Granted Patent
Utility
US 5,594,072 · App. 08/510,022
Liquid star polymers having terminal hydroxyl groups
Inventors:
Dale L. Handlin, Jr., Carl L. Willis, Daniel E. Goodwin, David J. St. Clair
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Aug 1, 1995
Inventors
Dale L. Handlin, Jr.
Carl L. Willis
Daniel E. Goodwin
David J. St. Clair
Assignee (at issue)
SHELL OIL 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.