Granted Patent
Utility
US 5,489,714 · App. 08/447,300
Method of synthesizing 2,6-dinitro benzyl compounds
Inventors:
Charles F. Kahle, II, Raphael O. Kollah, Gregory J. McCollum
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: May 22, 1995
Inventors
Charles F. Kahle, II
Raphael O. Kollah
Gregory J. McCollum
Assignee (at issue)
PPG Industries, 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.