Granted Patent
Utility
US 6,022,977 · App. 09/047,555
Dynamic resolution of isoxazoline thioesters to isoxazoline carboxylic acids
Inventors:
Lin Zhang, Luigi Anzalone, Jaan A. Pesti, Jianguo Yin
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Mar 25, 1998
Inventors
Lin Zhang
Luigi Anzalone
Jaan A. Pesti
Jianguo Yin
Assignee (at issue)
Dupont Pharmaceuticals
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.