Granted Patent
Utility
US 5,705,324 · App. 08/615,359
4-Substituted isoxazole compounds as co-developers for black-and-white photothermographic and thermographic elements
Inventor:
Thomas James Murray
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Mar 14, 1996
Inventor
Thomas James Murray
Assignee (at issue)
Minnesota Mining and Manufacturing 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.