Granted Patent
Utility
US 5,705,194 · App. 08/727,863
Pharmaceutical compositions containing polyalkylene block copolymers which gel at physiological temperature
Inventors:
Sui-Ming Wong, Eugene R. Cooper, Shuqian Xu
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Oct 8, 1996
Inventors
Sui-Ming Wong
Eugene R. Cooper
Shuqian Xu
Assignee (at issue)
Nano Systems L.L.C.
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.