Methanol fuel containing flame luminosity agent
Patent 5266080 Issued on November 30, 1993. Estimated Expiration Date: 
November 30, 2010. 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.
November 30, 2010. 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 46987 1557257 2046365 2851417 3049533 3164449 3574550 Marker for petroleum fuels Dye mixtures of azo compounds soluble in organic solvents Alcohol compositions having luminous flames InventorsAssigneeApplicationNo. 419681 filed on 10/11/1989US Classes:44/312, Quinone or anthraquinone containing (e.g., quinhydrone, benzoquinones, etc.)44/329, Heterocyclic carbon compound containing a hetero ring having chalcogen or nitrogen as the only ring hetero atoms44/334, Chalcogen in the hetero ring44/335, Plural nitrogens in the hetero ring (e.g., piperazines, etc.)44/420, Carbon double bonded to the nitrogen44/443, Plural oxygens attached indirectly to each other by acyclic nonionic bonding44/445, All the oxygens are present as -OH groups (e.g., glycols, triols, etc.)44/451, Alkanol44/642FLAME COLORANT COMPOSITIONExaminersPrimary: Medley, MargaretAttorney, Agent or FirmForeign Patent References
International ClassesC10L 001/24C10L 001/22 C10L 001/18 AbstractThe flame luminosity of a methanol fuel is appreciably enhanced by the addition thereto of at least one flame luminosity enhancing agent selected from the group consisting of azine dye, triarylmethane dye, fluorescein dye, imine dye and anthraquinone dye, said dye excluding any metal component whose combustion product(s) tend to cause excessive wear in an engine operated with the fuel composition or tend to significantly interfere with normal operation of such engine or any of its associated systems, the flame luminosity of the fuel composition during burning being appreciably enhanced relative to the flame luminosity of the same burning fuel composition but to which no flame luminosity enhancing agent has been added.Other References
Field of SearchFLAME COLORANT COMPOSITIONQuinone or anthraquinone containing (e.g., quinhydrone, benzoquinones, etc.) Heterocyclic carbon compound containing a hetero ring having chalcogen or nitrogen as the only ring hetero atoms Chalcogen in the hetero ring Plural nitrogens in the hetero ring (e.g., piperazines, etc.) Carbon double bonded to the nitrogen Plural oxygens attached indirectly to each other by acyclic nonionic bonding All the oxygens are present as -OH groups (e.g., glycols, triols, etc.) Alkanol | |
