(19)

(11)

EP 3 983 140 A1

(12)

(43) Date of publication: 20.04.2022 Bulletin 2022/16 (21) Application number: 21807503.4 (22) Date of filing: 14.05.2021

(51) International Patent Classification (IPC):  B05D 1/02(2006.01) B05D 1/28(2006.01) B05D 1/18(2006.01) (52) Cooperative Patent Classification (CPC): B05D 1/02; B05D 2502/00; B05D 2401/20; B05D 2203/22; B05D 2501/10; B65D 25/14; B65D 81/3446; B65D 1/34 (86) International application number: PCT/US2021/032396 (87) International publication number: WO 2021/236433 (25.11.2021 Gazette 2021/47)

(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: 18.05.2020 US 202016877419 (71) Applicant: Footprint International LLC Gilbert AZ 85297 (US)	(72) Inventors: CHUNG, Yoke, D. Chandler, AZ 85249 (US) ZIEGELMAN, Dustin Gilbert, AZ 85297 (US) ZHANG, Yiyun Gilbert, AZ 85296 (US) GONZALEZ, Ric Chandler, AZ 85248 (US) WANG, Min Gilbert, AZ 85297 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)