Granted Patent
Utility
US 5,952,299 · App. 08/913,365
Cyclic peptide nuclei and derivatives thereof
Inventors:
Michizane Hashimoto, Nobuharu Shigematsu, Seiji Hashimoto
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Sep 29, 1997
Inventors
Michizane Hashimoto
Nobuharu Shigematsu
Seiji Hashimoto
Assignee (at issue)
Fujisawa Pharmaceutical Co., 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.