Granted Patent
Utility
US 6,485,737 · App. 09/722,848
Biodegradable terephthalate polyester-poly (phosphonate) compositions, articles and methods of using the same
Inventors:
Hai-Quan Mao, Kam W. Leong, Zhong Zhao, Wenbin Dang, James P. English, David P. Nowotnik
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Nov 27, 2000
Inventors
Hai-Quan Mao
Kam W. Leong
Zhong Zhao
Wenbin Dang
James P. English
David P. Nowotnik
Assignee (at issue)
Guilford Pharmaceuticals, 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.