C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
6/199
C09C 1/04 (2006.01) C01B 19/00 (2006.01)
Patent
CA 2028027
ABSTRACT MATERIAL A pigment comprises a material comprising crystalline zinc selenide or selenosulphide below 40% of whose zinc atoms and optionally some of whose selenium and sulphur atoms are substituted to lower the band gap energy but retain the essential crystal lattice of the zinc selenide or selenosulphide, the resulting lattice containing a greater percentage of zinc atoms than of sulphur atoms. The material wherein at least 0.1% of the zinc atoms are substituted is a new composition of matter.
Johnson Matthey Public Limited Company
Ridout & Maybee Llp
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