Granted Patent
Utility
US 4,243,762 · App. 06/016,217
Alkanolamine processing aid for ethylene-vinyl ester interpolymer particles present in aqueous dispersions thereof
Inventor:
Dorothee M. McClain
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Feb 28, 1979
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.