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Class Information
Number: 508/463
Name: Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions > Lubricants or separants for moving solid surfaces and miscellaneous mineral oil compositions (e.g., water containing, etc.) > Organic -c(=o)o- compound > 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)
Description: Compositions which contain a specified compound wherein an additional carbon is bonded directly to the single bonded oxygen, which carbon may be single bonded to any atom but may be multiple bonded only to carbon.


Sub-classes under this class:

Class Number Class Name Patents
508/501 Chalcogen attached indirectly to the -c(=o)o-group by nonionic bonding (e.g., pentaerythritol monooleate, etc.) 136
508/504 Halogen attached indirectly to the -c(=o)o- group by nonionic bonding 16
508/500 Nitrogen attached indirectly to the -c(=o)o- group by nonionic bonding 50
508/464 Nitrogen bonded directly to the carbon of the -c(=o)o- group 59
508/465 Plural -c(=o)o- groups attached directly or indirectly to each other by nonionic bonding (e.g., estolides of hydroxy carboxylic acids, etc.) 58
508/505 With hydrocarbon polymer or organic non-carboxylic acid ester oxygen compound (e.g., polybutene, dimer carboxylic acids, alcohols, etc.) 31


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7595286 Oil composition for cutting and grinding by minimal quantity lubrication system Sep. 29, 2009
7585823 Lubricating fluids with enhanced energy efficiency and durability Sep. 8, 2009
7417013 Warming and nonirritating lubricant compositions and method of comparing irritation Aug. 26, 2008
7332461 Anionic surfactants Feb. 19, 2008
7285519 Oil production additive formulations Oct. 23, 2007
7273834 Lubricant blends with low brookfield viscosities Sep. 25, 2007
7262155 High octane lubricants for knock mitigation in flame propagation engines Aug. 28, 2007
7071150 Biodegradable lubricating composition and uses thereof, in particular in a bore fluid Jul. 4, 2006
7053028 Grease and grease sealed bearing May. 30, 2006
7015178 Lube base oil composition Mar. 21, 2006
7008909 Alpha branched esters for use in metalworking fluids and metalworking fluids containing such esters Mar. 7, 2006
6887283 Process for producing biodiesel, lubricants, and fuel and lubricant additives in a critical fluid medium May. 3, 2005
6818026 Process for producing fatty acid esters and fuels comprising fatty acid ester Nov. 16, 2004
6780209 Partially dehydrated reaction product process for making same, and emulsion containing same Aug. 24, 2004
6774094 Drag reduction using fatty acids Aug. 10, 2004
6759374 Composition comprising lubricious additive for cutting or abrasive working and a method therefor Jul. 6, 2004
6750183 Lubricating oil composition Jun. 15, 2004
6713438 High performance engine oil Mar. 30, 2004
6710021 Non-staining, active metal-working fluid Mar. 23, 2004
6667284 Lubricant for magnetic recording medium and use thereof Dec. 23, 2003
6653263 Fluorine-containing lubricants Nov. 25, 2003
6649574 Biodegradable non-toxic gear oil Nov. 18, 2003
6627584 Automatic transmission fluid additive comprising reaction product of hydrocarbyl acrylates and dihydrocarbyldithiophosphoric acids Sep. 30, 2003
6562767 Process for producing a lubricant coated laquered wire used for forming the stator winding of an electrical refrigerating compressor May. 13, 2003
6407272 Secondary alcohol esters of hydroxyacids and uses thereof Jun. 18, 2002
6346504 Lubricant Feb. 12, 2002
6319881 Haze free oil additive compositions containing dispersants from selectively hydrogenated diene copolymers Nov. 20, 2001
6303548 Partly synthetic multigrade crankcase lubricant Oct. 16, 2001
6187724 Lubricant composition and magnetic recording medium using the same Feb. 13, 2001
6136759 Additive composition Oct. 24, 2000
6130190 Liquid crystal and surfactant containing lubricant compositions Oct. 10, 2000
6127324 Lubricating composition containing a blend of a polyalkylene glycol and an alkyl aromatic and process of lubricating Oct. 3, 2000
6117827 Biodegradable lubricant base oil and its manufacturing process Sep. 12, 2000
6051538 Pour point depression of heavy cut methyl esters via alkyl methacrylate copolymer Apr. 18, 2000
6028038 Halogenated extreme pressure lubricant and metal conditioner Feb. 22, 2000
6018063 Biodegradable oleic estolide ester base stocks and lubricants Jan. 25, 2000
6008167 Lubricant Dec. 28, 1999
6004911 Processing oil suitable for aluminum materials and removable via heating Dec. 21, 1999
5962381 Fuel economy additive and lubricant composition containing same Oct. 5, 1999
5942473 Solid magnet wire winding lubricants Aug. 24, 1999
5942474 Two-cycle ester based synthetic lubricating oil Aug. 24, 1999
5863873 Fuel economy additive and lubricant composition containing same Jan. 26, 1999
5858933 Surfactant-free lubricant for coating moving webs Jan. 12, 1999
5827805 Condensates of alkyl phenols and glyoxal and products derived therefrom Oct. 27, 1998
5783528 Synthetic lubricant based on enhanced performance of synthetic ester fluids Jul. 21, 1998
5767046 Functionalized additives useful in two-cycle engines Jun. 16, 1998
5750479 Enclosed fluid system conditioner and process therefor May. 12, 1998
5750046 Refrigerant system lubricant and method May. 12, 1998
5716911 Method for reducing friction and wear of rubbing surfaces using anti-wear compounds in gaseous phase Feb. 10, 1998
5713965 Production of biodiesel, lubricants and fuel and lubricant additives Feb. 3, 1998

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