Granted Patent
Utility
US 4,970,078 · App. 07/356,852
Crosslinked carboxymethyguar tablet disintegrant
Inventor:
Jurij Holinej
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: May 25, 1989
Inventor
Jurij Holinej
Assignee (at issue)
Aqualon 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.