C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/42 (2006.01) C11D 3/40 (2006.01)
Patent
CA 2673239
This invention relates to laundry care compositions including but not limited to liquid and/or powder laundry detergent formulations and rinse added fabric softening (RAFS) compositions that comprise whitening agents for cellulosic substrates. The whitening agents are comprised of at least two components: at least one chromophore component and at least one polymeric component. Suitable chromophore components generally fluoresce blue, red, violet, or purple color when exposed to ultraviolet light, or they may absorb light to reflect these same shades. The whitening agents are further characterized by having a dispersion component value of the Hansen Solubility Parameter of less than or equal to about 17 MPaO.5.
Cette invention porte sur des compositions de lessive incluant, mais sans y être limitées, des formulations de détergent de lessive liquide et/ou en poudre et des compositions d'adoucissant de tissu ajoutées au rinçage (RAFS) et comprenant des agents de blanchiment pour substrats cellulosiques. Les agents de blanchiment incluent au moins deux composants: un composant chromophore et un composant polymère. Les composants chromophore appropriés émettent généralement une florescence de couleur bleue, rouge, violette ou pourpre lorsque exposés à une lumière ultraviolette ou peuvent absorber la lumière pour réfléchir ces mêmes teintes. Les agents de blanchiment sont également caractérisés en ce que leur valeur de composant de dispersion du Paramètre de Solubilité Hansen est inférieure ou égale à 17 MPaO.5 environ.
Baker Keith Homer
Cummings Michael David
Hong Xiaoyong Michael
Kieken Laurent D.
Kott Kevin Lee
Kirby Eades Gale Baker
The Procter & Gamble Company
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