	US 11,993,692 B2
	High efficacy Cu-based anti-microbial films and substrates and methods of making the same
Andrew Charles Antony, Ithaca, NY (US); Theresa Chang, Painted Post, NY (US); Sushmit Sunil Kumar Goyal, Painted Post, NY (US); Shrisudersan Jayaraman, Horseheads, NY (US); Rui Qi, New York, NY (US); Vinalia Tjong, Painted Post, NY (US); and Shu Yuan, Horseheads, NY (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Jul. 6, 2023, as Appl. No. 18/218,790.
Application 18/218,790 is a continuation of application No. PCT/US2022/026270, filed on Apr. 26, 2022.
Claims priority of provisional application 63/180,780, filed on Apr. 28, 2021.
Prior Publication US 2023/0357541 A1, Nov. 9, 2023
Int. Cl. C08K 13/02 (2006.01); A01N 25/08 (2006.01); A01N 59/20 (2006.01); C08J 5/18 (2006.01); C08K 3/40 (2006.01); C08K 5/00 (2006.01); C08K 5/315 (2006.01); C08K 5/521 (2006.01); C08K 5/524 (2006.01); C08K 5/5313 (2006.01); C08K 5/5333 (2006.01); C09D 5/14 (2006.01); C09D 7/20 (2018.01); C09D 7/48 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 125/06 (2006.01); C09D 133/12 (2006.01); C09D 179/08 (2006.01)

CPC C08K 13/02 (2013.01) [A01N 25/08 (2013.01); A01N 59/20 (2013.01); C08J 5/18 (2013.01); C09D 5/14 (2013.01); C09D 7/20 (2018.01); C09D 7/48 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 125/06 (2013.01); C09D 133/12 (2013.01); C09D 179/08 (2013.01); C08J 2325/06 (2013.01); C08J 2333/12 (2013.01); C08J 2379/08 (2013.01); C08K 3/40 (2013.01); C08K 5/0091 (2013.01); C08K 5/315 (2013.01); C08K 5/521 (2013.01); C08K 5/524 (2013.01); C08K 5/5313 (2013.01); C08K 5/5333 (2013.01)]

29 Claims

1. A composition, comprising:

a polymer;

an antimicrobial material comprising Cu¹⁺ ions; and

an additive configured to increase the oxidation resistance of the Cu¹⁺ ions;

wherein the antimicrobial material comprises copper salts, and the Cu¹⁺ ions and the additive form copper coordination complexes;

wherein the additive comprises at least one of an organo-phosphate, an organ-phosphite, and a phosphine;

wherein an antimicrobial film derived from the composition has an antimicrobial efficacy of at least 3 log kill as measured with EPA Test.