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(11)

EP 4 271 747 A1

(12)

(43) Date of publication: 08.11.2023 Bulletin 2023/45 (21) Application number: 21916461.3 (22) Date of filing: 30.12.2021

(51) International Patent Classification (IPC):  C08L 23/04(2006.01) H01J 49/42(2006.01) H01J 49/00(2006.01) (52) Cooperative Patent Classification (CPC): H01J 49/062 (86) International application number: PCT/US2021/065617 (87) International publication number: WO 2022/147201 (07.07.2022 Gazette 2022/27)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 31.12.2020 US 202063132876 P (71) Applicant: Mobilion Systems, Inc. Chadds Ford, PA 19317 (US)	(72) Inventors: ROEHR, Nathan, Paul Wilmington, DE 19809 (US) DEBORD, John, Daniel West Grove, PA 19390 (US) DENG, Liulin Chester Springs, PA 19425 (US) (74) Representative: Müller-Boré & Partner Patentanwälte PartG mbB  Friedenheimer Brücke 21 80639 München 80639 München (DE)