Granted Patent
Utility
US 4,528,406 · App. 06/556,505
Production of bis(alpha-alkylbenzyl)ethers
Inventors:
Mary T. Arnold, George R. Siciliano
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Nov 30, 1983
Inventors
Mary T. Arnold
George R. Siciliano
Assignee (at issue)
Atlantic Richfield 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.