Granted Patent
Utility
US 4,599,343 · App. 06/670,969
Perfluoroindolizines and emulsions thereof useful as blood substitutes
Inventors:
Kazumasa Yokoyama, Chikara Fukaya, Yoshio Tsuda, Taizo Ono, Yoshio Arakawa, Tadakazu Suyama
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Nov 13, 1984
Inventors
Kazumasa Yokoyama
Chikara Fukaya
Yoshio Tsuda
Taizo Ono
Yoshio Arakawa
Tadakazu Suyama
Assignee (at issue)
Green Cross Corporation
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.