Granted Patent
Utility
US 4,433,184 · App. 06/258,225
Multi-stage catalytic conversion of aldoses to alditols
Inventors:
Derk T. A. Huibers, James C. Chao, Rajni C. Shah
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Apr 27, 1981
Inventors
Derk T. A. Huibers
James C. Chao
Rajni C. Shah
Assignee (at issue)
HRI
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.