(19)

(11)

EP 4 824 901 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24904941.2 (22) Date of filing: 13.12.2024

(51) International Patent Classification (IPC):  H01Q 3/36(2006.01) H01Q 1/36(2006.01) H01Q 25/02(2006.01) H01Q 9/28(2006.01) H01Q 3/44(2006.01) H01Q 21/29(2006.01) H01Q 13/08(2006.01) (52) Cooperative Patent Classification (CPC): H01Q 3/36; H01Q 21/067 (86) International application number: PCT/US2024/059974 (87) International publication number: WO 2025/128957 (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: GE KH MA MD TN (30) Priority: 14.12.2023 US 202363610145 P (71) Applicant: Battelle Memorial Institute Columbus, OH 43201 (US)	(72) Inventor: THORNTON, Douglas A. Columbus, Ohio 43220 (US) (74) Representative: Lucke, Andreas  Boehmert & Boehmert Anwaltspartnerschaft mbB Pettenkoferstrasse 22 80336 München 80336 München (DE)