Granted Patent
Utility
US 6,071,863 · App. 08/860,758
Biodegradable polyalphaolefin fluids and formulations containing the fluids
Inventors:
Rainer Benda, John V. Bullen, Alan J. Plomer
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Mar 2, 1999
Inventors
Rainer Benda
John V. Bullen
Alan J. Plomer
Assignee (at issue)
BP Amoco 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.