US 11,939,429 B1
Infrared-transparent polymers and methods of making and using the same
Adam F. Gross, Santa Monica, CA (US); Ashley M. Dustin, Los Angeles, CA (US); Andrew P. Nowak, Los Angeles, CA (US); and April R. Rodriguez, Santa Monica, CA (US)
Assigned to HRL Laboratories, LLC, Malibu, CA (US)
Filed by HRL Laboratories, LLC, Malibu, CA (US)
Filed on May 30, 2019, as Appl. No. 16/427,265.
Claims priority of provisional application 62/691,707, filed on Jun. 29, 2018.
Claims priority of provisional application 62/691,710, filed on Jun. 29, 2018.
This patent is subject to a terminal disclaimer.
Int. Cl. C08G 79/025 (2016.01); C08J 3/24 (2006.01); C08L 43/02 (2006.01); G01N 21/35 (2014.01); G16C 20/30 (2019.01)
CPC C08G 79/025 (2013.01) [C08J 3/24 (2013.01); C08L 43/02 (2013.01); C08J 2385/02 (2013.01); C08L 2201/10 (2013.01); C08L 2312/00 (2013.01); G01N 21/35 (2013.01); G01N 2021/3595 (2013.01); G16C 20/30 (2019.02)] 23 Claims
 
18. An infrared-transparent polymer containing a plurality of polymer repeat units of the form

OG Complex Work Unit Chemistry
wherein R1 is selected from the group consisting of carboxylates;
wherein R2 is selected from the group consisting of carboxylates;
wherein n is selected from 2 to about 10,000;
wherein said plurality of polymer repeat units is linear, cyclic, branched, or a combination thereof, and
wherein said R1 and said R2 are ionically crosslinked with a divalent metal cation.