Granted Patent
Utility
US 4,966,732 · App. 07/073,584
Process for the production of 1,2-dithiolan-3-pentanoic acid (thioctic acid) and 8-hydrocarbylthio-6-oxooctanoic acid
Inventors:
Guenes Giray, Klaus Huthmacher, Axel Kleemann, Thomas Lied
Patented Case
View Patent ↗
Granted: Oct 30, 1990
Filed: Jul 15, 1987
Inventors
Guenes Giray
Klaus Huthmacher
Axel Kleemann
Thomas Lied
Assignee (at issue)
Degussa AG
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.