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US 6,720,301 B2Granted
Cleaning wipe
AssigneeColgate-Palmolive Company
InventorsPhilip Gorlin, Josh Ghaim, Barbara Thomas, Karen Wisniewski
Life of this patent
Estimating the term…
Abstract
The present invention relates to a cleaning wipe which is a composite of bottom layer of fibers, a center detergent film layer and a top layer of fibers.
Claims12
A cleaning wipe which comprises approximately by weight:
- (a) 20% to 80% of a top layer of fibers;
- (b) 20% to 80% of a bottom layer of fibers;
- and
- (c) 5% to 40% of a center layer of a detergent film, wherein the top, the center and the bottom layers are joined together and the detergent film comprises approximately by weight:
- (i) 2% to 18% of a water soluble polymer selected from the group consisting of hydroxyethyl methyl cellulose, carboxymethyl cellulose, poly(vinyl) alcohol, poly(vinyl) pyrrolidone, polyacrylic acid salts, polyacrylic/polymaleic copolymer and polyaspartic acid;
- and
- (ii) 25% to 50% of at least one surfactant selected from the group consisting of alkali metal salts of a fatty acid ethoxylated nonionic surfactants, amine oxide surfactants, alkyl polyglucoside surfactants, zwitterionic surfactants, anionic surfactants and C12-C14 fatty acid monoalkanol amides and mixtures thereof.
4 more elements
Dependencies are inferred from the claim text.