Granted Patent
Utility
US 5,380,816 · App. 07/695,048
Linear polyester diols based on isophthalic acid and 2-methyl-1,3-propanediol for thermoset coating compositions
Inventor:
Carl J. Sullivan
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: May 2, 1991
Inventor
Carl J. Sullivan
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.