(19)

(11)

EP 3 806 650 A1

(12)

(43) Date of publication: 21.04.2021 Bulletin 2021/16 (21) Application number: 19823188.8 (22) Date of filing: 18.06.2019

(51) International Patent Classification (IPC):  A23K 10/16(2016.01) C12M 1/04(2006.01) A23K 50/90(2016.01) C12N 1/02(2006.01) (86) International application number: PCT/US2019/037688 (87) International publication number: WO 2019/246066 (26.12.2019 Gazette 2019/52)

(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: 18.06.2018 US 201862686508 P 17.06.2019 US 201916443658 (71) Applicant: Oakbio Inc. Sunnyvale, CA 94089 (US)	(72) Inventors: SEFTON, Brian Menlo Park, California 94025 (US) COLEMAN, William Menlo Park, California 94025 (US) (74) Representative: Mollekopf, Gerd Willi  Kahler Käck Mollekopf Partnerschaft von Patentanwälten mbB Vorderer Anger 239 86899 Landsberg/Lech 86899 Landsberg/Lech (DE)