Conducting Polymers", APPL. PHYS. LETT., (1991), vol. 59, doi:doi:10.1063/1.106260, pages 1661 - 3, XP000250021

DOI:   http://dx.doi.org/10.1063/1.106260
    - CHANDRASEKHAR, P., Conducting Polymers: Fundamentals and Applications. A Practical Approach, KLUWER ACADEMIC PUBLISHERS, (199908), ISBN 0-7923-8564-0
    - GAZOTTI, W.A.; CASALBORE-MICELI, G.; GERI, A.; DE PAOLI, M.-A., "A Solid-State Electrochromic Device Based on Two Optically Complementary Conducting Polymers", ADV. MAT., (1998), vol. 10, doi:doi:10.1002/(SICI)1521-4095(199801)10:1<60::AID-ADMA60>3.3.CO;2-V, pages 60 - 64, XP000727824

DOI:   http://dx.doi.org/10.1002/(SICI)1521-4095(199801)10:1<60::AID-ADMA60>3.3.CO;2-V
    - KRISHNAMOORTHY, K.; AMBADE, A.V.; KANUNGO, M.; CONTRACTOR, A.Q.; KUMAR, A., "Rational design of an electrochromic polymer with high contrast in the visible region: dibenzyl substituted poly(3,4-propylenedioxythiohene", J. MAT. CHEM, (2001), vol. 11, doi:doi:10.1039/b108654e, pages 2909 - 2911, XP055194187

DOI:   http://dx.doi.org/10.1039/b108654e
    - WELSH, D.M.; KUMAR, A.; MEIJER, E.W.; REYNOLDS, J.R., "Enhanced Contrast Ratios and Rapid Switching in Electrochromics Based on Poly(3,4-propylenedioxythiophene) Derivatives", ADV. MAT, (1999), vol. 11, pages 1379 - 1382, XP002530571
    - SAPP, S.A.; SOTZING, G.A.; REYNOLDS, J.R., "High Contrast Ratio and Fast-Switching Dual Polymer Electrochromic Devices", CHEM. MATER., (1998), vol. 10, doi:doi:10.1021/cm9801237, pages 2101 - 2108, XP002416123

DOI:   http://dx.doi.org/10.1021/cm9801237
    - GROENENDAAL, L.; JONAS, F.; FREITAG, D.; PIELARTZIK, H.; REYNOLDS, J.R., "Poly(3,4-ethylenedioxythiophene) and Its Derivatives: Past, Present and Future", ADV. MAT, (2000), vol. 12, pages 481 - 494
    - CHANDRASEKHAR, P.; ZAY, B.J.; BIRUR, G.C.; RAWAL, S.; PIERSON, E.A; KAUDER, L.; SWANSON, T., "Polymers with Large, Dynamic Electrochromism in the Mid- and Far-infrared", ADVANCED FUNCTIONAL MATERIALS, (2002), vol. 12, no. 2, pages 95 - 103
    - CHANDRASEKHAR, P.; WHEELER, R.A.; HOFFMANN, ROALD, "Sigma Bond Cleavage in Coordinated Dioxygen: The Case of the u-Peroxo Complex [(THF) l V(III)(O )-V(III)Cl (THF) ] and Vanadyl Formation in Solution", INORG. CHIM. ACTA, (1987), vol. 59, page 386
    - GUAY, J.; DAO, L.H., "Formation of poly(4-phenylaniline) by electropolymerization of 4-aminobiphenyl or diphenylamine", J. ELECTROANAL. CHEM., (1989), vol. 274, pages 135 - 142
    - NGUYEN, M.T.; DAO, L.H., "Synthesis, characterization and properties of poly-(3-methyldiphenylamine) and poly(3-methoxydiphenylamine", J. ELECTROANAL. CHEM. INTERFAC. ELECTROCHEM., (1990), vol. 289, doi:doi:10.1016/0022-0728(90)87205-X, pages 37 - 53, XP026534683

DOI:   http://dx.doi.org/10.1016/0022-0728(90)87205-X
    - GUAY, J.; LECLERC, M.; DAO, L.H., "Conducting polymer derived from 4-aminobiphenyl", J. ELECTROANAL. CHEM. INTERFAC. ELECTROCHEM., (1988), vol. 251, doi:doi:10.1016/0022-0728(88)80382-6, pages 31 - 39, XP026512874

DOI:   http://dx.doi.org/10.1016/0022-0728(88)80382-6
    - LECLERC, M.; GUAY, J.; DAO, L.H., "Synthesis and properties of electrochromic polymers from toluidines", J. ELECTROANAL. CHEM. INTERFAC. ELECTROCHEM, (1988), vol. 251, doi:doi:10.1016/0022-0728(88)80381-4, pages 21 - 29, XP026512873

DOI:   http://dx.doi.org/10.1016/0022-0728(88)80381-4
    - NGUYEN, M.T.; DAO, L.H., "Electrochemical, electrochromic, and conductive properties of poly(N-alkyldiphenylamine) polymers", J. CHEM. SOC., CHEM. COMMUN., (1990), pages 1221 - 1222
    - HOTTA, S.; RUGHOOPUTH, S.D.D.V.; HEEGER, A.J.; WUDL, F., MACROMOLECULES, (1987), vol. 20, page 212
    - PATIL, A.O.; IKENOUE, Y.; WUDL, F.; HEEGER A.J., J. AM. CHEM. SOC., (1987), vol. 109, page 1858
    - RAM, M.K.; MACCIONI, E.; NICOLINI, C, "The electrochromic response of polyaniline and its copolymeric systems", THIN SOLID FILMS, (1997), vol. 303, doi:doi:10.1016/S0040-6090(97)00068-0, pages 27 - 33, XP005256707

DOI:   http://dx.doi.org/10.1016/S0040-6090(97)00068-0
    - MENON, R.; YOON, C.O.; MOSES, D; HEEGER, A.J., "Metal-Insulator Transition in Doped Conducting Polymers", MENON, R.; YOON, C.O.; MOSES, D; HEEGER, A.J., SKOTHEIM, T.A.; REYNOLDS, J., Handbook of Conducting Polymers, 2nd ed., CRC PRESS, (1998), page 27
    - FILLION, E.; FISHLOCK, D.; WILSILY, A.; GOLL, J. M., J. ORG. CHEM., (2005), vol. 70, page 1316
    - TIEFENBACHER, K.; REBEK, JR., J. AM. CHEM. SOC., (2012), vol. 134, page 2914
    - INVERNALE, M.A.; SESHADRI, V.; MAMANGUN, D.M.D.; DING, Y.; FILLORAMO, J; SOTZING, G.A., CHEM. MATER., (2009), vol. 21, pages 3332 - 3336
    - PADILLA, J; SESHADRI, V.; FILLORAMO, J.; MINO, W.K.; MISHRA, S.P.; RADMARD, B.;; KUMAR, A.; SOTZING, G.A.; OTERO, T.F., SYNTHETIC METALS, (2007), vol. 157, pages 261 - 268
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.