Granted Patent
Utility
US 4,197,253 · App. 05/920,828
Catalytic process for producing polyhydric alcohols
Inventor:
Leonard Kaplan
Patented Case
View Patent ↗
Granted: Apr 8, 1980
Filed: Jun 30, 1978
Inventor
Leonard Kaplan
Assignee (at issue)
Union Carbide Corporation
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.