Granted Patent
Utility
US 5,563,301 · App. 08/345,663
Sequential reaction of TBA and isobutylene with methanol
Inventors:
Kyle Preston, Lawrence E. Tillotson, Rei-Yu J. Hwan
Patented Case
View Patent ↗
Granted: Oct 8, 1996
Filed: Nov 28, 1994
Inventors
Kyle Preston
Lawrence E. Tillotson
Rei-Yu J. Hwan
Assignee (at issue)
Texaco Development Corporation
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.