Granted Patent
Utility
US 5,300,256 · App. 07/956,532
Solid-form additive systems dispersible in aqueous media
Inventor:
Mahendra K. Sharma
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Oct 5, 1992
Inventor
Mahendra K. Sharma
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.