(19)

(11)

EP 4 164 809 A1

(12)

(43) Date of publication: 19.04.2023 Bulletin 2023/16 (21) Application number: 21822675.1 (22) Date of filing: 10.06.2021

(51) International Patent Classification (IPC):  B05D 3/02(2006.01) B21D 51/26(2006.01) B05D 7/14(2006.01) (52) Cooperative Patent Classification (CPC): B21D 51/26; B05D 3/0263; B05D 7/227; B05D 2202/00; F26B 15/128; F26B 15/18; F26B 3/30; F26B 3/04 (86) International application number: PCT/US2021/036748 (87) International publication number: WO 2021/252724 (16.12.2021 Gazette 2021/50)

(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 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: 10.06.2020 US 202063037437 P 21.10.2020 US 202063094601 P (71) Applicant: Photex Inc. Cleveland OH 44139 (US)	(72) Inventors: COCHRAN, Don, W. Gates Mills, OH 44040 (US) JOHNSON, Benjamin, D. Northfield, OH 44067 (US) (74) Representative: Kador & Partner Part mbB  Corneliusstraße 15 80469 München 80469 München (DE)