Granted Patent
Utility
US 6,710,125 · App. 10/068,371
Method for the preparation of 1-benzotriazolyl carbonate esters of poly(ethylene glycol)
Inventor:
Antoni Kozlowski
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Feb 6, 2002
Inventor
Antoni Kozlowski
Assignee (at issue)
Nektar Therapeutics AL, 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.