C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/22 (2006.01) B01J 13/22 (2006.01) C11D 3/37 (2006.01) C11D 3/50 (2006.01) C11D 17/00 (2006.01)
Patent
CA 2725814
A coated microparticulate composition comprising a microparticulate; wherein the microparticulate comprises a benefit agent; and wherein the microparticulate is coated with: a Type-1 Polymer, wherein the Type-1 Polymer comprises a cationic polymer with a cationic atom content greater than about 3 wt. % and a weight average molecular weight less than about 800,000 Dalton; and a Type-2 Polymer, wherein the Type-2 Polymer comprises a cationic polymer with a cationic atom content less than about 3 wt. % and a weight average molecular weight greater than about 1,000,000 Dalton.
L'invention concerne une composition microparticulaire revêtue qui comprend une microparticule, ladite microparticule comprenant un agent bénéfique et étant revêtue: d'un polymère de type 1 qui comprend un polymère cationique dont la teneur en atomes cationiques est supérieure à environ 3% en poids, et la masse moléculaire moyenne pondérale est inférieure à environ 800000 Dalton; et d'un polymère de type 2 qui comprend un polymère cationique dont la teneur en atomes cationiques est inférieure à environ 3% en poids, et la masse moléculaire moyenne pondérale est supérieure à environ 1000000 Dalton.
Amcol International Corporation
Smart & Biggar
LandOfFree
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