Granted Patent
Utility
US 4,287,329 · App. 06/132,946
Emulsion process for preparing elastomeric vinyl acetate-ethylene copolymer and high Mooney viscosity low gel content elastomer obtained therefrom
Inventor:
Manfred Heimberg
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Mar 24, 1980
Inventor
Manfred Heimberg
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.