Claims
- 1. An improved effervescent cleansing composition in tablet form comprising:
- (a) about 20% to about 45% by weight of the final composition of an alkali metal or alkaline earth metal phosphate salt;
- (b) an improved perborate salt mixture wherein the improvement comprises a combination of anhydrous perborate and monohydrate perborate in the amount of about 50% to about 70% by weight of the total cleansing composition, wherein the combination includes at least 20% by weight of the total cleansing composition of anhydrous perborate, wherein the proportion of anhydrous to monohydrate perborate is from about 1 to 3 to about 3 to 1, said combination having a portion present in a compacted, granulated mixture with from about 0.01% to about 0.70% by weight of said combination of a polymeric fluorocarbon, said cleansing composition being capable of thoroughly cleansing stained surfaces within a soaking time of five minutes or less when dissolved in aqueous solution;
- (c) a sequestering agent in amounts of greater than about 10% by weight up to about 50% by weight of the composition, said sequestering agent being selected from the group consisting of phosphonic acid derivatives, carboxylic acid derivatives and mixtures thereof.
- 2. The composition of claim 1 wherein said phosphate salt comprises trisodium phosphate.
- 3. The composition of claim 1 wherein said perborate salt mixture comprises alkali metal and alkaline earth metal perborates.
- 4. The composition of claim 3 wherein said alkali metal perborate salt mixture comprises sodium perborate monohydrate and anhydrous sodium perborate.
- 5. The composition of claim 1 wherein said anhydrous perborate is present in an amount of from about 20% to about 25% by weight.
- 6. The composition of claim 5 wherein said anhydrous perborate comprises anhydrous sodium perborate.
- 7. The composition of claim 1 wherein said polymeric fluorocarbon includes at least one fluroolefin.
- 8. The composition of claim 7 wherein said polymeric fluorocarbon comprises polytetrafluoroethylene.
- 9. The composition of claim 8 wherein said polymeric fluorocarbon is present in an amount from about 0.33% to about 0.66% by weight.
- 10. The composition of claim 1 further including at least one material selected from the following: builders, detergents, lubricants, perfumes, flavorings, excipients, disintegrants, and mixtures thereof.
- 11. The composition of claim 1 wherein the sequestrant is selected from the group consisting of amino carboxylate, hydroxycarboxylate and mixtures thereof, present in amounts of greater than about 10% up to about 50% by weight of the composition.
- 12. The composition of claim 11 wherein the sequestrant comprises ethylenediamine tetraacetric acid or nitrilotriacetic acid and salts thereof.
- 13. The composition of claim 11 wherein the sequestrant is selected from the group consisting of gluconic acid, citric acid and salts thereof.
- 14. The composition of claim 13 wherein the sequestrant comprises a phosphonate salt, its alkali metal salts and mixtures thereof present in amounts of greater than about 10% up to about 50% by weight of the composition.
- 15. The composition of claim 14 wherein the sequestrant is selected from the group consisting of amino tri(methylenephosphonic acid), 1-hydroxyethylidene-1,1-diphosphonic acid, ethylenediamine tetra(methylene phosphonic acid), hexamethylenediaminetetra(methylenephosphonic acid), diethylene triamine penta(methylenephosphonic acid) and mixtures thereof.
- 16. The tablet of claim 1 useful as a denture cleanser comprising the composition of claim 1.
- 17. The tablet of claim 1 useful as a denture cleanser comprising the composition of claim 6.
- 18. The tablet of claim 1 useful as a denture cleanser comprising the composition of claim 9.
- 19. The tablet of claim 1 useful as a denture cleanser comprising the composition of claim 15.
Parent Case Info
The present application is a continuation-in-part of my copending application Ser. No. 487,489, filed Apr. 22, 1983 now U.S. Pat. No. 4,518,520.
US Referenced Citations (4)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
487489 |
Apr 1983 |
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