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:
Jun. 25, 2002
Filed:
Jun. 14, 2000
Applicant:
Inventors:
Zuchen Lin, Midland, MI (US);
William James Schulz, Jr., Midland, MI (US);
Assignee:
Dow Corning Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 2/534 ; A61K 7/06 ; A61K 7/11 ;
U.S. Cl.
CPC ...
A01N 2/534 ; A61K 7/06 ; A61K 7/11 ;
Abstract
Water-in-oil-in-non-aqueous polar solvent W/O/PS type multiple emulsion contains a water phase W dispersed in an oil O as the first continuous phase of a primary emulsions W/O by an emulsifier. Primary emulsion W/O is dispersed in a second continuous non-aqueous polar solvent phase PS to form multiple emulsion W/O/PS. The emulsifier is a silicone elastomer containing polyether groups which is a network of polymeric molecules crosslinked with an &agr;,&ohgr;-unsaturated hydrocarbon.