Patents

Clariant patents

November 14, 2008

Clariant patents
GREEN PIGMENT PREPARATIONS
Patent No. U.S. 7,318,860 B2
Clariant Produkte has received a patent for a pigment formulation comprising C.I. Pigment Yellow 214 and at least one copper phthalocyanine pigment selected from the group consisting of C.I. Pigment Blue 15:3, C.I. Pigment Blue 15:1 and a mixture thereof, the ratio of C.I. Pigment Yellow 214 to the at least one copper phthalocyanine pigment being in the range from 1:20 to 20:1.
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