Granted Patent
Utility
US 6,455,656 · App. 09/793,185
Process for preparing hydrogenated aromatic polymers
Inventors:
Jerry L. Hahnfeld, Thomas H. Newman, Avani M. Patel
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Feb 26, 2001
Inventors
Jerry L. Hahnfeld
Thomas H. Newman
Avani M. Patel
Assignee (at issue)
Dow Global Technologies LLC
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.