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. 28, 1999
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Carl R Alving, Bethesda, MD (US);
Roberta R Owens, Silver Spring, MD (US);
Nabila M Wassef, Potomac, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424450 ; 264-41 ; 264-43 ; 4284022 ;
Abstract
A process for making a liposome preparation comprised of liposomes that contain an encapsulated material is disclosed. The process comprises (A) providing a plurality of portions of a lipid or liposome formulation; (B) hydrating each of the plurality of portions with a solution comprising a material to be encapsulated; and (C) combining each of the plurality of portions to form a single liposome preparation. The liposome preparations can be used for drug delivery or as vaccines.