Granted Patent
Utility
US 4,281,998 · App. 06/117,918
Solvent-resistant alkylated melamine cross-linked cellulose ester articles
Inventor:
Cephas H. Sloan
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Feb 4, 1980
Inventor
Cephas H. Sloan
Assignee (at issue)
EASTMAN KODAK 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.