(19)

(11)

EP 3 987 004 A1

(12)

(43) Date of publication: 27.04.2022 Bulletin 2022/17 (21) Application number: 20826773.2 (22) Date of filing: 18.06.2020

(51) International Patent Classification (IPC):  C12N 5/00(2006.01) C12N 5/071(2010.01) C12N 5/07(2010.01) (52) Cooperative Patent Classification (CPC): C08J 9/122; C08J 2203/06; C08J 2201/03; C08J 9/08; C08J 2203/02; C08J 2203/184; C08J 2300/22; C08J 2203/08; B29C 44/3446; B29C 44/42 (86) International application number: PCT/US2020/038472 (87) International publication number: WO 2020/257481 (24.12.2020 Gazette 2020/52)

(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: 20.06.2019 US 201916447201 (71) Applicant: Trexel, Inc. Wilmington, MA 01887 (US)	(72) Inventors: DIX, Samuel, Edward Newton, NH 03858 (US) KISHBAUGH, Levi, A. Groveland, MA 01834 (US) (74) Representative: Carpmaels & Ransford LLP  One Southampton Row London WC1B 5HA London WC1B 5HA (GB)