Granted Patent
Utility
US 6,433,068 · App. 09/007,838
Hydrocarbon gels as suspending and dispersing agents and products
Inventors:
David Scott Morrison, Lin Lu, Robert Hutton Ray
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jan 15, 1998
Inventors
David Scott Morrison
Lin Lu
Robert Hutton Ray
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.