Granted Patent
Utility
US 5,186,746 · App. 07/819,637
High performance sams pigments of low oil, absorption, preparation, properties and end-use applications
Inventor:
Gary M. Freeman
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Jan 10, 1992
Inventor
Gary M. Freeman
Assignee (at issue)
J.M. Huber Corporation
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.