Biodegradable aqueous filter cleaner formulation
February 1, 2013. 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 3382285 Acidic cleaning composition Method of cleaning membrane filter Biodegradable, alkali stable, non-ionic surfactants Cleaning intensifier for use in dry-cleaning machines equipped with adsorption filters Detergent composition for cleaning hard surfaces and method of using the same Method and compositions for hard surface cleaning Liquid biodegradable surfactant and use thereof Liquid aqueous cleaning preparations for hard surfaces Cleaning preparations for hard surfaces InventorsAssigneeApplicationNo. 011553 filed on 02/01/1993US Classes:510/109, For cleaning a specific substrate or removing a specific contaminant (e.g., for smoker`s pipe, etc.)510/421, Polyoxyalkylene containing surfactant devoid of covalently bonded anionic substituents510/434, Polycarboxylic acid component, or acid anhydride or salt thereof (e.g., acrylic acid polymer, maleic anhydride, sodium citrate, etc.)510/477, Polycarboxylic acid component, or salt thereof510/488, Carboxylic acid, or salt thereof510/506EtherExaminersPrimary: Lieberman, PaulAssistant: Fries, Kery Attorney, Agent or FirmForeign Patent References
International ClassesC11D 001/722C11D 003/16 AbstractA biodegradable aqueous filter cleaning formulation containing effective amounts of a biodegradable carboxylic acid and/or salt thereof, a nonionic biodegradable surfactant based on oxyalkylated linear alcohols, and a water soluble organic solvent. | |
