Granted Patent
Utility
US 6,190,702 · App. 08/849,172
Sustained-released material prepared by dispersing a lyophilized polypeptide in an oil phase
Inventors:
Shigeyuki Takada, Tomofumi Kurokawa, Susumu Iwasa
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: May 30, 1997
Inventors
Shigeyuki Takada
Tomofumi Kurokawa
Susumu Iwasa
Assignee (at issue)
Takeda Chemical Industries Ltd.
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.