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US 6,471,764 B1Granted
Treatment of high performance pigments with etheramine dispersing salts
AssigneeSun Chemical Corporation
InventorsGeorge H. Robertson, Kevin A. Arthur, Russell J. Schwartz, Stanislav Vilner, George McLaren
Life of this patent
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Abstract
An etheramine pigment dispersing salt for enhancing the dispersion performance of an organic pigment composition adding to 100 parts by weight of pigment about 1 to 40 parts by weight of an etheramine pigment dispersing salt.
Claims16
An etheramine pigment dispersing salt of the formula:
- wherein A is the residue of an organic pigment;
- x and y are each integers from 0 to 100 and x+y≧3;
- and n is a number between 1 and 4.
A method for enhancing the performance of an organic pigment composition comprising adding to 100 parts of said organic pigment about 1 to 30 parts of an etheramine dispersing salt of the formula:
- wherein A is the residue of an organic pigment;
- x and y are each integers from 0 to 50;
- and n is a number between 1 and 4.
Dependencies are inferred from the claim text.