Granted Patent
Utility
US 4,465,521 · App. 06/445,113
Diacetone fructose hydrolysis with water-insoluble catalysts
Inventors:
Martin Seidman, Carl W. Niekamp
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Nov 29, 1982
Inventors
Martin Seidman
Carl W. Niekamp
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.