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:
Nov. 13, 2012
Filed:
Oct. 03, 2008
Joseph a Mcdonough, Helotes, TX (US);
Hong Dixon, Helotes, TX (US);
Maria Lucy Kimmel, San Antonio, TX (US);
Larry Allen Cabell, San Antonio, TX (US);
Stephen T. Wellinghoff, San Antonio, TX (US);
Joseph A McDonough, Helotes, TX (US);
Hong Dixon, Helotes, TX (US);
Maria Lucy Kimmel, San Antonio, TX (US);
Larry Allen Cabell, San Antonio, TX (US);
Stephen T. Wellinghoff, San Antonio, TX (US);
Southwest Research Institute, San Antonio, TX (US);
Abstract
The present disclosure relates to non-aggregating nanoparticles and their associated methods of preparation. The nanoparticles may have a surface and a size range of 1 nm to 999 nm, along with a zeta potential of −50 to 50 millivolts. A polycation and/or polyanion may be disposed on the nanoparticle surface. In addition, an active ingredient may be encapsulated within the nanoparticles or associated with the polycation or polyanion on the nanoparticle surface.