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:
Apr. 26, 2005
Filed:
Jul. 29, 1999
Derek O'hagan, Berkeley, CA (US);
Manmohan Singh, Hercules, CA (US);
Gary Ott, Oakland, CA (US);
Chiron Corporation, Emeryville, CA (US);
Abstract
The present invention is directed to microparticles, to microparticle compositions containing the same, to methods of forming the same, and to uses for the same, including use for a vaccine, for raising an immune response, for treatment of a disease and for diagnosis of a disease. The microparticles comprise a biodegradable polymer, such as a poly(α-hydroxy acid), a polyhydroxy butyric acid, a polycaprolactone, a polyorthoester, a polyanhydride, or a polycyanoacrylate, and a detergent selected from a cationic detergent and an anionic detergent. The microparticles further comprise an antigen adsorbed on the surface of the microparticle.