Novel oriented polyester film composites
Novel thermosetting resinous compositions
Novel transparent polyurethane polyureas for lamination of glazi
Novel transparent polyurethane polyureas for lamination of glazi
One step thromboresistant lubricious coating
Ophthalmic lens made of organic glass with a shockproof intermed
Optical article and method
Optical element having a water repellant coating constructed...
Optical elements and method of manufacture
Optical film
Optical film
Optical filter
Optical filter
Optical filter
Optical laminate
Optical lenses having a scratch-resistant coating
Optical low pass filter
Optical recording medium
Optical recording medium
Optical recording medium