(19)

(11)

EP 3 953 060 A1

(12)

(43) Date of publication: 16.02.2022 Bulletin 2022/07 (21) Application number: 20788208.5 (22) Date of filing: 10.04.2020

(51) International Patent Classification (IPC):  B05D 1/12(2006.01) B05D 7/22(2006.01) B05B 7/16(2006.01) (52) Cooperative Patent Classification (CPC): B05B 13/0618; B05B 7/1486; B05B 7/1686; B05B 7/168; C23C 24/04; B05B 15/652; B05D 1/12; B05D 3/0493; B05B 7/1693; B05B 7/1436; B05B 1/06; B05D 7/22; C23C 24/00; B05B 13/0636; B05B 12/006 (86) International application number: PCT/US2020/027795 (87) International publication number: WO 2020/210718 (15.10.2020 Gazette 2020/42)

(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: 10.04.2019 US 201962831764 P 20.05.2019 US 201962850278 P (71) Applicant: New Mexico Tech University Research Park Corporation Socorro, NM 87801 (US)	(72) Inventors: FUIERER, Paul Socorro, New Mexico 87801 (US) CALVO, Robert Socorro, New Mexico 87801 (US) HINTON, Matthew Socorro, New Mexico 87801 (US) (74) Representative: Avidity IP  Broers Building Hauser Forum 21 JJ Thomson Avenue Cambridge CB3 0FA Cambridge CB3 0FA (GB)