Granted Patent
Utility
US 4,886,819 · App. 07/087,513
Dihydropyridine derivatives and pharmaceutical composition thereof
Inventors:
Atsuyuki Ashimori, Taizo Ono, Yoshihisa Inoue, Chikara Fukaya, Kazumasa Yokoyama
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Aug 20, 1987
Inventors
Atsuyuki Ashimori
Taizo Ono
Yoshihisa Inoue
Chikara Fukaya
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.