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:
May. 21, 1996
Filed:
Jan. 12, 1994
Applicant:
Inventors:
Joseph A Bruno, Blue Bell, PA (US);
Brian D Doty, Phoenixville, PA (US);
Evan Gustow, Ardmore, PA (US);
Kathleen J Illig, Phoenixville, PA (US);
Nats Rajagopalan, Phoenixville, PA (US);
Pramod Sarpotdar, Malvern, PA (US);
Assignee:
Nano Systems L.L.C., Collegeville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ; B02C / ;
U.S. Cl.
CPC ...
241-5 ; 241 21 ; 241 22 ; 241170 ; 241184 ;
Abstract
A method of preparing particles of a drug substance or diagnostic imaging agent which comprises grinding the drug substance or imaging agent in the presence of grinding media comprising a polymeric resin. The method provides particles exhibiting reduced contamination.