Granted Patent
Utility
US 4,226,597 · App. 06/053,579
Use of 2,4,4,4-tetrachlorobutyl acetate as a dye carrier for disperse dyes
Inventor:
Richard L. Doerr
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: Jun 29, 1979
Inventor
Richard L. Doerr
Assignee (at issue)
Olin Corporation
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.