Granted Patent
Utility
US 4,459,426 · App. 06/447,484
Liquid-phase alkylation and transalkylation process
Inventors:
Texas V. Inwood, Carlyle G. Wight, John W. Ward
Patented Case
View Patent ↗
Granted: Jul 10, 1984
Filed: Dec 7, 1982
Inventors
Texas V. Inwood
Carlyle G. Wight
John W. Ward
Assignee (at issue)
Union Oil Company of California
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.