Granted Patent
Utility
US 4,501,888 · App. 06/573,789
Process for producing esters of carbohydrate materials
Inventor:
James Schmidt
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Jan 24, 1984
Inventor
James Schmidt
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.