Granted Patent
Utility
US 5,079,155 · App. 07/413,867
Fluorocarbon polymer support for chromatographic separations, diagnostic assays and enzyme immobilization
Inventors:
Geoffrey B. Cox, Robert K. Kobos
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Sep 28, 1989
Inventors
Geoffrey B. Cox
Robert K. Kobos
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.