Granted Patent
Utility
US 6,040,443 · App. 09/119,300
Process for the production of benzoxazinones
Inventors:
Georges Metzger, Dieter Reinehr, Serge Hauger
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jul 20, 1998
Inventors
Georges Metzger
Dieter Reinehr
Serge Hauger
Assignee (at issue)
Ciba Specialty Chemicals Corporation
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.