Granted Patent
Utility
US 5,342,958 · App. 08/104,645
Organic compounds derived from urea or thiourea
Inventors:
Kobus Wellinga, Rudolf Mulder
Patented Case
View Patent ↗
Granted: Aug 30, 1994
Filed: Aug 11, 1993
Inventors
Kobus Wellinga
Rudolf Mulder
Assignee (at issue)
Solvay Duphar International Research B.V.
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.