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EP 4 237 170 A1

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(43) Date of publication: 06.09.2023 Bulletin 2023/36 (21) Application number: 21887512.8 (22) Date of filing: 28.10.2021

(51) International Patent Classification (IPC):  B22F 3/105(2006.01) B23K 26/04(2014.01) B29C 64/286(2017.01) B22F 10/28(2021.01) B29C 64/268(2017.01) G02B 27/14(2006.01) (52) Cooperative Patent Classification (CPC): G02B 27/14; B22F 10/28; B29C 64/268; B29C 64/286; Y02P 10/25; B29C 64/282; B33Y 30/00; B29C 64/153; B33Y 10/00; B22F 12/45; B22F 12/44; G02B 27/0977 (86) International application number: PCT/US2021/057038 (87) International publication number: WO 2022/094071 (05.05.2022 Gazette 2022/18)

(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: 29.10.2020 US 202063107310 P (71) Applicant: Seurat Technologies, Inc. Wilmington, MA 01887 (US)

(72) Inventors: LEARD, Francis, L. Wilmington, MA 01887 (US) DEMUTH, James, A. Wilmington, MA 01887 (US) BAYRAMIAN, Andrew, J. Wilmington, MA 01887 (US) KRAS, Susanne Wilmington, MA 01887 (US) CLAUSON, William, H. Wilmington, MA 01887 (US) GARVIN, Craig Wilmington, MA 01887 (US) MURACHVER, Matthew Wilmington, MA 01887 (US) (74) Representative: Betten & Resch  Patent- und Rechtsanwälte PartGmbB Maximiliansplatz 14 80333 München 80333 München (DE)