Granted Patent
Utility
US 6,274,739 · App. 09/581,488
Method for producing chlorobenzoxazolene
Inventors:
Hans-Joachim Ressel, Mohammed Aslam, Jean-Pierre Demoute, Gunter Schlegel, Wolfgang Welter
Patented Case
View Patent ↗
Granted: Aug 14, 2001
Filed: Jun 14, 2000
Inventors
Hans-Joachim Ressel
Mohammed Aslam
Jean-Pierre Demoute
Gunter Schlegel
Wolfgang Welter
Assignee (at issue)
Aventis CropScience GmbH
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.