Granted Patent
Utility
US 4,181,653 · App. 05/839,530
Disperse dyes from 2-halo-4,6-dinitroaniline and 2(2'-alkoxy-5'-alkanoylaminoanilino)alkanes
Inventor:
Gary T. Clark
Patented Case
View Patent ↗
Granted: Jan 1, 1980
Filed: Oct 5, 1977
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.