(19)
(11) EP 4 824 592 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 23833629.1

(22) Date of filing: 13.12.2023
(51) International Patent Classification (IPC): 
G02B 5/23(2006.01)
G02C 7/10(2006.01)
(52) Cooperative Patent Classification (CPC):
G02C 7/102; G02B 5/23
(86) International application number:
PCT/EP2023/085600
(87) International publication number:
WO 2025/124708 (19.06.2025 Gazette 2025/25)
(84) Designated Contracting States:
AL 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
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(71) Applicant: Transitions Optical Limited
Tuam, Galway H54 RD25 (IE)

(72) Inventors:
  • BROWN, Cory S.
    Pittsburgh, Pennsylvania 15219 (US)
  • KUMAR, Anil
    Murrysville, Pennsylvania 15668 (US)
  • CARPENTER, William D.
    Pinellas Park, Florida 33782 (US)

(74) Representative: Jacobacci & Partners France 
32, rue de l'Arcade
75008 Paris
75008 Paris (FR)

   


(54) POLYCHROMATIC PHOTOCHROMIC OPTICAL ARTICLE