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Patent Searching and Data


Title:
THERMOPLASTIC POLYURETHANE FILM FOR DELIVERY OF ACTIVE AGENTS TO SKIN SURFACES
Document Type and Number:
WIPO Patent Application WO/2016/069396
Kind Code:
A3
Abstract:
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.

Inventors:
WALDER ANTHONY J (US)
MARTIN MIREIA (ES)
KULKARNI PALLAVI (US)
BASONE PAUL M (US)
MENDEZ SANDRA (ES)
LANKOWSKI SHAWN (US)
MARCHANT NANCY S (US)
CEBRIAN PUCHE JUAN (ES)
Application Number:
PCT/US2015/057084
Publication Date:
August 04, 2016
Filing Date:
October 23, 2015
Export Citation:
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Assignee:
LUBRIZOL ADVANCED MAT INC (US)
International Classes:
A61K8/87; C08G18/48; A61K9/00; A61K9/70; A61Q19/08; C08G18/32; C08G18/66; C08G18/73; C08G18/75; C09D175/04
Domestic Patent References:
WO1998008884A11998-03-05
WO2013131969A22013-09-12
Foreign References:
US5000955A1991-03-19
EP2159223A22010-03-03
Other References:
See also references of EP 3212688A2
Attorney, Agent or Firm:
SKERRY, Ann, M. (The Halle Building 5th Floor,1228 Euclid Avenu, Cleveland OH, US)
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