THERMOPLASTIC POLYURETHANE FILM FOR DELIVERY OF ACTIVE AGENTS TO SKIN SURFACES

A polymer film suited to use as a face mask or transdermal patch includes at least 30 wt. % of a thermoplastic polyurethane polymer which is the reaction product of a first polyether polyol having a molecular weight of at least 3000 daltons, optionally, a second polyether polyol having a molecular w...

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Bibliographic Details
Main Authors Marchant Nancy S, Martin Mireia, Kulkarni Pallavi, Walder Anthony J, Mendez Sandra, Cebrián Puche Juan, Basone Paul M, Lankowski Shawn
Format Patent
LanguageEnglish
Published 09.11.2017
Subjects
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Summary:A polymer film suited to use as a face mask or transdermal patch includes at least 30 wt. % of a thermoplastic polyurethane polymer which is the reaction product of a first polyether polyol having a molecular weight of at least 3000 daltons, optionally, a second polyether polyol having a molecular weight of no more than 2500 daltons, at least one of a third polyol having a molecular weight of up to 800 daltons, and a chain extender, a diisocyanate, optionally, a catalyst. The film includes up to 5 wt. % water.
Bibliography:Application Number: US201515520661