Granted Patent
Utility
US 4,400,558 · App. 06/255,011
Recovery of 2-phenylethanol
Inventors:
Margaret Nemet-Mavrodin, John F. White
Patented Case
View Patent ↗
Granted: Aug 23, 1983
Filed: Apr 17, 1981
Inventors
Margaret Nemet-Mavrodin
John F. White
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.