US 11,713,435 B2
Aminocarboxylate chelating agents and detergent compositions containing them
Shawn Marie Dougherty, Kingsport, TN (US); Rong Xu, Johnson City, TN (US); Jeffrey Michael Clauson, Kingsport, TN (US); Brendan Patrick Abolins, Johnson City, TN (US); Kenneth Flint, Roanoke, VA (US); Mounir Izallalen, Kingsport, TN (US); Nicholas M. Martyak, Johnson City, TN (US); and Ryan M. Thayer, Kingsport, TN (US)
Assigned to Eastman Chemical Company, Kingsport, TN (US)
Appl. No. 16/965,517
Filed by EASTMAN CHEMICAL COMPANY, Kingsport, TN (US)
PCT Filed Jan. 17, 2019, PCT No. PCT/US2019/013972
§ 371(c)(1), (2) Date Jul. 28, 2020,
PCT Pub. No. WO2019/152208, PCT Pub. Date Aug. 8, 2019.
Claims priority of provisional application 62/623,692, filed on Jan. 30, 2018.
Prior Publication US 2021/0047590 A1, Feb. 18, 2021
Int. Cl. C11D 3/33 (2006.01); C02F 5/10 (2023.01); C11D 3/00 (2006.01); D06M 13/342 (2006.01)
CPC C11D 3/33 (2013.01) [C02F 5/10 (2013.01); C11D 3/001 (2013.01); D06M 13/342 (2013.01)] 13 Claims
 
1. A detergent composition comprising:
A) from 0.2 to 50% of at least one aminocarboxylate chelating agent, wherein said at least one aminocarboxylate chelating agent is selected from the group consisting of:
(i) trisodium 2,2′-((1-carboxypropan-2-yl)azanediyl)diacetate; and
(ii) tetrasodium 2,2′-((2,2-dimethylpropane-1,3-diyl)bis(azanediyl))disuccinate; and
B) at least one detergent additive selected from the group consisting of detersive surfactants, soil release agents, bleach or other chlorine-releasing agents, bleach activators, enzymes, bleach catalysts, anti-foamants, suds suppression agents, germicides, antimicrobials, photoactivators, dyes, perfumes, fluorescers, organic or inorganic detergent builders, glycols, soda ash, compatibilizers, alkali materials, sequestering agents, enzyme stabilizing agents, reducing agents, china protecting agents, corrosion inhibitors, defoamers and suds suppression ingredients, soil suspending ingredients, drainage promoting ingredients, fillers, thickeners, crystal modifiers, and fabric conditioners.