Granted Patent
Utility
US 5,264,435 · App. 07/888,726
Pyrimidines and their pharmaceutical acceptable salts, and their use as medicines
Inventors:
Akira Mizuchi, Kazutoshi Horikomi, Tadayuki Sasaki, Akira Awaya, Ikuo Tomino, Noriaki Kihara, Takumi Kitahara
Patented Case
View Patent ↗
Granted: Nov 23, 1993
Filed: May 26, 1992
Inventors
Akira Mizuchi
Kazutoshi Horikomi
Tadayuki Sasaki
Akira Awaya
Ikuo Tomino
Noriaki Kihara
Takumi Kitahara
Assignee (at issue)
Mitsui Petrochemical 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.