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US 4,049,586 AGranted
Builder system and detergent product
AssigneeThe Procter & Gamble Company
InventorEverett J. Collier
Life of this patent
Estimating the term…
Abstract
A builder system is provided for detergent compositions which comprises a precipitating builder, a crystallization seed, and a sequestering builder. The builder system may be formulated with a detergent and other components or may be used separately as an additive product.
Claims12
A particulate detergent product consisting essentially of:
- a. from about 0.5% to about 50% by weight of dry admixed calcium carbonate particles having a mean diameter of from about 0.01 to about 0.50 micron;
- b. from about 5% to about 70% by weight of a builder selected from the group consisting of the alkali metal carbonates, bicarbonates, and sesquicarbonates and mixtures thereof;
- c. from about 5% to about 70% by weight of alkali metal pyrophosphate;
- and
- d. from about 5% to about 40% by weight of a water-soluble detergent selected from the group consisting of anionic, nonionic, zwitterionic, and ampholytic detergents and mixtures thereof.
2 more elements
The composition consisting essentially of:
- a. from about 0.5% to about 50% by weight of dry admixed calcium carbonate particles having a mean diameter of from about 0.01 to about 0.50 micron;
- b. from about 5% to about 70% by weight of a builder selected from the group consisting of the alkali metal carbonates, bicarbonates, and sesquicarbonates and mixtures thereof;
- c. from about 15% to about 50% by weight of alkali metal pyrophosphate;
- and
- d. from about 5% to about 40% by weight of a water-soluble detergent selected from the group consisting of anionic, nonionic, zwitterionic, and ampholytic detergents and mixtures thereof.
2 more elements
Dependencies are inferred from the claim text.