C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C07D 487/22 (2006.01) C11D 3/00 (2006.01) C11D 3/16 (2006.01)
Patent
CA 2277921
Low hue photobleaching compositions comprising organotin (IV), organogermanium (IV), organoplatinum (IV), organopalladium (IV), organolead (IV) or organophosphorous (III) phthalocyanine and naphthalocyanines having Q-band absorption maxima at wavelengths greater than 660 nm and increased triplet state yields whereby production of singlet oxygen is increased. Use of Sn4+, Ge4+, Pt4+, Pd4+, Pb4+, P3+ phthalocyanine and naphthalocyanines compounds in photobleaching compositions allows for formulation of low hue laundry compositions, bleach compositions, and hard surface cleaners.
Cette invention se rapporte à des compositions de photoblanchiment à faible teinte, qui comprennent des phtalocyanines et des naphtalocyanines d'organo-étain (IV), d'organo-germanium (IV), d'organo-platine (IV), d'organo-palladium (IV), d'organo-plomb (IV) ou d'organo-phosphore (III), ayant des maxima d'absorption dans la bande Q aux longueurs d'ondes supérieures à 660 nm et des rendements accrus à l'état de triplets, augmentant ainsi la production d'oxygène singulet. L'utilisation de composés de phtalocyanines et naphtalocyanines de Sn?4+¿, Ge?4+¿, Pt?4+¿, Pd?4+¿, Pb?4+¿ et P?3+¿ dans des compositions de photoblanchiment permet la formulation de compositions à faible teinte utilisées comme détergents pour lessive, comme agents de blanchiment et comme agents nettoyants pour surfaces dures.
Case Western Reserve University
Kirby Eades Gale Baker
The Procter & Gamble Company
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