Granted Patent
Utility
US 5,462,867 · App. 08/190,732
Covalent attachment of macromolecules to polysulfones or polyethersulfones modified to contain functionalizable chain ends
Inventors:
A. R. M. Azad, Randal A. Goffe
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Feb 2, 1994
Inventors
A. R. M. Azad
Randal A. Goffe
Assignee (at issue)
Hemasure, Inc.
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.