Granted Patent
Utility
US 4,677,201 · App. 06/830,823
Titanium-glycol useful as crosslinking agents for polygalactomannans
Inventor:
Michael E. Morgan
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Feb 19, 1986
Inventor
Michael E. Morgan
Assignee (at issue)
Hi-Tek Polymers, Inc.
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.