Granted Patent
Utility
US 4,883,665 · App. 07/232,539
Process for producing liposome composition
Inventors:
Koichiro Miyazima, Keiko Tomita, Masayuki Nakagaki
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Aug 15, 1988
Inventors
Koichiro Miyazima
Keiko Tomita
Masayuki Nakagaki
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.