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US 12,709,721 B2Granted
Unit dose article for packaging personal care products
AssigneeMonosol, LLC
InventorsNicholas Zeese, Jonathon Knight, Victoria Bridewell
Life of this patent
Estimating the term…
Abstract
Disclosed herein are unit dose articles comprising one or more compartments, the one or more compartments comprising a nonwoven web and a water soluble film.
Claims19
A unit dose article comprising a compartment, the unit dose article comprising:
- a water soluble film in the form of a first pouch defining a first interior pouch volume, the water soluble film comprising a water soluble resin comprising a polyvinyl alcohol homopolymer, a polyvinyl alcohol copolymer, or a mixture of a polyvinyl alcohol homopolymer and a polyvinyl alcohol copolymer;
- a nonwoven web in the form of a second pouch defining a second interior pouch volume encompassing the water soluble film in the form of a pouch, the nonwoven web comprising a plurality of fibers comprising a first fiber type comprising a polyvinyl alcohol homopolymer fiber forming material having a degree of hydrolysis of about 75% to about 91%, and a second fiber type comprising one or both of a non-water soluble polyester and a polylactic acid fiber forming material, wherein the water soluble film and the nonwoven web are in the form of a laminate;
- and
- a personal care composition disposed within the first interior pouch volume, the personal care composition comprising a surfactant.
1 more element
A unit dose article comprising a compartment, the unit dose article comprising:
- a water soluble film in the form of a first pouch defining a first interior pouch volume, the water soluble film comprising a water soluble resin comprising a polyvinyl alcohol homopolymer, a polyvinyl alcohol copolymer, or a mixture of a polyvinyl alcohol homopolymer and a polyvinyl alcohol copolymer;
- a nonwoven web in the form of a second pouch defining a second interior pouch volume encompassing the water soluble film in the form of a pouch, the nonwoven web comprising a plurality of fibers comprising a first fiber type comprising a polyvinyl alcohol homopolymer having a degree of hydrolysis of about 92% to about 99.9% and a second fiber type comprising one or both of a non-water soluble polyester and a polylactic acid fiber forming material, wherein the water soluble film and the nonwoven web are in the form of a laminate;
- and
- a personal care composition disposed within the first interior pouch volume, the personal care composition comprising a surfactant.
1 more element
Dependencies are inferred from the claim text.