Granted Patent
Utility
US 4,899,005 · App. 07/122,849
Method for preparing cycloolefin copolymers with improved heat stability
Inventors:
Parley C. Lane, Jr., Linwood P. Tenney, George M. Benedikt, Paul T. Stricharczuk
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: Nov 19, 1987
Inventors
Parley C. Lane, Jr.
Linwood P. Tenney
George M. Benedikt
Paul T. Stricharczuk
Assignee (at issue)
B. F. Goodrich 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.