Granted Patent
Utility
US 6,172,222 · App. 09/327,065
Diaminopyrazoles
Inventors:
Adam Matthew Gilbert, Zhen Chen
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Jun 7, 1999
Inventors
Adam Matthew Gilbert
Zhen Chen
Assignee (at issue)
Amerimas Home Products, 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.