Low phosphate content detergent composition
Patent 4000080 Issued on December 28, 1976. Estimated Expiration Date: 
December 28, 1993. 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.
December 28, 1993. 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 References 2806001 3235500 3308067 3457176 3519570 3658727 3700599 3799880 3850852 3870648 InventorsAssigneeApplicationNo. 513963 filed on 10/11/1974US Classes:510/318, With polycarboxylic acid component, or salt or anhydride thereof (e.g., carboxylic acid copolymer, etc.)106/3, Polishes51/294, BAG OR FILLED CLOTH510/307, With oxygen, nitrogen, or sulfur containing optical brightener510/351, Sulfur containing anionically substituted surfactant which is admixed with a diverse non-soap surfactant510/378, Perborate salt component510/476Carboxylic acid anhydride, free carboxyl group, or salt thereof in the polymerExaminersPrimary: Albrecht, Dennis L.Attorney, Agent or FirmAbstractA low phosphate content detergent composition comprising about 10% to about 25% by weight phosphate builder, about 3% to 30% hardness mineral ion insensitive detergent, about 0.5% to about 3% maleic anhydride-vinyl compound copolymer, and from about 0.5% to about 3% alkylene oxide condensation product. | |
