Granted Patent
Utility
US 6,025,499 · App. 09/276,577
Process for the preparation of a nitropyrazole amide
Inventors:
Lutz Heuer, Nikolaus Muller, Guido Steffan
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Mar 25, 1999
Inventors
Lutz Heuer
Nikolaus Muller
Guido Steffan
Assignee (at issue)
Bayer Aktiengesellschaft
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.