Diaper having a lotioned topsheet
First Claim
1. A disposable diaper comprising:
- A) a liquid impervious backsheet;
B) a liquid pervious, hydrophilic topsheet joined to said backsheet, said topsheet having an inner surface oriented toward the interior of said diaper and an outer surface oriented toward the skin of the wearer when said diaper is being worn, wherein at least a portion of said topsheet outer surface comprises an effective amount of a lotion coating which is semisolid or solid at 20°
C. and which is partially transferable to the wearer'"'"'s skin, said lotion coating comprising;
(i) from about 10 to about 95% of a substantially water free emollient having a plastic or fluid consistency at 20°
C., wherein said emollient contains about 5% or less water, said emollient comprising a member selected from the group consisting of petroleum-based emollients, fatty acid ester emollients, alkyl ethoxylate emollients, and mixtures thereof;
(ii) from about 5 to about 90% of an agent capable of immobilizing said emollient on said outer surface of the topsheet, said immobilizing agent being miscible with said emollient, said immobilizing agent having a melting point of at least about 35°
C., wherein said immobilizing agent is selected from the group consisting of polyhydroxy fatty acid esters, polyhydroxy fatty acid amides, C14 -C22 fatty alcohols, C12 -C22 fatty acids, C12 -C22 fatty alcohol ethoxylates, and mixtures thereof; and
C) an absorbent core positioned between said topsheet and said backsheet.
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Accused Products
Abstract
A diaper containing a liquid pervious topsheet coated with a lotion composition is disclosed. The lotion composition reduces the adherence of BM to the skin of the wearer, thereby improving the ease of BM clean up. The lotion composition comprises a plastic or fluid emollient such as mineral oil or petrolatum, an immobilizing agent such as a fatty alcohol or paraffin wax to immobilize the emollient on the surface of the diaper topsheet, and optionally a hydrophilic surfactant to improve wettability of the coated topsheet. Because the emollient is substantially immobilized on the surface of the topsheet, less lotion is required to impart the desired therapeutic or protective lotion coating benefits.
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Citations
24 Claims
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1. A disposable diaper comprising:
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A) a liquid impervious backsheet; B) a liquid pervious, hydrophilic topsheet joined to said backsheet, said topsheet having an inner surface oriented toward the interior of said diaper and an outer surface oriented toward the skin of the wearer when said diaper is being worn, wherein at least a portion of said topsheet outer surface comprises an effective amount of a lotion coating which is semisolid or solid at 20°
C. and which is partially transferable to the wearer'"'"'s skin, said lotion coating comprising;(i) from about 10 to about 95% of a substantially water free emollient having a plastic or fluid consistency at 20°
C., wherein said emollient contains about 5% or less water, said emollient comprising a member selected from the group consisting of petroleum-based emollients, fatty acid ester emollients, alkyl ethoxylate emollients, and mixtures thereof;(ii) from about 5 to about 90% of an agent capable of immobilizing said emollient on said outer surface of the topsheet, said immobilizing agent being miscible with said emollient, said immobilizing agent having a melting point of at least about 35°
C., wherein said immobilizing agent is selected from the group consisting of polyhydroxy fatty acid esters, polyhydroxy fatty acid amides, C14 -C22 fatty alcohols, C12 -C22 fatty acids, C12 -C22 fatty alcohol ethoxylates, and mixtures thereof; andC) an absorbent core positioned between said topsheet and said backsheet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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Specification