US 12,134,750 B2
Solidification process using low levels of coupler/hydrotrope
Janel Marie Kieffer, Saint Paul, MN (US); Katherine Molinaro, Saint Paul, MN (US); Gary Becker, Saint Paul, MN (US); Tobias Foster, Cologne (DE); and Karina Labusga, Saint Paul (DE)
Assigned to ECOLAB USA INC., Saint Paul, MN (US)
Filed by ECOLAB USA INC., Saint Paul, MN (US)
Filed on Aug. 16, 2023, as Appl. No. 18/450,982.
Application 18/450,982 is a continuation of application No. 17/303,814, filed on Jun. 8, 2021, granted, now 11,773,348.
Application 17/303,814 is a continuation of application No. 16/946,959, filed on Jul. 13, 2020, granted, now 11,060,048, issued on Jul. 13, 2021.
Application 16/946,959 is a continuation of application No. 16/243,896, filed on Jan. 9, 2019, granted, now 10,745,650, issued on Aug. 18, 2020.
Application 16/243,896 is a continuation of application No. 15/131,343, filed on Apr. 18, 2016, granted, now 10,221,376, issued on Mar. 5, 2019.
Prior Publication US 2024/0043774 A1, Feb. 8, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C11D 3/32 (2006.01); C11D 1/825 (2006.01); C11D 3/04 (2006.01); C11D 3/34 (2006.01); C11D 17/00 (2006.01)
CPC C11D 3/323 (2013.01) [C11D 1/8255 (2013.01); C11D 3/046 (2013.01); C11D 3/3409 (2013.01); C11D 3/3418 (2013.01); C11D 17/0047 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A solid rinse aid composition comprising:
(a) two or more solid nonionic surfactants,
(b) an association disruption agent, wherein said disruption agent is one of: a C12-C16 alcohol alkoxylate with 7 moles of PO and 5 moles of EO, a butoxy capped alcohol ethoxylate, or a fatty alcohol alkoxylate (EO or EO/PO) surfactant;
(c) from about 0.1 wt % to about 15 wt. % of a coupler/hydrotrope comprising one or more short chain alkyl benzene and/or alkyl naphthalene sulfonates;
(d) a hardening agent and
(e) water,
wherein the composition is free of polyoxypropylene-polyoxyethylene reverse block copolymers.