The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 2015
Filed:
Apr. 30, 2013
Stiefel Research Australia Pty Ltd, Rowville, AU;
Maria Graziella Larm, Rosanna, AU;
Ronald Harding, North Warrandyte, AU;
Michael Johnston, Yarraville, AU;
Albert Zorko Abram, Wantirna, AU;
Prema Viyayakumar, Fremont, CA (US);
Phoebe Sun, Mountain View, CA (US);
Stiefel West Coast LLC, Wilmington, DE (US);
Abstract
An oil in water microemulsion or sub-micron emulsion composition for dermal delivery of at least one pharmaceutically active ingredient, is provided. The composition includes an oil phase dispersed throughout a water phase, the oil phase including at least one member selected from the group consisting of an animal oil, a mineral oil, a vegetable oil, a silane member, a siloxane, an ester, a fatty acid, a fat, a halogen compound, and an alkoxylated alcohol; and at least one lipophilic surfactant, the water phase including at least one hydrophilic surfactant, water and optionally a non-surfactant amphiphilic compound, the weight ratio of the at least one hydrophilic surfactant to the at least one lipophilic surfactant being approximately 9.0:1.0 to 2.0:3.0.