Patent ID: 7345016

Claim:
A cleaning composition prepared by a process of dissolving: a.) from about 1 ppm to about 1000 ppm of a sensitizer selected from the group consisting porphyrins, phthalocyanines, C 8 -C 70 aromatics, superoxide sensitizers, and mixtures thereof; and b.) from about 100 ppm to about 10,000 ppm of an extender selected from the group consisting of furan, substituted furans, alkyl ethoxylates, polyethoxylates, alkyl polyethoxylates, polynuclear aromatics, imidazole, substituted imidazoles, pyrrole, substituted pyrroles, and mixtures thereof; into c.) the balance of said cleaning composition, said balance consisting essentially of a siloxane lipophilic fluid, and optionally an adjunct ingredient; wherein said composition comprises less than about 1×10 −4 moles per liter of oxygen introduced into said composition during said process; and d.) wherein said process is conducted while avoiding exposure to light.