Peroxygen bleach activators and bleaching compositions
AssigneeThe Procter & Gamble Company
InventorsJames E. Thompson, Charles D. Broaddus
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Abstract
This invention relates to peroxygen bleaching activator compounds and bleaching compositions. The peroxygen bleach activator compounds, used in combination with peroxygen bleach compounds which yield hydrogen peroxide in an aqueous solution, provide effective and efficient bleaching of textiles over a wide range of temperatures. In a highly preferred embodiment the bleaching compositions of the invention are detergent compositions.
Claims24
A peroxygen bleach activator comprising a compound of the general formula ##STR33## where R is a straight or branched chain alkyl or alkenyl containing from about 4 to about 14 carbon atoms, R.sup.1 is H, CH.sub.3, C.sub.2 H.sub.5 or C.sub.3 H.sub.7, X' is Cl, OCH.sub.3 or OC.sub.2 H.sub.5, and L is a leaving group the conjugate acid of which has a pK.sub.a of about 4 to about 30.
A peroxygen bleach activator comprising a compound of the general formula ##STR40## wherein R is a branched or linear alkyl or alkenyl group having from about 4 to about 14 carbon atoms;
- R.sup.1 is H, CH.sub.3, C.sub.2 H.sub.5 or C.sub.3 H.sub.7 ;
- and X' is Cl, OCH.sub.3 or OC.sub.2 H.sub.5 ;
- provided that at least one A is not H.
Dependencies are inferred from the claim text.