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EP 4 225 036 A1

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(43) Date of publication: 16.08.2023 Bulletin 2023/33 (21) Application number: 20956890.6 (22) Date of filing: 08.10.2020

(51) International Patent Classification (IPC):  A01N 65/28(2009.01) C11D 3/48(2006.01) C11D 3/382(2006.01) (52) Cooperative Patent Classification (CPC): C11D 3/48; Y02A 50/30; A01P 1/00; A01N 25/12; C11D 17/049; C11D 17/0039; C11D 3/38; C11D 3/124 (86) International application number: PCT/US2020/054768 (87) International publication number: WO 2022/075991 (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 (71) Applicants: Morehouse School of Medicine Atlanta, GA 30310-1495 (US) Devmar Products, LLC Nashville, TN 37210 (US) Innovative Environmental Companies Rockford, IL 61104 (US)

(72) Inventors: HAWKINS, Walter Delafield, WI 53018 (US) LILLARD, James, W. Smyrna, GA 30082 (US) (74) Representative: Brand Murray Fuller LLP  50 Eastcastle Street London W1W 8EA London W1W 8EA (GB)