Granted Patent
Utility
US 5,258,515 · App. 07/932,745
Aqueous solutions of sodium salts of trimercapto-s-triazine, their preparation and use
Inventors:
Klaus Hentschel, Marc Samson, Marcel Vingerhoets, Karl-Ludwig Weber
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Aug 25, 1992
Inventors
Klaus Hentschel
Marc Samson
Marcel Vingerhoets
Karl-Ludwig Weber
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.