Granted Patent
Utility
US 4,764,618 · App. 07/065,156
Arginine derivatives and pharmaceutically acceptable acid addition salts thereof
Inventors:
Ryoji Kikumoto, Yoshikuni Tamao, Shinji Tonomura, Akira Maruyama, Shosuke Okamoto, Akiko Okunomiya
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Jun 19, 1987
Inventors
Ryoji Kikumoto
Yoshikuni Tamao
Shinji Tonomura
Akira Maruyama
Shosuke Okamoto
Akiko Okunomiya
Assignee (at issue)
Mitsubishi 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.