Granted Patent
Utility
US 6,090,888 · App. 08/659,610
Cyclic olefin polymer blends exhibiting improved impact resistance and good transparency
Inventors:
Garo Khanarian, Thomas J. Dolce
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Jun 6, 1996
Inventors
Garo Khanarian
Thomas J. Dolce
Assignee (at issue)
Hoechst Celanese Corporation
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.