Granted Patent
Utility
US 6,541,543 · App. 09/993,088
Poly (ethylene glycol) derivatives with proximal reactive groups
Inventors:
J. Milton Harris, Antoni Kozlowski
Patented Case
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Granted: Apr 1, 2003
Filed: Nov 5, 2001
Inventors
J. Milton Harris
Antoni Kozlowski
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.