Granted Patent
Utility
US 4,785,026 · App. 07/124,665
Polymer polyols with high solids content
Inventors:
Ernest L. Yeakey, Michael Cuscurida
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Nov 24, 1987
Inventors
Ernest L. Yeakey
Michael Cuscurida
Assignee (at issue)
Arco Chemical 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.