US Patent Application 20100062955 - Anti-oxidants
InventorUS Classes508/167, The heavy metal is molybdenum or tungsten (e.g., molybdenum sulfide, etc.)564/305, Benzene ring containing508/556, Nitrogen attached indirectly to the nitrogen by nonionic bonding508/382, Heavy metal or aluminum bonded directly to carbon508/251, Polycyclo ring system which contains the hetero ring as one of the cyclos (e.g., phenothiazines, etc.)508/371, The heavy metal is zinc508/463, Specified compound wherein the single bonded oxygen is bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon (i.e., specified carboxylic acid ester)508/513, Nitrogen attached to the -C(=O)O- group directly or indirectly by nonionic bonding (e.g., carbamic acids, amino acids, etc.)508/379, The heavy metal is molybdenum, a rare earth metal, gold, silver, or mercury508/421, Organic phosphorus compound, wherein the phosphorus is single bonded directly to chalcogen by nonionic bonding (e.g., phosphorus acids, esters, etc.)524/186, Organo nitrogen compound other than unsubstituted ammonium salt as sole nitrogen atom DNRM44/412Organic nitrogen compound containingAttorney, Agent or FirmInternational ClassesC10M 125/22C07C 211/46 C10M 133/10 C10M 139/06 C10M 135/36 C10L 1/22 C08K 5/16 C10M 137/10 C10M 105/34 C10M 133/16 Abstract textA dialkylanilino-cyclohexane compound useful as an antioxidant has the following formula I or formula II: wherein Ar1 and Ar2 can be the same or different and each is an alkylaromatic group; each of R1, R2, R3, and R4 is independently selected from hydrogen or CR7R8; each of R5, R6, and R7 is independently selected from hydrogen and a substituted or unsubstituted C1 to C32 hydrocarbyl group; and each R8 is independently selected from hydrogen and a C1 to C2 alkyl group, provided that when, each of R1 and R2 is CR7R8 and each such R8 is other than hydrogen, R1 and R2 may be joined to form a five or six-membered ring, and provided further that when, each of R3 and R4 is an adjacent CR7R8 and each such R8 is other than hydrogen, R3 and R4 may be joined to form a five or six-membered ring. |
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