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. 05, 2008
Filed:
Feb. 21, 2002
Applicants:
Steffen Panzner, Halle, DE;
Gerold Endert, Halle, DE;
Stefan Fankhaenel, Dresden, DE;
Nasr El-mokdad, Halle, DE;
Inventors:
Steffen Panzner, Halle, DE;
Gerold Endert, Halle, DE;
Stefan Fankhaenel, Dresden, DE;
Nasr El-Mokdad, Halle, DE;
Assignee:
Novosom AG, Halle, DE;
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/58 (2006.01); A61K 9/127 (2006.01); C07J 43/00 (2006.01); C12N 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An amphoteric compound based on a sterol skeleton, the 3-position of the sterol ring system being substituted by one or more amphoteric groups having an isoelectric point of between about 4 and 9, together with liposomes containing such compounds and their uses.