CPC Subgroup
C09K 11/617 Full Title
Luminescent materials, e.g. electroluminescent or chemiluminescent > containing inorganic luminescent materials > containing fluorine, chlorine, bromine, iodine or unspecified halogen elements
C09K 11/617 Luminescent materials, e.g. electroluminescent or chemiluminescent > containing inorganic luminescent materials > containing fluorine, chlorine, bromine, iodine or unspecified halogen elements