Thickened stable acidic microemulsion cleaning composition
Patent 5409630 Issued on April 25, 1995. Estimated Expiration Date: 
February 3, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 3, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesLight duty microemulsion liquid detergent composition containing an aniocic/cationic complex Safe acidic hard surface cleaner Nonaqueous liquid, phosphate-free, improved automatic dishwashing composition containing enzymes Patent #: 5169553 InventorsAssigneeApplicationNo. 191222 filed on 02/03/1994US Classes:510/401, With metal-corrosion inhibiting component (i.e., preventing corrosion, such as tarnishing, discoloration, etc., of metal equipment which is in contact with the cleaning composition)510/362, For removing soap scum or curd or combustion residues (e.g., carbon deposits, etc.)510/365, For removing greasy or oily contaminant from a substrate510/403, Gel or malleable composition (e.g., plastic-like, etc.)510/417, Plural immiscible liquid phases (e.g., emulsion, oily and aqueous layers, etc.)510/424, Sulfur containing anionically substituted surfactant510/434, Polycarboxylic acid component, or acid anhydride or salt thereof (e.g., acrylic acid polymer, maleic anhydride, sodium citrate, etc.)510/469, Carbon bonded directly to the phosphorus (e.g., phosphonic acid or salt or ester thereof, etc.)510/477Polycarboxylic acid component, or salt thereofExaminersPrimary: Lieberman, PaulAssistant: Douyon, Lorna M. Attorney, Agent or FirmInternational ClassesC11D 003/37C11D 007/24 AbstractA viscoelastic gel microemulsion acidic composition having a complex viscosity at 100 sec-1 of about 0.01 to about 0.07 Pascal seconds, a G' value of about 0.8 to about 0.3 dynes/sq cm over a strain range of 0.001 to 0.4% and a G" value of about 0.06 to about 0.6 dynes/sq cm over a strain range of 0.001 to 0.1% which comprises approximately by weight 0.5 to 7 wt % of a nonionic surfactant having an HLB of about 0.1 to about 8.0; 0.5 to 10.0 wt. percent of a sodium paraffin sulfonate 1 to 6 wt % of a polymeric thickener; 0.1 to 2.0 wt % of an aliphatic hydrocarbon or perfume having about 6 to about 22 carbon atoms; and the balance being water. | |
