Claims
- 1. A hand dishwashing detergent composition comprising:a) a low molecular weight organic diamine having a pK1 and a pK2, wherein the pK1 and the pK2 of said diamine are both in the range of from about 8.0 to about 11.5; b) an anionic surfactant; c) an amine oxide; d) magnesium ions; and e) a polymeric suds stabilizer selected from the group consisting of: i) homopolymers of (N,N-dialkylamino)alkyl acrylate esters having the formula: wherein each R is independently hydrogen, C1-C8 alkyl, and mixtures thereof, R1 is hydrogen, C1-C6 alkyl, and mixtures thereof, n is from 2 to about 6; and ii) copolymers of (i) and wherein R1 is hydrogen, C1-C6 alkyl, and mixtures thereof; provided that the ratio of (ii) to (i) is from about 2 to 1 to about 1 to 2; and wherein said polymeric suds stabilizer has a molecular weight of from about 1,000 to about 2,000,000 daltons; wherein the pH as measured as 10% aqueous solution is from about 5.0 to about 12.5; wherein said magnesium ions are present at an equimolar or less than equimolar amount of said diamine; and wherein the mole ratio of said anionic surfactant to said amine oxide to said diamine is from about 100:40:1 to about 9:0.5:1.
- 2. A hand dishwashing detergent composition comprising:a) from about 0.1% to about 15%, by weight of an organic diamine having a molecular weight less than or equal to 400 g/mol; b) an anionic surfactant; c) amine oxide; d) from about 0.01% to about 5% by weight of magnesium ions; e) less than about 1% by weight of sodium chloride; and f) a polymeric suds stabilizer selected from the group consisting of: i) homopolymers of (N,N-dialkylamino)alkyl acrylate esters having the formula: wherein each R is independently hydrogen, C1-C8 alkyl, and mixtures thereof, R1 is hydrogen, C1-C6 alkyl, and mixtures thereof, n is from 2 to about 6; and ii) copolymers of (i) and wherein R1 is hydrogen, C1-C6 alkyl, and mixtures thereof; provided that the ratio of (ii) to (i) is from about 2 to 1 to about 1 to 2; and wherein said polymeric suds stabilizer has a molecular weight of from about 1,000 to about 2,000,000 daltons; wherein the pH as measured as 10% aqueous solution is from about 5.0 to about 12.5; wherein said magnesium ions are present at an equimolar or less than equimolar amount of said diamine; and wherein the mole ratio of said anionic surfactant to said amine oxide to said diamine is from about 100:40:1 to about 9:0.5:1.
- 3. An anti-bacterial hand dishwashing detergent composition comprising:a) a low molecular weight organic diamine having a pK1 and a pK2, wherein the pK1 and the pK2 of said diamine are both in the range of from about 8.0 to about 11.5; b) an anionic surfactant; c) an amine oxide; d) magnesium ions; e) from about 4.5% to about 15% by weight of a hydrotrope; and f) a polymeric suds stabilizer selected from the group consisting of: i) homopolymers of (N,N-dialkylamino)alkyl acrylate esters having the formula: wherein each R is independently hydrogen, C1-C8 alkyl, and mixtures thereof, R1 is hydrogen, C1-C6 alkyl, and mixtures thereof, n is from 2 to about 6; and ii) copolymers of (i) and wherein R1 is hydrogen, C1-C6 alkyl, and mixtures thereof; provided that the ratio of (ii) to (i) is from about 2 to 1 to about 1 to 2; and wherein said polymeric suds stabilizer has a molecular weight of from about 1,000 to about 2,000,000 daltons; wherein the pH as measured as 10% aqueous solution is from about 5.0 to about 12.5; wherein said magnesium ions are present at an equimolar or less than equimolar amount of said diamine and wherein the mole ratio of said anionic surfactant to said amine oxide to said diamine is from about 100:40:1 to about 9:0.5:1.
- 4. A hand dishwashing detergent composition according to claim 3 further comprising a surfactant, wherein said surfactant is selected form the group consisting nonionic, amphoteric, zwitterionic and mixtures thereof.
- 5. A hand dishwashing detergent composition according to claim 4 wherein said diamine is selected from the group consisting of: wherein R2-5 are independently selected from H, methyl, ethyl, and ethylene oxides; Cx and Cv are independently selected from methylene groups or branched alkyl groups where x+v is from 3 to 6; and A is optionally present and is selected from electron donating or withdrawing moieties chosen to adjust the diamine pKa's to the desired range; wherein if A is present, then both x and y must be 2 or greater.
