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Patents detail a composition that clings to surfaces and can be used at or near room temperature and a non-aqueous pretreatment with several end uses.
October 25, 2024
By: Christine Esposito
Ecolab has been awarded two new patents that relate to cleaning grease and other oils in I&I settings.
In US Patent No. 12,122,982 B2 (Clinton Hunt, Jr., Benjamin Conway, Victor Fuk-Pong Man, Nathan D. Peitersen, Tsvetelina Baryakova, Owen Kinsky, Kimberly D’Aloia and Deborah Ihns), Ecolab USA details a cleaning composition that clings to surfaces and penetrates greasy soils.
According to Ecolab, the composition, which is non-abrasive and does not corrode treated surfaces, reduces the cleaning time required for removing such difficult to remove and baked on soils, reduces exposure to hot surfaces by allowing cleaning at or near room temperature, reduces exposure to caustic chemicals, and/or eliminates the need for personal protective equipment (PPE) for use of the cleaning compositions
The composition is comprised of a hydroxyethyl cellulose rheology modifier; at least one alkalinity source that is monoethanolamine, diisopropanolamine, triethanolamine, and/or 2-(2-aminoethoxyl)ethanol; a combination of emulsifiers comprising an alcohol alkoxylate non-ionic surfactant, a sulfosuccinate anionic surfactant, and a sulfonic acid or a sulfonate salt of a sulfonic acid anionic surfactant; benzyl alcohol solvent; and water and/or other carrier.
It has a pH less than about 11.5.
In a second patent (US Patent No. 12,122,985 B2), Ecolab has patented a non-aqueous pretreatment composition for removing vegetable oil soils.
The cleaning composition employs a synergistic combination of an ester solvent, preferably a fatty acid methyl ester in combination with one or more linear alkyl amines. The alkyl amines act as to remove and suspend organic oils which have been burnt or adhered to a surface with heat and may even be used alone as a soil removal agent.
The cleaning composition have particular use in cleaning of distillation towers associated with biofuel, and vegetable oil refining, but also find use in cleaning ovens, food cooking surfaces and even dry cleaning.
The work is credited to Chris Nagel, Eric Victor Schmidt, Mark Levitt and Peter J. Fernholz.
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