Granted Patent
Utility
US 5,129,947 · App. 07/513,748
Aqueous printing inks having improved freeze-thaw properties
Inventors:
Mahendra K. Sharma, Hieu Phan
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Apr 24, 1990
Inventors
Mahendra K. Sharma
Hieu Phan
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.