C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/28 (2006.01) C07D 471/22 (2006.01) C11D 3/00 (2006.01) C11D 3/16 (2006.01) C11D 3/39 (2006.01) C11D 3/395 (2006.01) C11D 3/42 (2006.01) D06L 3/12 (2006.01)
Patent
CA 2277820
The present invention relates to photochemical singlet oxygen generators having enhanced fabric substantivity, said photochemical singlet oxygen generators useful as photobleaches in laundry detergent compositions. The present invention is also directed to methods for removing stains on fabric by contacting dirty and stained fabric with the photobleaching agents described herein.
Cette invention se rapporte à des générateurs d'oxygène singulet photochimique, ayant une meilleure affinité pour les tissus, ces générateurs d'oxygène singulet photochimique étant utiles comme agents de photoblanchiment dans des compositions de détergents pour lessives. Cette invention se rapporte également à des procédés pour éliminer des taches sur les tissus, par mise en contact des tissus sales et tachés avec les agents de photoblanchiment décrits dans l'invention.
Ingram David William
Jeffreys Brian
Willey Alan David
Case Western Reserve University
Kirby Eades Gale Baker
The Procter & Gamble Company
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