Granted Patent
Utility
US 5,282,957 · App. 07/932,126
Methods for inhibiting polymerization of hydrocarbons utilizing a hydroxyalkylhydroxylamine
Inventors:
Bruce E. Wright, Carl E. Weaver, Dwight K. Reid
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: Aug 19, 1992
Inventors
Bruce E. Wright
Carl E. Weaver
Dwight K. Reid
Assignee (at issue)
Betz Laboratories, Inc.
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.