Granted Patent
Utility
US 4,490,568 · App. 06/538,288
Conversion of certain hydrocarbons using calcined TEA-silicate catalyst
Inventors:
Daniel C. Garska, Edith M. Flanigen
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Oct 3, 1983
Inventors
Daniel C. Garska
Edith M. Flanigen
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.