Granted Patent
Utility
US 5,434,060 · App. 08/200,361
Method for producing .epsilon.-poly-L-lysine
Inventors:
Jun Hiraki, Hiroshi Morita
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Feb 23, 1994
Inventors
Jun Hiraki
Hiroshi Morita
Assignee (at issue)
Chisso 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.