Granted Patent
Utility
US 5,008,267 · App. 07/425,730
Pyrimidinedione compounds, method of producing the same and antiarrythmic agents containing the same
Inventors:
Tsutomu Katakami, Tatsuro Yokoyama, Michihiko Miyamoto, Haruki Mori, Nobuya Kawauchi, Tadahito Nobori, Kunio Sannohe, Joji Kamiya, Masaaki Ishii, Kanji Yoshihara
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Oct 24, 1989
Inventors
Tsutomu Katakami
Tatsuro Yokoyama
Michihiko Miyamoto
Haruki Mori
Nobuya Kawauchi
Tadahito Nobori
Kunio Sannohe
Joji Kamiya
Masaaki Ishii
Kanji Yoshihara
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.