Cleaning composition for glass and similar hard surfaces
Patent 4606842 Issued on August 19, 1986. Estimated Expiration Date: 
July 19, 2005. 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.
July 19, 2005. 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 ReferencesInventorsAssigneeApplicationNo. 06/756578 filed on 07/19/1985US Classes:510/182, With aliphatic alcohol, ether, or ketone component134/40, Oils, grease, tar, or wax removal, by dissolving510/243, For clear or translucent plastic surface (e.g., acrylic, resin, polycarbonate, etc.)510/365, For removing greasy or oily contaminant from a substrate510/422, With diverse non-soap surfactant510/424, Sulfur containing anionically substituted surfactant510/429, Sulfonate surfactant with sulfate monoester surfactant510/467, Phosphorus in the component510/488, Carboxylic acid, or salt thereof510/495Sulfonic acid or sulfate monoester substituent in the component, or salt thereofExaminersPrimary: Lieberman, PaulAssistant: Van Le, Hoa Attorney, Agent or FirmInternational ClassesC11D 3/37 (20060101)C11D 3/43 (20060101) AbstractA polyacrylic resin which can be a polyacrylic acid or a mixture of a polyacrylic acid and an acrylic polymeric complex with a phosphinate or sulfur containing moiety is used as a builder in an aqueous glass cleaning composition of the spray-on wipe-off type containing an organic solvent system and at least one detergent surface active agent. Cleaning efficiency is comparable to and even superior to tetrasodium pyrophosphate built compositions.Other References
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