Granted Patent
Utility
US 4,820,803 · App. 06/802,891
Process for recovering ethylene-vinyl acetate copolymers from an aqueous dispersion
Inventor:
Dorothee M. McClain
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Nov 29, 1985
Inventor
Dorothee M. McClain
Assignee (at issue)
National Distillers and Chemical 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.