Granted Patent
Utility
US 5,064,865 · App. 07/630,471
Crystalline aluminosilicate compositions, the preparation thereof and their use in the conversion of synthesis gas to low molecular weight hydrocarbons
Inventor:
James A. Hinnenkamp
Patented Case
View Patent ↗
Granted: Nov 12, 1991
Filed: Dec 19, 1990
Inventor
James A. Hinnenkamp
Assignee (at issue)
Quantum Chemical 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.