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(11)

EP 4 225 521 A1

(12)

(43) Date of publication: 16.08.2023 Bulletin 2023/33 (21) Application number: 21878670.5 (22) Date of filing: 08.10.2021

(51) International Patent Classification (IPC):  B22F(2006.01) (52) Cooperative Patent Classification (CPC): Y02P 10/25; B22F 10/12; B22F 10/50; B22F 2999/00; B22F 12/13; B22F 12/67; B33Y 10/00; B33Y 30/00; B33Y 40/10; B33Y 70/10; C04B 2235/6026; C04B 35/622; B29C 64/165; B29C 64/393; B29C 64/245; B29C 64/214; B29C 64/291; B29C 64/264   C-Sets: B22F 2999/00, B22F 10/50, B22F 2201/20, B22F 2202/01, B22F 2202/11; (86) International application number: PCT/US2021/054293 (87) International publication number: WO 2022/076902 (14.04.2022 Gazette 2022/15)

(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: 08.10.2020 US 202063089405 P (71) Applicant: Trio Labs, Inc. Morrisville, NC 27560 (US)	(72) Inventors: STEEGE, Adam T. C. Durham, North Carolina 27713 (US) PURCHASE, Ken G. Morrisville, North Carolina 27560 (US) ADAMS, Eric Edward Pittsboro, North Carolina 27312 (US) (74) Representative: Potter Clarkson  Chapel Quarter Mount Street Nottingham NG1 6HQ Nottingham NG1 6HQ (GB)