C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
C09B 67/34 (2006.01) C09B 23/06 (2006.01)
Patent
CA 2388056
Stabilized metachromatic dyes, especially at application concentrations, comprising metachromatic dyes dissolved in one or more non-aqueous solvents, as well as metachromatic dyes dissolved in pH stabilized aqueous solutions. Also, various combinations of treatments are disclosed for stabilizing metachromatic dyes.
La présente invention concerne des teintures métachromiques stabilisées, notamment en des concentrations d'utilisation, comprenant des teintures métachromatiques dissoutes dans un ou plusieurs solvants non aqueux, ainsi que des teintures métachromiques dissoutes dans des solutions aqueuses présentant un pH stabilisé. L'invention concerne également des combinaisons de traitement permettant de stabiliser des teintures métachromatiques.
Agree Alan M.
Buentello Kristin E.
Kye Larry M.
Rafalovsky Victoria
Zhang Elizabeth Y.
Betzdearborn Inc.
Ge Betz Inc.
Moffat & Co.
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