Granted Patent
Utility
US 6,815,565 · App. 10/704,002
Method for preparing hydroquinones and dihydroxybiphenyl compounds from mixtures of bromophenols and benzoquinones
Inventors:
Ryan Christopher Mills, Eric James Pressman, Timothy Leigh Chuck, John Yaw Ofori
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Nov 7, 2003
Inventors
Ryan Christopher Mills
Eric James Pressman
Timothy Leigh Chuck
John Yaw Ofori
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.