C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 219/14 (2006.01) C07C 69/76 (2006.01) C07C 219/08 (2006.01) C08K 5/17 (2006.01)
Patent
CA 2363543
The present invention relates to novel antioxidant compounds to reduce the physical or chemical degradation or discoloration of surfaces, especially the fading of a variety of surfaces from sunlight, wherein the antioxidant compound is a derivative of butylated hydroxytoluene or sorbic acid and is selected from the group consisting of: (I), (II), (III), (IV), wherein each R1 and R3 is selected from the group consisting of hydroxy, methoxy, ethoxy, propoxy, butoxy, methyl, ethyl, propyl, straight or branched chained butyl groups, straight or branched chained amyl groups, and mixtures thereof; R2 is a hydroxy group; each R4 and R7 is selected from the group consisting of a saturated or unsaturated C1-C22, alkyl, aryl, cyclic alkyl group (which may be interrupted by an ester, amide, or ether group), hydrogen, and mixtures thereof; each R5, R6, R8, and R9 is selected from the group consisting of a saturated or unsaturated C1-C22, alkyl, aryl, cyclic alkyl group (which may be interrupted by an ester, amide, or ether group), and mixtures thereof; n is from 1 to 50; Y is a hydrogen or a methyl group; Z is a hydrogen or a methyl group; wherein the amino group of the compounds of formulas (I) to (IV) can be protonated or quaternized with R10X where R10 is a hydrogen, a C1-C6 alkyl group, C1-C6 hydroxyl alkyl group, benzyl group and mixtures thereof; and X- is any compatible anion.
Severns John Cort
Sivik Mark Robert
Dimock Stratton Llp
The Procter & Gamble Company
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