Granted Patent
Utility
US 4,521,636 · App. 06/562,365
Preparation of bis(alpha-alkylbenzyl)ethers
Inventor:
Wayne A. Kriel
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Dec 16, 1983
Inventor
Wayne A. Kriel
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.