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:
Sep. 04, 2001
Filed:
Dec. 13, 1999
Applicant:
Inventors:
Werner Weitschies, Berlin, DE;
Dieter Heldmann, Berlin, DE;
Peter Hauff, Berlin, DE;
Thomas Fritzsch, Berlin, DE;
Harald Stahl, Berlin, DE;
Assignee:
Schering Aktiengesellschaft, Berlin, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 1/304 ; A61K 9/50 ; A61B 8/00 ;
U.S. Cl.
CPC ...
B01J 1/304 ; A61K 9/50 ; A61B 8/00 ;
Abstract
The invention relates to new microparticles containing active ingredients, which contain at least one gas or a gaseous phase in addition to the active ingredient(s), agents containing these particles (microparticulate systems), their use for ultrasound-controlled in vivo release of active ingredients, as well as a process for the production of particles and agents.