Granted Patent
Utility
US 5,144,088 · App. 07/691,927
Manufacture of neopentyl glycol (I)
Inventors:
Jeffrey S. Salek, Joseph Pugach
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Apr 26, 1991
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.