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(11)

EP 4 816 846 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24828602.3 (22) Date of filing: 02.12.2024

(51) International Patent Classification (IPC):  G01S 7/02(2006.01) G01S 13/931(2020.01) G01S 7/03(2006.01) H01Q 1/42(2006.01) (52) Cooperative Patent Classification (CPC): G01S 13/931; G01S 2013/93275; G01S 7/027; G01S 7/03 (86) International application number: PCT/US2024/058073 (87) International publication number: WO 2025/117945 (05.06.2025 Gazette 2025/23)

(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: GE KH MA MD TN (30) Priority: 02.12.2023 US 202363605484 P (71) Applicant: PPG Industries Ohio Inc. Cleveland, OH 44111 (US)	(72) Inventor: DECKER, Eldon Lorenzo Cleveland, Ohio 44111 (US) (74) Representative: f & e patent  Braunsberger Feld 29 51429 Bergisch Gladbach 51429 Bergisch Gladbach (DE)