C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 63/00 (2006.01) C08J 3/20 (2006.01) C08L 91/06 (2006.01)
Patent
CA 2235733
The present invention is to a process for producing a matrix particle of a colored lake or dye which matrix reduces the leeching or bleeding of the colored lake or dye into the surrounding medium. The present inventive process is particularly useful in toothpaste formulations.
L'invention concerne un procédé de fabrication d'une particule matricielle de pigment laque teinté ou colorant visant à réduire le lessivage ou le dégorgement du pigment ou du colorant en question dans la structure avoisinante. Le procédé décrit est particulièrement utile dans la préparation des compositions de pâte dentifrice.
Chang Howard
Desai Indrajit N.
Vinen Arthur
Borden Ladner Gervais Llp
Smithkline Beecham Corporation
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