Granted Patent
Utility
US 4,278,599 · App. 06/086,115
Mono azo dyes from (2-alkoxy-5-alkanoylaminoanilino)alkoxy or aryloxy alkanes
Inventor:
Gary T. Clark
Patented Case
View Patent ↗
Granted: Jul 14, 1981
Filed: Oct 18, 1979
Inventor
Gary T. Clark
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.