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US 5,670,467 AGranted
Stratified solid cast detergent compositions
OwnerHoward Fleisherinventor
Life of this patent
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Abstract
Stratified solid cast alkaline detergent compositions are disclosed in which the concentrations of an active alkalinity source and water of hydration which contain at least one granular material in varying concentration throughout the composition. Methods of making and using the disclosed compositions are also disclosed.
Claims28
A stratified, heterogeneous, substantially non-uniform, solid cast alkaline detergent composition comprising the following components (a)-(c):
- (a) an active alkalinity source sufficient to provide an average alkalinity content of about 5% to about 65% by weight throughout said composition,
- (b) a granular inorganic water conditioning material sufficient to maintain detergency and threshold water conditioning effect even where minimal conditioner concentrations are present, and
- (c) water of hydration sufficient to solidify said composition, wherein the amounts of components (a) and (b) vary continuously in concentration from the inner to the outer regions of said composition, and wherein such variation in concentration is produced by cooling to solidification an aqueous suspension comprising components (a)-(c) so that components (a) and (b) will stratify upon solidification to yield said stratified, heterogeneous, substantially non-uniform, solid cast alkaline detergent composition.
A stratified, heterogeneous, substantially non-uniform, solid cast alkaline detergent composition comprising the following components (a)-(c):
- (a) an active alkalinity source sufficient to provide an average alkalinity content of about 5% to about 65% by weight throughout said composition,
- (b) a granular detergent component sufficient to maintain detergency, and
- (c) water of hydration sufficient to solidify said composition, wherein the amount of component (b) varies continuously in concentration from the inner to the outer regions of said composition, and wherein such variation in concentration is produced by cooling to solidification an aqueous suspension comprising components (a)-(c) so that component (b) will stratify upon solidification to yield said stratified, heterogeneous, substantially non-uniform, solid cast alkaline detergent composition.
Dependencies are inferred from the claim text.