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US 7,387,670 B2Granted
Pigment preparations based on phthalocyanine pigments
AssigneeClariant Produkte (Deutschland) GmbH
InventorsJoachim Weber, Manfred Opravil, Magali Meder, Hans-Tobias Macholdt
Life of this patent
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Abstract
A pigment preparation comprising at least one copper phthalocyanine pigment from the group of C.I. Pigment Blue 15, 15:0, 15:1,15:2, 15:3, 15:4, and 15:6, and at least one pigment dispersant of the formula (I), in which n is a number 1, 2, 3 or 4.
Claims10
A pigment preparation comprising at least one copper phthalocyanine pigment selected from the group consisting of C.I. Pigment Blue 15, 15:0, 15:1, 15:2, 15:3, 15:4, and 15:6, and at least one pigment dispersant of the formula (I),
- in which n is a number 1, 2, 3 or 4.
Dependencies are inferred from the claim text.