Granted Patent
Utility
US 5,514,797 · App. 08/479,003
Method for increasing purity of melamine
Inventors:
David Eric Best, Amit Gupta
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Jun 7, 1995
Inventors
David Eric Best
Amit Gupta
Assignee (at issue)
Melamine Chemicals, Inc.
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.