Granted Patent
Utility
US 4,775,743 · App. 06/905,815
Peptide derivatives
Inventors:
Tsutomu Mimura, Yasuhiro Kohama, Chikara Fukaya, Masahiro Watanabe, Kazumasa Yokoyama
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Sep 10, 1986
Inventors
Tsutomu Mimura
Yasuhiro Kohama
Chikara Fukaya
Masahiro Watanabe
Kazumasa Yokoyama
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.