Granted Patent
Utility
US 6,461,602 · App. 09/842,976
Hydrolytically degradable carbamate derivatives of poly(ethylene glycol)
Inventors:
Michael D. Bentley, Xuan Zhao
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Apr 26, 2001
Inventors
Michael D. Bentley
Xuan Zhao
Assignee (at issue)
Shearwater 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.