Granted Patent
Utility
US 6,627,718 · App. 10/225,327
Polymerizable compositions for making optical lens with high refractive index and high abbe number, and resulting lens
Inventors:
Peiqi Jiang, Gilles Widawski, Gilbert Menduni
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Aug 21, 2002
Inventors
Peiqi Jiang
Gilles Widawski
Gilbert Menduni
Assignee (at issue)
Essilor International (Compagnie Generale d'Optique)
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.