Granted Patent
Utility
US 4,632,986 · App. 06/760,225
Process for purifying thiocarbamylsulfenamides
Inventors:
Enrique G. Reynes, John O. Leising
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Jul 29, 1985
Inventors
Enrique G. Reynes
John O. Leising
Assignee (at issue)
B. F. Goodrich 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.