Granted Patent
Utility
US 5,334,638 · App. 07/823,507
Aqueous dispersion useful in coatings containing hydrolyzed cellulose ester and acyrlic resin
Inventors:
Chung-Ming Kuo, Larry Gerald Curtis, Paul Lee Lucas
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Jan 21, 1992
Inventors
Chung-Ming Kuo
Larry Gerald Curtis
Paul Lee Lucas
Assignee (at issue)
Eastman Chemical Company
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.