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:
Dec. 15, 1998
Filed:
May. 08, 1997
Applicant:
Inventors:
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424401 ; 514937 ; 514944 ; 514938 ;
Abstract
An emulsifier composition for skin care formulations, which is present in the form of a bilayer lamellar gel network, which is stable up to a temperature of about 50.degree. C., comprising by weight, about 3-40% of a high HLB swellant which is lecithin, and a blend of low HLB emulsifier gellants, to 100%, the blend of gellants having a resultant HLB of about 1.5 to about 5. In a skin care formulation, the lamellar gel network forms a discrete third phase between the oil and water phases.