Granted Patent
Utility
US 4,440,752 · App. 06/355,735
Antibiotics Y-16482 .alpha. and/or Y-16482 .beta., a process for production thereof, and a pharmaceutical composition containing either or both of them
Inventors:
Tomohiko Munakata, Katsuyoshi Isagai, Yoshifumi Ikeda, Junichi Sakai, Hideo Matsuki
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Feb 19, 1982
Inventors
Tomohiko Munakata
Katsuyoshi Isagai
Yoshifumi Ikeda
Junichi Sakai
Hideo Matsuki
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.