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. 03, 2015
Filed:
Aug. 12, 2003
Applicants:
Brian D. Scherzer, Midland, MI (US);
Jonathan C. Evans, Midland, MI (US);
James E. Hitt, Midland, MI (US);
Inventors:
Brian D. Scherzer, Midland, MI (US);
Jonathan C. Evans, Midland, MI (US);
James E. Hitt, Midland, MI (US);
Assignee:
BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM, Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/14 (2006.01); F26B 17/28 (2006.01); A61K 9/16 (2006.01); A61K 9/19 (2006.01); A61K 31/38 (2006.01); F26B 5/06 (2006.01); A61K 6/00 (2006.01); A61K 9/50 (2006.01);
U.S. Cl.
CPC ...
F26B 17/284 (2013.01); A61K 9/14 (2013.01); A61K 9/1688 (2013.01); A61K 9/19 (2013.01); A61K 31/38 (2013.01); F26B 5/065 (2013.01); A61K 6/0008 (2013.01); A61K 9/145 (2013.01); A61K 9/1694 (2013.01); A61K 9/5089 (2013.01);
Abstract
The present invention is a method for preparing micron-sized or submicron-sized drug particles comprising contacting a solution comprising a poorly water soluble drug substance and at least one freezable organic solvent with a cold surface so as to freeze the solution; and removing the organic solvent. The resulting particles are also disclosed, as are several embodiments of an apparatus that can be used in performing the method of the present invention.