Granted Patent
Utility
US 5,990,152 · App. 08/800,239
Dosage forms containing thioctic acid or solid salts of thioctic acid with improved release and bioavailability
Inventors:
Helmut Hettche, Matthias Rischer, Werner Sarlikiotis
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Feb 12, 1997
Inventors
Helmut Hettche
Matthias Rischer
Werner Sarlikiotis
Assignee (at issue)
Asta Medica Aktiengesellschaft
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.