Patent classifications
C
CHEMISTRY; METALLURGY
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C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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C09K
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
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2211/00
Chemical nature of organic luminescent or tenebrescent compounds
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C09K2211/10
Non-macromolecular compounds
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C09K2211/1018
Heterocyclic compounds
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C09K2211/1025
characterised by ligands
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C09K2211/1029
containing one nitrogen atom as the heteroatom
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C09K2211/104
with other heteroatoms
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