US 12,305,146 B2
Composition for cleaning and assessing cleanliness in real-time
Huyen Bui, Brooklyn Park, MN (US); Tuan Nguyen, Chaska, MN (US); Mer Win Cheong, Pomezia (IT); Kristopher Murphy, New Brighton, MN (US); Nicholas G. Bromiley, Annandale, MN (US); Joseph G. Johnnie, Pearland, TX (US); and Jing Yu, Pasadena, CA (US)
Assigned to Medivators Inc., Minneapolis, MN (US)
Appl. No. 17/289,488
Filed by Medivators Inc., Minneapolis, MN (US)
PCT Filed Nov. 1, 2019, PCT No. PCT/US2019/059357
§ 371(c)(1), (2) Date Apr. 28, 2021,
PCT Pub. No. WO2020/096890, PCT Pub. Date May 14, 2020.
Claims priority of provisional application 62/755,789, filed on Nov. 5, 2018.
Prior Publication US 2022/0195334 A1, Jun. 23, 2022
Int. Cl. C11D 1/72 (2006.01); C11D 1/722 (2006.01); C11D 3/00 (2006.01); C11D 3/04 (2006.01); C11D 3/06 (2006.01); C11D 3/20 (2006.01); C11D 3/33 (2006.01); C11D 3/43 (2006.01); C11D 3/48 (2006.01)
CPC C11D 1/72 (2013.01) [C11D 1/722 (2013.01); C11D 3/0026 (2013.01); C11D 3/0047 (2013.01); C11D 3/0073 (2013.01); C11D 3/044 (2013.01); C11D 3/06 (2013.01); C11D 3/2041 (2013.01); C11D 3/2072 (2013.01); C11D 3/2096 (2013.01); C11D 3/33 (2013.01); C11D 3/48 (2013.01); C11D 2111/20 (2024.01); C11D 2111/46 (2024.01)] 20 Claims
OG exemplary drawing
 
1. A composition for detecting residual biological material, the composition comprising ortho-phthalaldehyde, a glycol, a surfactant, a buffer system, an Arrhenius base, a chelator, a corrosion inhibitor and water, wherein the composition has a pH between 11.9 and 12.2; wherein the composition is an aqueous solution.