A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/81 (2006.01) A61K 8/365 (2006.01) A61K 8/368 (2006.01) A61K 8/49 (2006.01) A61K 8/89 (2006.01) A61Q 5/02 (2006.01)
Patent
CA 2405222
A stable, aqueous composition containing a substantially crosslinked alkali- swellable acrylate copolymer rheology modifier, a surfactant, an alkaline material, and various compounds therein, as for example substantially insoluble materials requiring suspension or stabilization, such as a silicone, an oily material, or a pearlescent material. Additionally, this invention also relates to the formation of a rheologically and phase stable cationic hair dye composition. The invention further relates to the incorporation of an acidic material after the addition of an alkaline material to reduce the pH of the composition without negatively impacting the viscosity of the composition.
L'invention concerne une composition aqueuse stable contenant un modificateur de rhéologie à base de copolymère d'acrylate réticulé gonflant au contact d'alcalis, un tensioactif, une matière alcaline, et différents composés, par exemple des matières sensiblement insolubles nécessitant une suspension ou une stabilisation tels que le silicone, une matière huileuse ou une matière perlée. Cette invention concerne également la formation d'une composition de colorant capillaire cationique à rhéologie et à phase stables. L'invention concerne en outre l'incorporation d'une matière acide suite à l'adjonction d'un produit alcalin afin d'abaisser le pH de la composition sans influencer négativement la viscosité de la composition.
Ambuter Hal
Kotian Sahira V.
Schmucker-Castner Julie F.
Snyder Marcia
Weaver Ashley A.
Lubrizol Advanced Materials Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Noveon Ip Holdings Corp.
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