Granted Patent
Utility
US 4,046,930 · App. 05/702,471
Treatment of paper and textile fabrics with emulsified epoxy-silicones
Inventors:
Gordon C. Johnson, Richard B. Metzler
Patented Case
View Patent ↗
Granted: Sep 6, 1977
Filed: Jul 6, 1976
Inventors
Gordon C. Johnson
Richard B. Metzler
Assignee (at issue)
Union Carbide 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.