Granted Patent
Utility
US 5,146,012 · App. 07/723,097
Manufacture of neopentyl glycol (III)
Inventors:
Jeffrey S. Salek, Joseph Pugach, Carole L. Elias, Leonard A. Cullo
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Jun 28, 1991
Inventors
Jeffrey S. Salek
Joseph Pugach
Carole L. Elias
Leonard A. Cullo
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.