Granted Patent
Utility
US 4,690,733 · App. 06/794,845
Process for the separation of hydrocarbons from a mixed feedstock
Inventors:
Paulino Forte, Jose A. Vidueira
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Nov 4, 1985
Inventors
Paulino Forte
Jose A. Vidueira
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.