C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/62 (2006.01) A61K 31/14 (2006.01) C09K 8/64 (2006.01) C09K 8/80 (2006.01) C11D 1/62 (2006.01)
Patent
CA 2628509
Viscoelastic compositions are disclosed herein containing an effective amount of one or more random or structurally defined polycationic quaternary ammonium compounds for controlling the viscoelasticity of the composition. In at least one aspect, the present technology provides polycationic quaternary ammonium compounds comprising bis-quaternary compounds. In another aspect, the present technology provides viscoelastic compositions that comprise polycationic quaternary ammonium compounds comprising bis-quaternary compounds. Preferred viscoelastic compositions of the present technology maintain viscoelasticity at a temperature greater than about 80~ C, preferably greater than about 100~ C or about 110~ C when the amount of the one or polycationic quaternary compounds is less than about 10% by weight based on the total weight of the composition.
L'invention concerne des compositions viscoélatiques qui contiennent une quantité efficace d'un ou de plusieurs composés d'ammonium quaternaires polycationiques aléatoires ou définis de manière structurelle destinés à réguler la viscoélasticité de ladite composition. Dans au moins un aspect, l'invention concerne des composés d'ammonium quaternaires polycationiques comprenant des composés bis-quaternaires. Dans un autre aspect, l'invention concerne des compositions viscoélastiques comprenant des composés d'ammonium quaternaires polycationiques comprenant des composés bis-quaternaires. Des compositions viscoélastiques préférées selon l'invention conservent la viscoélasticité à une température supérieure à environ 80 °C, de préférence supérieure à environ 100 °C ou environ 110 °C lorsque la quantité de ces composés quaternaires polycationiques est inférieure à environ 10 % en poids sur la base du poids total de la composition.
Mbm Intellectual Property Law Llp
Stepan Company
LandOfFree
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