Optical filter
Optical lenses, haptics therefor and optical lens bodies having
Optical plastics material using methacrylic resin and fluorocopo
Optical polycarbonate compositions
Optical polymer composition
Optical resin material having improved birefringence
Optical resin materials with distributed refractive index
Optical terpolymer of polyisocyanate, polythiol and polyene mono
Optical terpolymer of polyisocyanate, polythiol and polyene...
Optical transmission medium and process for producing the same b
Optically active (meth)acrylamides, a process for their preparat
Optically active amino acid sulphoxide and amino acid sulphone d
Optically active block polyester copolymer and method for produc
Optically active phosphine derivative having at least two vinyl
Optically clear reinforced organosiloxane compositions
Optically isotropic blends of styrene/acrylonitrile and methyl m
Optically isotropic devices
Optically-active, amphiphilic, water-soluble free-radical additi
Oral hygiene compositions and polymers active therein
Organic amide-modified polysilazane ceramic precursors