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Busch, D. H.; Collinson, S. R.; Hubin, T. J.; Perkins, C. M.; Labeque, R.; Williams, B. K.; Johnston, J. P.; Kitko, D. J. and Burckett-St, L. J. C.
(2008).
Abstract
NOVELTY - A laundry and cleaning composition comprises metal complex (1 ppb to 99.9%), oxygen bleaching agent, and additives (balance). The metal complex comprises transition metal and cross-bridge macropolycyclic ligand comprising organic macrocycle ring and moiety comprising cross-bridged chain that covalently connects non-adjacent donor atoms of organic macrocycle ring. The organic macrocycle ring comprises donor atoms that are coordinated to transition metal; and non-donor atoms to separate the donor atoms from each other by covalent linkages of non-donor atom.
USE - For use as laundry composition and automatic dishwashing detergents.
ADVANTAGE - The composition provides enhanced cleaning/bleaching benefits through the use of transition-metal bleach catalyst.
DETAILED DESCRIPTION - A laundry and cleaning composition comprises metal complex (1 ppb to 99.9%), oxygen bleaching agent, and additives (balance). The metal complex comprises transition metal and cross-bridge macropolycyclic ligand comprising organic macrocycle ring and moiety comprising cross-bridged chain that covalently connects non-adjacent donor atoms of organic macrocycle ring. The organic macrocycle ring comprises four donor atoms, where two donor atoms are non-adjacent to donor atoms. The covalently connected donor atoms are donor atoms that are coordinated to transition metal. The cross-bridged chain comprises 2-10 atoms. The transition metal atom is manganese (Mn(II), Mn(III), Mn(IV) or Mn(V)), iron (Fe(II), Fe(III) or Fe(IV)), cobalt (Co(I), Co(II) or Co(III)), chromium (Cr(II), Cr(III), Cr(IV), Cr(V) or C(VI)), nickel (Ni(II) or Ni(III)), copper (Cu(I), Cu(II) or Cu(III)), vanadium (V(III), V(IV) or V(V)), molybdenum (Mo(IV), Mo(V) or Mo(VI)), tungsten (W(IV), W(V) or W(V)), palladium (Pd(II)), or ruthenium (Ru(II), Ru(III) or Ru(IV)). The four donor atoms comprise nitrogen, oxygen, sulfur or phosphorus. The organic macrocycle ring may further comprise non-donor atoms to separate the donor atoms from each other by covalent linkages of non-donor atom. When cross-bridged macropolycyclic ligand comprises less than six donor atoms coordinated to the transition metal, there is sufficient number of non-macropolycyclic ligands to complete coordination sphere of the transition metal atom. When the transition metal's charge is not neutralized by the non-macropolycyclic ligands, there is sufficient number of counterions to provide metal complex with charge neutrality.
CORE (COnnecting REpositories)
CORE (COnnecting REpositories)
