US 12,332,180 B2
Antimicrobial surface coating formation, detection, quantification and reactivation systems and methods
Steven Poteet, Ashland, MA (US); Thomas Martz, Winston-Salem, NC (US); Bradford D'Alessio, Winston-Salem, NC (US); David C. McConnell, N. Ireland (GB); Vijay V. Pujar, Rancho Santa Fe, CA (US); Katherine Urena Pimentel, Manchester, CT (US); and Irene Rexwinkle, Mill Creek, WA (US)
Assigned to B/E Aerospace, Inc., Winston-Salem, NC (US)
Filed by B/E Aerospace, Inc., Winston-Salem, NC (US)
Filed on Jul. 2, 2021, as Appl. No. 17/366,626.
Application 17/366,626 is a continuation in part of application No. 17/071,781, filed on Oct. 15, 2020, granted, now 11,536,662.
Claims priority of provisional application 63/085,774, filed on Sep. 30, 2020.
Claims priority of provisional application 63/085,794, filed on Sep. 30, 2020.
Claims priority of provisional application 63/085,830, filed on Sep. 30, 2020.
Claims priority of provisional application 63/085,735, filed on Sep. 30, 2020.
Claims priority of provisional application 63/062,855, filed on Aug. 7, 2020.
Claims priority of provisional application 63/048,600, filed on Jul. 6, 2020.
Claims priority of provisional application 63/043,661, filed on Jun. 24, 2020.
Prior Publication US 2021/0404970 A1, Dec. 30, 2021
Int. Cl. G01N 21/78 (2006.01); A01N 33/12 (2006.01); G01N 21/64 (2006.01)
CPC G01N 21/78 (2013.01) [A01N 33/12 (2013.01); G01N 21/643 (2013.01); G01N 2021/6439 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A method for detecting coverage of an antimicrobial surface coating on a substrate, comprising the steps of:
providing a substrate including an antimicrobial surface coating;
applying an anionic agent to a surface of the substrate, wherein the anionic agent is an anionic thermochromic dye;
allowing the anionic agent to bond to the antimicrobial surface coating present on the substrate;
removing unbonded anionic agent from the surface of the substrate;
subjecting the surface of the substrate to a predetermined process to effect a change in the bonded anionic agent, wherein the predetermined process comprises applying heat from an external heat source to the surface of the substrate
observing the change in the bonded anionic agent, wherein the change observed in the bonded anionic agent is a visually detectable color change; and
determining, based on the observed change in the bonded anionic agent, coverage of the antimicrobial surface coating on the substrate.