Universal paint tinting concentrates
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United States of America Patent
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-
Dec 3, 2002
Issued Date -
N/A
app pub date -
Aug 31, 2000
filing date -
Oct 13, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A universal tinting concentrate for both solvent- and water-based paints and coatings. The universal tinting concentrate is a composition which includes a colorant component, such as pigment, colorant, tinting agent and/or metal effect agent; a pigment dispersant including a moiety selected from the group consisting of an organic acid, anhydride, salt thereof, and derivative thereof, wherein the dispersant facilitates the dispersal of the colorant component in organic-based and aqueous-based vehicles; and a pH-neutralizing agent. In one embodiment of the invention, the pigment dispersant is represented by the following structure: ##STR1## where r and s are integers and r+s is 6 to 16; x and y are integers and x+y is 0 to 19; Z is H or COOH; and Z' is H or COOH.
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