Granted Patent
Utility
US 4,820,703 · App. 07/121,834
PAF-antagonistic thienotriazolodiazepine compounds and pharmaceutical uses thereof
Inventors:
Tetsuya Tahara, Minoru Moriwaki, Masao Abe, Shuji Yuasa
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Nov 17, 1987
Inventors
Tetsuya Tahara
Minoru Moriwaki
Masao Abe
Shuji Yuasa
Assignee (at issue)
Yoshitomi Pharmaceutical 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.