C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 11/00 (2006.01) C11D 3/14 (2006.01) C11D 3/40 (2006.01) C11D 3/42 (2006.01) C11D 3/50 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01)
Patent
CA 2257987
A process for producing a particulate laundry additive composition for perfume delivery primarily in laundry detergent and fabric softening products is disclosed. The process essentially includes the steps of drying an aqueous mixture of a pigment and an encapsulating material to form a fluid that preferably is devoid of water or at least has a portion of the water evaporated by this drying step, and thereafter, extruding an encapsulating material, preferably a glassy carbohydrate material, with porous carrier particles, preferably loaded with a perfume, so as to form a hot extrudate. Subsequently, the steps of cooling and grinding the extrudate into particles is completed.
Procédé de production d'une composition d'additif particulaire de lessive pour conférer un parfum surtout à des lessives et à des adoucissants. Ledit procédé consiste essentiellement à sécher un mélange aqueux d'un pigment et d'une matière d'enrobage pour former un fluide qui est de préférence exempt d'eau ou dont au moins une partie de l'eau a été évaporée pendant la phase de séchage, et ensuite à extruder ledit fluide d'enrobage, de préférence une matière hydrate de carbone vitreuse, avec des particules porteuses poreuses, de préférence chargées d'un parfum, de manière à former un extrudat chaud. Ledit procédé consiste enfin à refroidir et à broyer l'extrudat en particules.
Angell John Waynforth
Cutter Gary Ray
Perkis David Frederick
Kirby Eades Gale Baker
The Procter & Gamble Company
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