Extract from the Register of European Patents

EP About this file: EP4570860

EP4570860 - COUMARIN THIOESTER PHOTOINITIATORS [Right-click to bookmark this link]
StatusThe application has been published
Status updated on  16.05.2025
Database last updated on 24.03.2026
Most recent event   Tooltip07.02.2026New entry: Additional fee for renewal fee: despatch of communication + time limit 
Applicant(s)For all designated states
ARKEMA FRANCE
51 Esplanade du Général de Gaulle
La Défense
92800 Puteaux / FR
For all designated states
Centre National de la Recherche Scientifique
3, rue Michel Ange
75016 Paris / FR
For all designated states
Université de Haute Alsace
2, Rue des Frères Lumière
68093 Mulhouse Cedex / FR
[2025/25]
Inventor(s)01 / SQUIRES, Kelly
Wetherby, LS22 7NS / GB
02 / SEHNAL, Petr
Wetherby, LS22 7NS / GB
03 / PLENDERLEITH, Richard
Wetherby, LS22 7NS / GB
04 / GARRA, Patxi
08193 Bellaterra / ES
05 / FAGGI, Enrico
08193 Bellaterra / ES
06 / SPRICK, Élodie
69110 Sainte-Foy-lès-Lyon / FR
07 / LALEVEE, Jacques
68057 Mulhouse / FR
08 / BECHT, Jean-Michel
68057 Mulhouse / FR
 [2025/25]
Representative(s)Lavoix
2, place d'Estienne d'Orves
75441 Paris Cedex 09 / FR
[2025/25]
Application number, filing date23307213.114.12.2023
[2025/25]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP4570860
Date:18.06.2025
Language:EN
[2025/25]
Search report(s)(Supplementary) European search report - dispatched on:EP13.06.2024
ClassificationIPC:C09B57/02
[2025/25]
CPC:
C09B57/02 (EP); C09B69/00 (EP); C09B69/109 (EP);
Y02E10/549 (EP)
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,   ME,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2025/25]
Extension statesBANot yet paid
Validation statesKHNot yet paid
MANot yet paid
MDNot yet paid
TNNot yet paid
TitleGerman:COUMARINTHIOESTER-PHOTOINITIATOREN[2025/25]
English:COUMARIN THIOESTER PHOTOINITIATORS[2025/25]
French:PHOTO-INITIATEURS THIOESTERS DE COUMARINE[2025/25]
Examination procedure14.01.2026Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time
Fees paidPenalty fee
Additional fee for renewal fee
31.12.202503   M06   Not yet paid
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.
Documents cited:Search[X] CN116693487  (UNIV BEIJING CHEM TECH et al.)
 [X]   KATRITZKY ALAN ET AL: "Synthesis of Coumarin Conjugates of Biological Thiols for Fluorescent Detection and Estimation", SYNTHESIS, vol. 2011, no. 09, 5 May 2011 (2011-05-05), STUTTGART, DE., pages 1494 - 1500, XP055969260, ISSN: 0039-7881, DOI: 10.1055/s-0030-1259991

DOI:   http://dx.doi.org/10.1055/s-0030-1259991
 [X]   HE XU ET AL: "New coumarin derivatives: Design, synthesis and use as inhibitors of hMAO", BIOORGANIC & MEDICINAL CHEMISTRY, ELSEVIER, AMSTERDAM, NL, vol. 22, no. 14, 14 May 2014 (2014-05-14), pages 3732 - 3738, XP029033695, ISSN: 0968-0896, DOI: 10.1016/J.BMC.2014.05.002

DOI:   http://dx.doi.org/10.1016/j.bmc.2014.05.002
 [X]   AKIRA TAKADATE: "3-(7-METHOXYCOUMARIN-3-CARBONYL)- AND 3-(7-DIMETHYLAMINOCOUMARIN-3-CARBONYL)-2-OXAZOLONES AS NEW FLUORESCENT LABELING REAGENTS FOR HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY", CHEMICAL AND PHARMACEUTICAL BULLETIN, vol. 37, 1 January 1989 (1989-01-01), pages 373 - 376, XP093165707 [X] 1-3,5,8 * page 1495; table 2; compounds 4a, 4d, 4f, 4i, 4k, 4n *
 [X]   LAVANYA L. PREMVARDHAN: "Impact of Photon Absorption on the Electronic Properties of p -Coumaric Acid Derivatives of the Photoactive Yellow Protein Chromophore", JOURNAL OF PHYSICAL CHEMISTRY PART B, vol. 108, no. 16, 26 March 2004 (2004-03-26), US, pages 5138 - 5148, XP093165717, ISSN: 1520-6106, DOI: 10.1021/jp037469b [X] 1,5,8-10 * page 3734; compounds 5m, 5p, 5s *

DOI:   http://dx.doi.org/10.1021/jp037469b
 [X]   ALAA S. ABD-EL-AZIZ: "Synthesis of novel coumarin and benzocoumarin derivatives and their biological and photophysical studies", JOURNAL OF HETEROCYCLIC CHEMISTRY, vol. 44, no. 6, 1 November 2007 (2007-11-01), US, pages 1287 - 1301, XP093165729, ISSN: 0022-152X, DOI: 10.1002/jhet.5570440610 [X] 1,2,5,8 * page 374; compounds IIa, IIb *
 [X]   MANAS KUMAR TRIPATHY ET AL: "Apyrase inhibitors enhance the ability of diverse fungicides to inhibit the growth of different plant-pathogenic fungi : Apyrase inhibitors potentiate plant fungicides", MOLECULAR PLANT PATHOLOGY, vol. 18, no. 7, 15 September 2016 (2016-09-15), GB, pages 1012 - 1023, XP055474830, ISSN: 1464-6722, DOI: 10.1111/mpp.12458 [X] 1,5,8 * page 5139; compound TM7HC *

DOI:   http://dx.doi.org/10.1111/mpp.12458
 [X]   HEMAKESH MOHAPATRA ET AL: "Using Smell To Triage Samples in Point-of-Care Assays", ANGEWANDTE CHEMIE INTERNATIONAL EDITION, VERLAG CHEMIE, HOBOKEN, USA, vol. 51, no. 44, 4 October 2012 (2012-10-04), pages 11145 - 11148, XP072076255, ISSN: 1433-7851, DOI: 10.1002/ANIE.201207008 [X] 1,2,5,8,9 * page 1288; compounds (21)a-b *

DOI:   http://dx.doi.org/10.1002/anie.201207008
 [X]   ANTHONY RULLO ET AL: "Site-Selective Affinity Labelling of Maltose Binding Protein in Bacterial Cells", CHEMBIOCHEM, JOHN WILEY & SONS, INC, HOBOKEN, USA, vol. 13, no. 6, 29 February 2012 (2012-02-29), pages 783 - 787, XP072156448, ISSN: 1439-4227, DOI: 10.1002/CBIC.201200046 [X] 1,2,5,8 * page 1014; figure 1; compound 10 *

DOI:   http://dx.doi.org/10.1002/cbic.201200046
by applicantCN116693487
 US6503959
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.