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US 11,383,479 B2Granted
Hair cleaning implement
AssigneeThe Procter & Gamble Company
InventorsMichael Lee Vatter, James Terry Knapmeyer
Life of this patent
Estimating the term…
Abstract
A hair cleaning implement in the form of a laminate with surface properties specifically tailored to improve sebum removal from hair. The implement includes a nonwoven material joined to a film to form a laminate and a plurality of discrete protrusions extending from the surface of the nonwoven material. The protrusions are configured to provide the desired surface properties to the implement.
Claims19
A hair cleaning implement, comprising:
- a) a first nonwoven material layer comprising a first surface, an opposing second surface, and a plurality of fibers;
- b) a film material layer comprising a first surface and an opposing second surface, wherein at least a portion of the first surface of the film material is joined to at least a portion of the second surface of the first nonwoven material layer to form a laminate;
- and
- c) a plurality of discrete protrusions extending outwardly from the first surface of the nonwoven material, wherein the first surface of the nonwoven material layer of the implement has an Smean of about 0.001 and 0.01, an Spd of less than about 0.17, and a Vvv of less than about 0.03, according to ISO 25178.
1 more element
Dependencies are inferred from the claim text.