Granted Patent
Utility
US 6,737,481 · App. 10/459,829
Ester-modified dicarboxylate polymers
Inventors:
Joseph V. Kurian, Yuanfeng Liang
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Jun 10, 2003
Inventors
Joseph V. Kurian
Yuanfeng Liang
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.