C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/40 (2006.01) C11D 3/16 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01)
Patent
CA 2398933
A coloured speckle composition for use in particulate laundry detergent compositions comprising a porous granular carrier and at least 0.01 wt% photobleach, preferably at least 0.05 wt%, more preferably at least 0.1 wt%, based on the active ingredient, the composition having an average bulk density of at most 600 g/l, preferably at most 500 g/l, most preferably at most 400 g/l. The carrier system reduces the staining tendency of the photobleach. The most preferred carrier is spray dried detergent base powder. The most preferred photobleach is a blend of Zn and Al sulphonated phthalocyanine.
Composition permettant d'obtenir un chatoiement coloré, destinée à être utilisée dans les détergents à lessive en poudre, comprenant un support poreux en granulés et au moins 0,01 % en poids d'une substance photoinstable, préférablement au moins 0,05 % en poids, et idéalement au moins 0,1 % en poids, selon la matière active, la composition ayant une masse volumique apparente moyenne d'au plus 600 g/L, préférablement au plus 500 g/L, et idéalement au plus 400 g/L. Le support réduit la tendance à tacher de la substance photoinstable. Le support idéal est une base de détergent en poudre séchée par pulvérisation. La substance photoinstable idéale est un mélange de phtalocyanine sulfonée de Zn et d'Al.
Bonelli Juan Jose
Bonfa Marcio Henrique Perissinotto
de Gusmao Paulo Enrique
Del Nunzio Mario Jovelino
Puelle Andrade Paulo Cesar
Gowling Lafleur Henderson Llp
Plc Unilever
The Sun Products Corporation
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