Antifogging cleaner
Patent 3939090 Issued on February 17, 1976. Estimated Expiration Date: 
February 17, 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.
February 17, 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 3679592 3696043 3819522 InventorApplicationNo. 408739 filed on 10/23/1973US Classes:510/182, With aliphatic alcohol, ether, or ketone component106/13, Fog, frost or ice preventive134/40, Oils, grease, tar, or wax removal, by dissolving510/406, Packaged or gas-propelled composition510/428, Plural anionically substituted sulfur containing surfactants510/432, Organic solvent component510/476, Carboxylic acid anhydride, free carboxyl group, or salt thereof in the polymer510/506EtherExaminersPrimary: Schultz, William H.Attorney, Agent or FirmAbstractThere is disclosed a composition comprising approximately by weight (a) 0.01 to 0.1% of a copolymer of (1) an ethylenically unsaturated polymeric anhydride or partial ester and (2) an ethylenically unsaturated monomer; (b) up to 10% of at least one lower alkylene glycol lower alkyl monoether, (c) up to 25% of an aliphatic alcohol; (d) 0.1 to 2% of an ethoxylated C10-18 alkali metal sulfate and the balance water. Components (b) and (c) may both be present, or a greater amount of one to compensate for the absence of the other. | |
