Granted Patent
Utility
US 4,670,420 · App. 06/118,096
N.sup.2 -dansyl-L-arginine derivatives, and the pharmaceutically acceptable acid addition salts thereof
Inventors:
Shosuke Okamoto, Ryoji Kikumoto, Yoshikuni Tamao, Shinji Tonomura, Kazuo Ohkubo
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Feb 4, 1980
Inventors
Shosuke Okamoto
Ryoji Kikumoto
Yoshikuni Tamao
Shinji Tonomura
Kazuo Ohkubo
Assignees (at issue)
Mitsubishi Chemical Industries, Ltd.
Shosuke Okamoto
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.