Naphthopyrans and phenanthropyrans annelated in C5-C6 with a...

Naphthopyrans annelated in C5-C6 with a lactam-type C6 ring...

Naphthopyrans annelated in C5-C6 with a...

Naphthopyrans annelated in C5-C6 with an indene- or...

Naphthopyrans annelated in C6-C7, their preparation and...

Naphthopyrans having a perfluoroalkyl substituent in...

Naphthopyrans with a heterocycle in the 5, 6-position,...

Neutral coloring photochromic 2H-naphtho[1,2-b]...

Non-linear optical device material composition

Nonlinear optical material with nano-sized dendrimer structure

One-component optical resin composition

Ophthalmic filter materials

Optical device and electrolytic solution

Optical devices utilizing photochromic compounds

Optical resin composition

Optical resin composition comprising thiol-ene prepolymer

Organic photochromic contact lens compositions

Organic photochromic materials

Organic photochromic pigment particulates

Photochromatic and thermochromatic compounds and their applicati