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:
May. 26, 1998
Filed:
Apr. 11, 1997
Applicant:
Inventor:
Rajiv Mathur, Sewell, NJ (US);
Assignee:
Igen, Inc., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
264-41 ; 4284022 ; 42840221 ; 42840224 ;
Abstract
Lipid vesicles which remain stable at high temperatures are disclosed. The vesicles contain as a component of their lipid bilayers at least one ethoxylated alcohol having a linear C20-C50 carbon chain. Also disclosed is a method of making the vesicles. The lipid vesicles are useful in forming cosmetic and dermatologic preparations, such as lipstick, which are processed at high temperatures (e.g., at 80.degree. C. or above) during manufacture.