Granted Patent
Utility
US 6,031,035 · App. 09/023,634
Process for making and using bisaryl diphosphates
Inventors:
David W. Bartley, Timothy J. Lawlor
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Feb 13, 1998
Inventors
David W. Bartley
Timothy J. Lawlor
Assignee (at issue)
Great Lakes Chemical Corp.
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.