Particulate fluorescent material of (Y.sub.1-X" Eu.sub.x)203 an
Particulate fluorescent substance
Particulate inorganic oxide treated with cyclic polysiloxane
Pentaerythritol slurries
Perfluoro(alkoxycycloalkane)carbonyl fluoride compositions and t
Perparation of improved ZnS:Mn phosphors
Persistent phosphor
Phosphate base laser glasses
Phosphate fluorescent substance
Phosphate glass for laser use
Phosphate glass for use in the manufacture of ultra-short...
Phosphate glass useful in high power lasers
Phosphate glass useful in high power lasers
Phosphate neodymium glass for laser use
Phosphate treated silicate phosphor
Phosphor
Phosphor
Phosphor
Phosphor
Phosphor