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(11)

EP 3 698 120 A1

(12)

(43) Date of publication: 26.08.2020 Bulletin 2020/35 (21) Application number: 18868869.1 (22) Date of filing: 17.10.2018

(51) International Patent Classification (IPC):  G01N 1/28(2006.01) G02B 21/34(2006.01) G01N 1/30(2006.01) (86) International application number: PCT/US2018/056170 (87) International publication number: WO 2019/079363 (25.04.2019 Gazette 2019/17)

(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: 18.10.2017 US 201715787185 (71) Applicant: Rarecyte, Inc. Seattle, WA 98121 (US)	(72) Inventors: CAMPTON, Daniel E. Seattle, WA 98121 (US) NORDBERG, Joshua Seattle, WA 98121 (US) SEUBERT, Ronald C. Seattle, WA 98121 (US) QUARRE, Steve Seattle, WA 98121 (US) (74) Representative: J A Kemp LLP  14 South Square Gray's Inn London WC1R 5JJ London WC1R 5JJ (GB)