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:
Aug. 07, 2001
Filed:
Mar. 03, 1999
Applicant:
Inventors:
Elaine Liversidge, West Chester, PA (US);
Greta A. Gottardy, Lansdale, PA (US);
Assignee:
Elan Pharma International Limited, Shannon, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/16 ;
U.S. Cl.
CPC ...
A61K 9/16 ;
Abstract
Nanoparticulate compositions comprising an insoluble organic drug and at least one polyethylene glycol-derivatized lipid adsorbed on the surface of the drug are described. The polyethylene glycol-derivatized lipid can be a PEG-phospholipid, PEG-cholesterol, PEG-cholesterol derivative, PEG-vitamin A, PEG-vitamin E, or a mixture thereof The compositions have an effective average particle size of less than about 1 micron. The invention also describes methods of making and using such compositions.