Granted Patent
Utility
US 5,760,187 · App. 08/802,080
Purification process of a human growth hormone
Inventors:
Yuji Nagatomi, Kunizo Mori, Hideki Kobayashi, Nobumi Kusuhara
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Feb 19, 1997
Inventors
Yuji Nagatomi
Kunizo Mori
Hideki Kobayashi
Nobumi Kusuhara
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.