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:
Dec. 12, 2006
Filed:
Apr. 17, 2003
Detlef Grawe, Kleinromstedt, DE;
Hagen Gerecke, Jena, DE;
Peter Hoesel, Jena, DE;
Annette Eichardt, Buergel, DE;
Sabine Gliesing, Jena, DE;
Uwe Mueller, Jena, DE;
Detlef Grawe, Kleinromstedt, DE;
Hagen Gerecke, Jena, DE;
Peter Hoesel, Jena, DE;
Annette Eichardt, Buergel, DE;
Sabine Gliesing, Jena, DE;
Uwe Mueller, Jena, DE;
Schering AG, Berlin, DE;
Abstract
The process for making steroid crystals having a predetermined average particle size of from 1 μm to 25 μm and a maximum particle size that does not exceed a predetermined maximum value of 100 μm, includes subjecting a supersaturated solution containing a steroid to a wet milling by wet milling apparatus while crystallizing, in order to obtain a primary particle suspension. Crystals obtained according to this process and pharmaceutical preparations containing them are also described.