C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/62 (2006.01) C11D 3/00 (2006.01) C11D 3/18 (2006.01) C11D 3/20 (2006.01) C11D 3/37 (2006.01) C11D 3/43 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2378163
Clear/translucent formulations comprise polyquaternary ammonium actives with lower, or no, solvent levels except the solvent which is normally present in the polyquaternary raw material stocks by choosing highly efficient solvents within a specific Clog P range, employing higher levels of polyquaternary ammonium actives, and/or augmenting the bilayer with surfactants and/or polar oils. Compositions with lowered solvent levels have at or below about 5% by volume of secondary dispersed phases, preferably below about 3% by volume of secondary dispersed phases, and more preferably 1% by volume of secondary dispersed phases. The most preferred compositions are essentially free of secondary dispersed phases. High-speed centrifugation easily and quickly reveals the % volume of secondary phase(s).
L'invention concerne des compositions limpides ou translucides comprenant des agents actifs d'ammonium polyquaternaires, dont la teneur en solvant est faible ou nulle, à l'exception du solvant qui est normalement présent dans les produits de matière première polyquaternaire. Pour cela, on choisit des solvants principaux hautement efficaces dans une gamme spécifique Clog P, on emploie une quantité plus élevée d'agents actifs quaternaires, et/ou on augmente la bicouche avec des surfactants et/ou d'huiles polaires. Les compositions à teneur plus faible en solvant contiennent environ 5 % ou moins en volume de phases dispersées secondaires, de préférence moins de 3 % environ, et mieux encore, moins de 1 % environ. Les compositions idéales sont sensiblement exemptes de phases dispersées secondaires. La centrifugation à grande vitesse révèle facilement et rapidement le % du volume de la ou des phases secondaires.
Baker Ellen Schmidt
Declercq Marc Johan
Demeyere Hugo Jean-Marie
Frankenbach Gayle Marie
Murphy Ruth Anne
Dimock Stratton Llp
The Procter & Gamble Company
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