- 6. A detergent composition according to claim 4 wherein said diamine has the formula: wherein each R6 is independently selected from the group consisting of hydrogen, C1-C4 linear or branched alkyl, alkyleneoxy having the formula: —(R7O)mR8 wherein R7 is C2-C4 linear or branched alkylene, and mixtures thereof; R8 is hydrogen, C1-C4 alkyl, and mixtures thereof; m is from 1 to 10; X is a unit selected from: i) C3-C10 linear alkylene, C3-C10 branched alkylene, C3-C10 cyclic alkylene, C3-C10 branched cyclic alkylene, an alkyleneoxyalkylene having the formula: —(R7O)mR7— wherein R7 and m are the same as defined herein above; ii) C3-C10 linear, C3-C10 branched linear, C3-C10 cyclic, C3-C10 branched cyclic alkylene, C6-C10 arylene, wherein said unit comprises one or more electron donating or electron withdrawing moieties which provide said diamine with a pKa greater than 8; and iii) mixtures of (i) and (ii) provided said diamine has a pKa of at least 8.
- 7. A hand dishwashing detergent composition according to claim 6 wherein said diamine is selected from the group consisting of dimethyl aminopropyl amine, 1,6-hexane diamine, 1,3 propane diamine, 2-methyl 1,5 pentane diamine, 1,3-Pentanediamine, 1,3-diaminobutane, 1,2-bis(2-aminoethoxy)ethane, Isophorone diamine, 1,3-bis(methylamine)-cyclohexane and mixtures thereof.
- 8. A hand dishwashing detergent composition according to claim 7 wherein said anionic surfactant is selected from the group consisting of alkyl sulfates, alkyl alkoxy sulfates, linear alkylbenzene sulfonate, alpha olefin sulfonate, paraffin sulfonates, methyl ester sulfonates, alkyl sulfonates, alkyl alkoxylated sulfates, sarcosinates, taurinates, alkyl alkoxy carboxylate, and mixtures thereof.
- 9. A hand dishwashing detergent composition according to claim 1 further comprising an enzyme, wherein said enzyme is selected from the group consisting of amylase, protease, cellulase, lipase and mixtures thereof.
- 10. A hand dishwashing detergent composition according to claim 9 further comprising one or more detersive adjuncts selected from the following: soil release polymers, polymeric dispersants, hydrotrope, polysaccharides, thickeners, abrasives, bactericides, tarnish inhibitors, builders, enzymes, dyes, perfumes, thickeners, antioxidants, processing aids, suds boosters, buffers, antifungal or mildew control agents, insect repellants, anti-corrosive aids, and chelants.
- 11. A hand dishwashing detergent composition according to claim 10 wherein said composition is in the form selected from the group consisting of paste, liquid, granule, powder, gel, and mixtures thereof.
- 12. A hand dishwashing detergent composition according to claim 11 wherein the mole ratio of anionic surfactant:amine oxide:diamine is from 27:8:1 to 11:3:1.
- 13. An anti-bacterial hand dishwashing detergent composition according to claim 3 wherein said hydrotrope is selected form the group consisting of sodium, potassium, calcium and ammonium cumene sulfonate; sodium, potassium, calcium and ammonium xylene sulfonate; sodium, potassium, calcium and ammonium toluene sulfonate and mixtures thereof.
- 14. A method of washing tableware said method comprising contacting soiled tableware in need of cleaning with an aqueous solution of the hand dishwashing detergent composition according to claim 13.
- 15. A hand dishwashing detergent composition according to claim 4 wherein said amphoteric surfactant is selected from the group consisting of betaines, sulfobetaines, and mixtures thereof.
- 16. A hand dishwashing detergent composition according to claim 1 wherein said composition has a viscosity of greater than 100 cps when measured by a Brookfield LVTDV-11 viscometer apparatus using an RV #2 spindle at 12 rpm.
- 17. An anti-bacterial hand dishwashing detergent composition according to claim 3 wherein said hydrotrope is selected form the group consisting of sodium, potassium, calcium and ammonium cumene sulfonate; sodium, potassium, calcium and ammonium xylene sulfonate; sodium, potassium, calcium and ammonium toluene sulfonate and mixtures thereof.
Parent Case Info
This application claim priority under 35 USC 119(e) to U.S. provisional application No. 60/118,990, filed Feb. 8, 1999.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
PCT/US00/03230 |
|
WO |
00 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO00/46330 |
8/10/2000 |
WO |
A |
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Provisional Applications (1)
|
Number |
Date |
Country |
|
60/118990 |
Feb 1999 |
US |