Granted Patent
Utility
US 5,786,426 · App. 08/892,550
Biocompatible polyisoprene-polyurethane interpenetrating polymer network compositions and medical devices made therefrom
Inventors:
Leslie H. Sperling, Clarence J. Murphy, Vinay K. Mishra
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Jul 14, 1997
Inventors
Leslie H. Sperling
Clarence J. Murphy
Vinay K. Mishra
Assignee (at issue)
Schneider (USA) 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.