Granted Patent
Utility
US 5,397,699 · App. 08/206,242
Method for stabilizing an alkanol amine buffer used in optical determinations of enzyme activity
Inventors:
James E. Davis, Hon-Peng P. Lau, Neel Neelkantan
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Mar 4, 1994
Inventors
James E. Davis
Hon-Peng P. Lau
Neel Neelkantan
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.