Granted Patent
Utility
US 5,185,478 · App. 07/868,897
Manufacture of neopentyl glycol (IIA)
Inventors:
Jeffrey S. Salek, Joseph Pugach
Patented Case
View Patent ↗
Granted: Feb 9, 1993
Filed: Apr 16, 1992
Inventors
Jeffrey S. Salek
Joseph Pugach
Assignee (at issue)
Aristech Chemical 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.