C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/62 (2006.01) C11D 1/65 (2006.01)
Patent
CA 2527637
Softening-through-the-wash compositions ("STW compositions") are added to the wash cycle of a laundering process to soften fabrics. The STW compositions of the present invention comprise a particulate fabric softening active having an average particle size of less than about 800 microns in diameter. The STW compositions are substantially free of detersive surfactants and silicone materials. The STW compositions can further comprise a particulate co- softening compound having an average particle size of less than about 800 microns in diameter. The STW compositions comprise an effective amount of the particulate fabric softening active and optional particulate co-softening compound to provide a concentration of the fabric softening active and optional co-softening compound of at least about 50 parts per million when the STW composition is dispensed in a wash solution of the laundering process. Processes to make these STW compositions are also encompassed in the present invention.
L'invention porte sur des compositions adoucissantes par le lavage qui sont ajoutées au cycle de lavage d'un processus de lavage sur des tissus souples. Ces compositions comprennent un adoucissant particulaire actif ayant une granulométrie moyenne inférieure à environ 800 microns en diamètre. Ces compositions sont sensiblement exemptes de tensioactifs détersifs et de matières siliconiques. Les compositions peuvent également comprendre un composé particulaire co-adoucissant ayant une granulométrie moyenne inférieure à environ 800 microns en diamètre. Ces compositions comprennent une quantité efficace d'un adoucissant particulaire actif et d'un composé optionnel particulaire co-adoucissant de façon à former une concentration d'un composé actif adoucissant et d'un composé co-adoucissant optionnel d'au moins environ 50 parties par million lorsque la composition de l'invention est distribuée dans une solution de lavage d'un processus de lavage. L'invention porte également sur des procédés de fabrication de ces compositions.
Angell Adrian John Wayneforth
Keitel Gary Wayne
Letzelter Nathalie Sophie
Wahl Errol Hoffman
Williams Barbara Kay
Dimock Stratton Llp
The Procter & Gamble Company
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