Granted Patent
Utility
US 4,490,553 · App. 06/182,553
Process for production of ethyl acrylate
Inventors:
Joseph D. Chase, William W. Wilkison, III
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Aug 29, 1980
Inventors
Joseph D. Chase
William W. Wilkison, III
Assignee (at issue)
Celanese GmbH
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.