Granted Patent
Utility
US 5,763,686 · App. 08/766,092
Method for preparing 1,1,1-tris(4-hydroxyphenyl)ethane
Inventors:
Patrick Joseph McCloskey, Eric James Pressman
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Dec 16, 1996
Inventors
Patrick Joseph McCloskey
Eric James Pressman
Assignee (at issue)
General Electric 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.