US PATENT SUBCLASS 252 / 301.33
.~ With inorganic luminescent material

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

301.16  DF  ORGANIC LUMINESCENT MATERIAL CONTAINING COMPOSITIONS {6}
301.33.~ With inorganic luminescent material

DEFINITION

Classification: 252/301.33

(under subclass 301.16) Compositions which contain an inorganic material which is luminescent in addition to the organic luminescent material.