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AssigneeNutrition & Biosciences USA 1, LLC
InventorROLAND BAYER
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The present invention relates to an aqueous solution for forming a heat-sealable coating on a paper or board surface for reducing MOSH or MOAH migration, said aqueous solution comprising a thermoplastic hydroxypropyl methylcellulose (HPMC) in an amount of from 10% to 60% (w/w), wherein said HPMC has a DS(methyl) of at least 1.0 and an MS(hydroxypropyl) of at least 0.6, wherein DS is the average number of hydroxyl groups substituted by methoxyl groups per anhydroglucose unit and MS is the average number of moles of hydroxyalkoxy groups per anhydroglucose units, and wherein the viscosity of said HPMC is from 2 mPa·s to 100 mPa·s, determined as a 2% (w/w) solution in water at 20° C. according to Ubbelohde.
An aqueous solution for forming a heat-sealable coating on a paper or board surface for reducing MOSH or MOAH migration, said aqueous solution comprising a thermoplastic hydroxypropyl methylcellulose (HPMC) in an amount of from 10% to 60% (w/w), wherein said HPMC has a DS(methyl) of at least 1.0 and an MS(hydroxypropyl) of at least 0.6, wherein DS is the average number of hydroxyl groups substituted by methoxyl groups per anhydroglucose unit and MS is the average number of moles of hydroxyalkoxy groups per anhydroglucose units, and wherein the viscosity of said HPMC is from 2 mPa·s to 100 mPa·s, determined as a 2% (w/w) solution in water at 20° C. according to Ubbelohde.
Dependencies are inferred from the claim text.