Radiation detecting elements and method of detection
Radio-opaque polymeric compositions
Rare metal compounds and mixtures of these
Rare metal compounds and mixtures of these
Reactive UV absorber, UV-screen film-forming curable coating...
Red coloring hyperchromic 3H-naphtho[2,1-B]pyrans
Redox-switchable materials
Resin composition, optical filter and plasma display
Resonantly enhanced photosensitivity
Reverse synthetic methods for making organic non-linear...
Reversible thermochromic compositions
Reversible thermochromic optical limiter