Granted Patent
Utility
US 5,084,545 · App. 07/379,378
Resin having a large refractive index, lenses comprising the resin and process for preparing the lens
Inventors:
Teruyuki Nagata, Koju Okazaki, Tohru Miura
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Jul 13, 1989
Inventors
Teruyuki Nagata
Koju Okazaki
Tohru Miura
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.