Granted Patent
Utility
US 5,650,234 · App. 08/304,656
Electrophilic polyethylene oxides for the modification of polysaccharides, polypeptides (proteins) and surfaces
Inventors:
Eric Kurt Dolence, Chen-Ze Hu, Ray Tsang, Clifton G. Sanders, Shigemasa Osaki
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Sep 9, 1994
Inventors
Eric Kurt Dolence
Chen-Ze Hu
Ray Tsang
Clifton G. Sanders
Shigemasa Osaki
Assignee (at issue)
Surface Engineering Technologies, Division of InnerDyne, 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.