US 11,718,813 B2
2-in-1 sanitizing and rinse aid compositions employing amine based surfactants in machine warewashing
Derrick Richard Anderson, Saint Paul, MN (US); Kelly Anne Rightmire, Saint Paul, MN (US); Erik C. Olson, Saint Paul, MN (US); Jesse Ray Murphy, Saint Paul, MN (US); and Carter M. Silvernail, Saint Paul, MN (US)
Assigned to ECOLAB USA INC., Saint Paul, MN (US)
Filed by ECOLAB USA INC., Saint Paul, MN (US)
Filed on Mar. 23, 2021, as Appl. No. 17/301,039.
Claims priority of provisional application 62/993,172, filed on Mar. 23, 2020.
Prior Publication US 2021/0292679 A1, Sep. 23, 2021
Int. Cl. C11D 1/40 (2006.01); C11D 1/52 (2006.01); C11D 1/72 (2006.01); C11D 1/835 (2006.01); C11D 3/30 (2006.01); C11D 3/386 (2006.01); B08B 3/04 (2006.01); A01N 25/00 (2006.01); A01N 33/04 (2006.01); A01N 63/50 (2020.01); A61L 2/18 (2006.01); C11D 11/00 (2006.01); A61L 101/36 (2006.01); C11D 1/74 (2006.01)
CPC C11D 1/835 (2013.01) [A61L 2/18 (2013.01); C11D 3/38618 (2013.01); C11D 11/0023 (2013.01); A61L 2101/36 (2020.08); A61L 2202/17 (2013.01); C11D 1/40 (2013.01); C11D 1/528 (2013.01); C11D 1/74 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A sanitizing cleaning/rinse aid composition comprising:
from about 5 wt. % to about 95 wt. % of one or more amine surfactants having the formula:

OG Complex Work Unit Chemistry
wherein group R1 is a linear or branched, saturated or unsaturated C4-C24 alkyl group or H; and
R2 and R3 are selected from the group of H, (CH2)3NH2, (CH2)3NHCH2COOH, CH2COOH, (CH2)3N(CH2COOH)2, (CH2)3NH2;
a defoaming agent, wherein said defoaming agent is a fatty alcohol alkoxylate; and
an enzyme,
wherein said composition is substantially free of chlorine, oxidizers, and/or quaternary ammonium chloride.