(19)
(11) EP 4 537 139 A1

(12)

(43) Date of publication:
16.04.2025 Bulletin 2025/16

(21) Application number: 23738954.9

(22) Date of filing: 07.06.2023
(51) International Patent Classification (IPC): 
G02B 5/28(2006.01)
B23B 3/00(2006.01)
(52) Cooperative Patent Classification (CPC):
G02B 5/286; G02B 5/0808
(86) International application number:
PCT/US2023/024692
(87) International publication number:
WO 2023/239778 (14.12.2023 Gazette 2023/50)
(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

(30) Priority: 07.06.2022 US 202263349652 P
06.06.2023 US 202318329661

(71) Applicant: Vitro Flat Glass LLC
Cheswick PA 15024 (US)

(72) Inventor:
  • FISHER, Patrick
    Pittsburgh, Pennsylvania 15237 (US)

(74) Representative: f & e patent 
Braunsberger Feld 29
51429 Bergisch Gladbach
51429 Bergisch Gladbach (DE)

   


(54) ASYMMETRIC PATTERNED REFLECTIVE COATING