Photochemical superoxide generators

Details Photochemical superoxide generators Photochemical superoxide generators

C - Chemistry, Metallurgy

11

D

C11D 3/28 (2006.01) C07D 487/22 (2006.01) C07F 7/02 (2006.01) C07F 9/6561 (2006.01) C11D 3/00 (2006.01) C11D 3/16 (2006.01) C11D 3/395 (2006.01) C11D 3/42 (2006.01) D06L 3/12 (2006.01)

Patent

CA 2277936

Disclosed are photochemical super oxide generators useful as photobleaches for laundry detergent compositions and as photobleaches or photodisinfectants for use in hard surface cleaning compositions. The compounds described herein comprise an amino-containing electron transfer moiety bonded to the photosensitizing unit wherein the amino-containing moiety is capable of transfering an electron to the photochemically excited .pi. electron cloud of the photosensitizer unit thereby enabling superoxide formation.

Cette invention a trait à des générateurs photochimiques de superoxyde utilisables en tant qu'agents de photo-blanchiment pour compositions de détergent à lessive et en tant qu'agents de photo-blanchiment ou photo-désinfectants dans des compositions de nettoyage de surface revêtue. Les composés décrits ici comportent une fraction de transfert contenant un amino liée à une unité photosensibilisante, la fraction contenant un amino est en mesure de transférer un électron au nuage électronique .pi. excité par voie photochimique de l'unité photosensibilisante, ce qui se solde par la formation d'un superoxyde.

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