Amino phenol-detergent/dispersant combinations and fuels and lubricants containing same
Patent 4200545 Issued on April 29, 1980. Estimated Expiration Date: 
July 3, 1998. 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 3, 1998. 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 2571092 2758086 2831898 2862883 2868844 3145176 Aminosulfonic acid-heterocyclo propane-amine reaction products and fuels and lubricants containing same Lubricants containing amino phenol-detergent/dispersant combinations Patent #: 4100082 InventorsAssigneeApplicationNo. 05/921624 filed on 07/03/1978US Classes:508/248, Acyclic nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding44/413, Nitro or nitroso bonded directly to carbon44/427, Chalcogen attached directly or indirectly to the benzene ring by nonionic bonding508/259, 1,4-Diazines508/399, The compound is an organic nitrogen compound508/412, Chalcogen attached indirectly to the nitrogen by nonionic bonding (e.g., trialkanolamines, phenol-aldehyde-amine condensates, etc.)508/460, Overbased or carbonated carboxylates508/529, Benzene ring bonded directly to the nitrogen508/542, Compound of indeterminate structure, prepared by reacting an aldehyde, a phenol or phenol salt, and ammonia or substituted ammonia (e.g., reaction of formaldehyde, phenol, and amine, etc.)508/549, Nitro or nitroso bonded directly to carbon508/561, Oxygen or sulfur attached indirectly to the nitrogen by nonionic bonding564/160, Two carboxamido carbonyls having no carboxamido nitrogen between the carbonyls564/396, Of carbonyl containing compound564/418, Preparing compound which contains hydroxy, bonded directly to carbon, or ether564/481Of halogen containing compoundExaminersPrimary: Vaughn, IrvingAttorney, Agent or FirmInternational ClassesC10L 1/10 (20060101)C10L 1/24 (20060101) C10L 1/22 (20060101) C10M 163/00 (20060101) C10M 141/08 (20060101) C10M 141/00 (20060101) C10M 133/00 (20060101) F02B 75/02 (20060101) AbstractDisclosed are combinations of amino phenols, wherein said phenols contain a substantially saturated hydrocarbon substituent of at least 10 aliphatic carbon atoms, and one or more detergent/dispersants selected from the group consisting of (I) neutral or basic metal salts of an organic sulfur acid, phenol or carboxylic acid; (II) hydrocarbyl-substituted amines wherein the hydrocarbyl substituent is substantially aliphatic and contains at least 12 carbon atoms; (III) acylated nitrogen-containing compounds having a substituent of at least 10 aliphatic carbon atoms; and (IV) nitrogen-containing condensates of a phenol, aldehyde and amino compound. Fuels and lubricants containing such combinations as additives are particularly useful in two-cycle (two-stroke) engines.Other References
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