Granted Patent
Utility
US 6,083,582 · App. 09/122,250
Cellulose fiber based compositions and film and the process for their manufacture
Inventors:
Paul L. Chen, Rongsheng Ruan, Paul Bradley Addis, Li Xu, Lun Yi
Patented Case
View Patent ↗
Granted: Jul 4, 2000
Filed: Jul 24, 1998
Inventors
Paul L. Chen
Rongsheng Ruan
Paul Bradley Addis
Li Xu
Lun Yi
Assignee (at issue)
Regents of the University of Minnesota
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.