Granted Patent
Utility
US 4,326,072 · App. 06/165,210
Ruthenium catalyzed hydrogenation of D-glucuronic acid
Inventors:
Walter M. Kruse, Makram H. Meshreki
Patented Case
View Patent ↗
Granted: Apr 20, 1982
Filed: Jul 1, 1980
Inventors
Walter M. Kruse
Makram H. Meshreki
Assignee (at issue)
ICI Americas, 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.