Granted Patent
Utility
US 5,455,264 · App. 08/134,695
RS-thioctic acid with novel morphology
Inventors:
Thomas Beisswenger, Horst Bethge, Joachim Goede, Frank Hubner, Klaus Huthmacher, Herbert Klenk, Roland Moller
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Oct 12, 1993
Inventors
Thomas Beisswenger
Horst Bethge
Joachim Goede
Frank Hubner
Klaus Huthmacher
Herbert Klenk
Roland Moller
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.