Granted Patent
Utility
US 6,784,310 · App. 10/019,318
Methods for crystallization of N-(1(s)-ethoxycarbonyl-3-phenylpropyl)-L-alanine N-carboxyanhydride
Inventor:
Masafumi Fukae
Patented Case
View Patent ↗
Granted: Aug 31, 2004
Filed: Apr 24, 2002
Inventor
Masafumi Fukae
Assignee (at issue)
KANEKA 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.