Granted Patent
Utility
US 5,338,886 · App. 08/061,468
Process for preparation of aromatic thiols
Inventors:
Mark Rule, James T. Tanner
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: May 17, 1993
Inventors
Mark Rule
James T. Tanner
Assignee (at issue)
Eastman Chemical Company
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.