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:
Oct. 07, 2003
Filed:
Jun. 09, 2000
Applicant:
Inventors:
Robert E. Sievers, Boulder, CO (US);
Scott P. Sellers, Burlingame, CA (US);
John F. Carpenter, Littleton, CO (US);
Assignee:
The Regents of the University of Colorado, Boulder, CO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 5/100 ; A61K 9/16 ; A61K 9/50 ; A61K 9/00 ; A61B 5/055 ;
U.S. Cl.
CPC ...
A61K 5/100 ; A61K 9/16 ; A61K 9/50 ; A61K 9/00 ; A61B 5/055 ;
Abstract
A method of making fine dry particles of substances is provided by forming a composition comprising a substance of interest and a supercritical or near critical fluid; rapidly reducing the pressure on said composition, whereby droplets are formed; and passing said droplets through a flow of heated gas. The process does not require any organic solvent.