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US 11,230,801 B2Granted
Scouring article and methods of making and using
Assignee3M Innovative Properties Company
InventorsJames P. Endle, John M. Brandner, Lauren K. Carlson, Robert J. Maki, Stephen M. Sanocki
Life of this patent
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Abstract
A scouring article including a monolithic nonwoven pad with a semi-densified fibrous layer that is integral to the monolithic nonwoven pad and that provides a major surface of the monolithic nonwoven pad, and methods of making and using.
Claims19
A scouring article comprising:
- a monolithic nonwoven pad comprising an interior and a first major surface and a second major surface, the monolithic nonwoven pad comprising:
- at least some nonwoven fibers that are bonded to each other by fiber-fiber melt-bonding;
- and,
- at least some nonwoven fibers that are bonded to each other by a binder that is distributed throughout the monolithic nonwoven pad in the form of globules;
- wherein the monolithic nonwoven pad comprises a first semi-densified fibrous layer that is integral with the monolithic nonwoven pad and that comprises an outward major surface that provides the first major surface of the monolithic nonwoven pad;
- and wherein the first major surface of the monolithic nonwoven pad comprises a first array of spaced-apart scouring bodies including particles of melamine-formaldehyde resin, at least selected scouring bodies of which first array each comprise an inward portion that penetrates at least partially into the first semi-densified fibrous layer of the monolithic nonwoven pad, and an outward portion that protrudes outward at least 0.2 mm beyond the first major surface of the monolithic nonwoven pad.
3 more elements
Dependencies are inferred from the claim text.