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US 7,678,754 B2Granted
System and method for cleaning and/or treating surfaces of objects
AssigneeShell Oil Company
InventorsRonald Logan Fausnight, Marc Frederick Fagelman
Life of this patent
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Abstract
A system and method that are capable of cleaning and/or treating a surface of an object, such as the exterior surface of a vehicle. The system and method utilize wash solution formulations and rinse solution formulations including a wash solution composition that contains at least one ethoxylated interpolymer and a rinse solution with at least one layered silicate incorporating an inorganic pholyphosphate peptiser.
Claims12
A system for cleaning or treating the surface of an object comprising:
- a first chamber having a wash solution;
- a second chamber having a rinse solution;
- a sprayer capable of being connected to each chamber, wherein the sprayer is capable of selectively accessing each chamber and providing water and solution from the chamber;
- wherein the wash solution comprises:
- an ethoxylated interpolymer polymer matrix comprising a copolymer of polyvinylpyrrolidone homopolymer and hydrophilic polyurethane and having a molecular weight average in the range of about 1.0-1.5 million;
- at least one fatty amine oxide;
- and
- at least one betaine and/or at least one hydroxysultaine.
5 more elements
Dependencies are inferred from the claim text.