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US 2018/0002084 A1Published application
Water-soluble packets
AssigneeMonosol, LLC
InventorsRobby Renilde Francois Keuleers, Steven G. Friedrich, Lee K. Yeung, Shinsuke Nii
Life of this patent
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AssigneeMonosol, LLC
InventorsRobby Renilde Francois Keuleers, Steven G. Friedrich, Lee K. Yeung, Shinsuke Nii
Estimating the term…
The disclosure provides a water soluble pouch including at least two sealed compartments, the pouch including outer walls including water soluble film including a water soluble resin, and an inner wall including water soluble film including a water soluble resin, the outer wall films being sealed to the inner wall film, the outer wall films being characterized by: a dissolution time of 300 seconds or less, the water soluble resin of the outer wall films having a viscosity in a range of 14.5 cP to 25cP, and a pouch strength of at least 200 N, and the inner wall film being characterized by: a dissolution time of 300 seconds or less, the water soluble resin of the inner film having viscosity in a range of 12 cP to 14.5 cP, and a tackiness value of at least 1500 g/s.
A water soluble pouch defining an interior pouch volume, the pouch comprising at least two water-soluble films, wherein a film of the at least two water-soluble films comprises a polyvinyl alcohol resin comprising a polyvinyl alcohol copolymer comprising an anionic monomer unit, optionally one or more of maleic acid, monoalkyl maleate, dialkyl maleate monomethyl maleate dimethyl maleate, maleic anhydride, alkali metal salts of the foregoing, esters of the foregoing, and combinations of the foregoing, and wherein the water-soluble film comprising a polyvinyl alcohol copolymer comprising an anionic monomer unit is sealed to another film using a sealing solution comprising water, one or more diols and/or glycols, and a surfactant.
Dependencies are inferred from the claim text.