Granted Patent
Utility
US 4,267,090 · App. 06/005,070
Process for preparing vinyl acetate-ethylene copolymer latices
Inventors:
Manfred Heimberg, Louis J. Rekers
Patented Case
View Patent ↗
Granted: May 12, 1981
Filed: Jan 22, 1979
Inventors
Manfred Heimberg
Louis J. Rekers
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.