Granted Patent
Utility
US 4,170,482 · App. 05/940,501
Jet printing ink composition containing an acetylenic compound and a lactone
Inventor:
Ishwar R. Mansukhani
Patented Case
View Patent ↗
Granted: Oct 9, 1979
Filed: Sep 8, 1978
Inventor
Ishwar R. Mansukhani
Assignee (at issue)
M&T Chemicals, Inc.
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.