Granted Patent
Utility
US 4,452,978 · App. 06/443,078
Granular starch ethers having reduced pasting temperatures
Inventor:
James E. Eastman
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Nov 19, 1982
Inventor
James E. Eastman
Assignee (at issue)
A.E. Staley Manufacturing 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.