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US 5,705,461 AGranted
Cleaning methods and compositions for produce
AssigneeThe Procter & Gamble Company
InventorsBruce Prentiss Murch, Brian Joseph Roselle, Kyle David Jones
Life of this patent
Estimating the term…
Abstract
Acidic and basic cleaning compositions using toxicologically-acceptable ingredients for cleaning fruits and vegetables are provided. Clear liquid formulations comprising oleate, alcohol ethoxylates and buffers are sprayed onto apples, lettuce and the like to remove soil and unwanted deposits.
Claims2
A composition for cleaning fruits and vegetables at an acidic pH, comprising:
- (a) from about 0.1% to about 7.5%, by weight of an ethoxylated alcohol surfactant;
- (b) from about 0.01% to about 0.75%, by weight of oleic acid;
- (c) from about 0.1% to about 7.5%, by weight of organic polycarboxylic acid;
- (d) optionally, a toxicologically-acceptable acidic buffer;
- (e) optionally, a toxicologically-acceptable preservative;
- and
- (f) the balance comprising an aqueous carrier;
- wherein said composition has a pH in the range of from about 2.5 to 5.
5 more elements
Dependencies are inferred from the claim text.