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| Number | Title | Issue Date |
| 7871965 | Gear oil having low copper corrosion properties A gear oil additive composition and gear oil composition comprising a organic polysulfide having at least 30 wt % of a dialkyl polysulfide compound or mixture of dialkyl polysulfide compounds, a thiadiazole; and at least one ashless phosphorus-containing wear inhibi... | 01/18/2011 |
| 7260889 | Coating compositions having antiseize properties for disassemblable socket/pin and/or threaded connections The present invention relates to a coating composition comprising a) at least one binder and b) at least one substance which releases gases at elevated temperature, and c) at least one friction-reducing additive. With the aid of the coating compositions of th... | 08/28/2007 |
| 7241723 | Bearing cleaning composition and method of use A composition for cleaning bearings in rotating equipment and industrial machinery that contains powdered limestone having a high calcium content dispersed in a calcium sulfonate grease, together with a colorant that readily enables a user to differentiate between c... | 07/10/2007 |
| 7208451 | IMS detection of chemical markers in petroleum products A method and composition for identifying chemically tagged petroleum products can be achieved by adding one or more chemicals to a selected petroleum product wherein the chemical is immune to extraction from the petroleum product by conventional inexpensive absorben... | 04/24/2007 |
| 7199088 | Lubricating oil for a diesel powered engine and method of operating a diesel powered engine A lubricating oil composition useful for a diesel-powered engine is provided that reduces NOx emissions level produced from a diesel-powered engine. The lubricating oil comprises a base oil and at least one oil-dispersible source of HNCO such as isocyanates. A metho... | 04/03/2007 |
| 6969759 | Colorant compositions Disclosed is a colorant composition of the formula wherein R is an alkyl group, an aryl group, an arylalkyl group, or an alkylaryl group, and wherein R can be joined to the phenyl moiety to form a ring, R′ is an arom... | 11/29/2005 |
| 6846779 | Coating compositions having antiseize properties for a disassemblable socket/pin and/or threaded connections The present invention relates to a coating composition comprising a) at least one binder and b) at least one substance which releases gases at elevated temperature, and c) at one friction-reducing additive. With the aid of the coating compositions of the inve... | 01/25/2005 |
| 6514917 | Molecular tags for organic solvent systems Colorless markers for petroleum products and methods and composition for detecting them.... | 02/04/2003 |
| 6384249 | Compounds and methods for stabilization of furfural compositions Inhibitor compounds containing a moiety according to this invention are used to inhibit air oxidation and thermal polymerization of furfural or furfural derivatives. A process is provided for use of the inhibitors in the solvent refining of lubricating oi... | 05/07/2002 |
| 6130190 | Liquid crystal and surfactant containing lubricant compositions A lubricating composition comprising a liquid crystal and a surfactant is disclosed. The inventive composition increase the lubricity of lubricant oils, reduce the wear rate or metals being lubricated, and increase the load bearing properties of lubricant... | 10/10/2000 |
| 5885942 | Multifunctional lubricant additive The multifunctional lubricant additive compositions of the invention preferably contain a methylene bis(dibutyldithiocarbamate) as an antiwear and extreme pressure additive, a 2,5-dimercapto-1,3,4-thiadiazole derivative as an antioxidant and antiwear addi... | 03/23/1999 |
| 5454961 | Substituted fullerenes as flow improvers The present invention relates to novel compositions that contain a base oil and certain substituted fullerenes effective to improve the cold flow properties of the base oil. Typically the substituted fullerenes have the general formula: CFn (GR... | 10/03/1995 |
| 5409623 | Functionalized graft co-polymer as a viscosity and index improver, dispersant, and anti-oxidant additive and lubricating oil composition containing same A derivatized graft copolymer composition comprising an ethylene alpha-monoolefin copolymer comprising about 15 to about 80 mole % ethylene, about 20 to about 85 mole % of at least one (C3 -C10) alpha-monoolefin and, optionally, 0 to... | 04/25/1995 |
| 5266227 | Oil-soluble phenylazoaniline dyes Azo dyes useful for marking mineral oils have the formula ##STR1## where R1 and R2 are hydrogen, C1 -C4 -alkyl or C1 -C4 -alkoxy, R3 is hydrogen or C1 -C8 -... | 11/30/1993 |
| 5156653 | Silent markers for petroleum, method of tagging, and method of detection Liquid petroleum products are marked with markers having the formula: ##STR1## wherein the R1 's and the R2 's are the same or different and are each selected from --H and C1 -C7 alkyls; provided that at le... | 10/20/1992 |
| 4764290 | Identification marking of oils Hydrophilic dye is added to oil for providing identification to the oil. The dye is dispersed in the oil in the form of polymolecular particles less than 1 mm. in diameter, for example, as an emulsion. Accordingly, the sample of oil may be exposed to a po... | 08/16/1988 |
| 4514226 | Monoazo pyridone colorants A colorant of the formula: ##STR1## wherein R1 R2 and R3 independently of one another are each C1 -C18 -alkyl, C1 -C18 -alkenyl, C4 -C9 -alkoxyalkyl, C... | 04/30/1985 |
| 4049393 | Colored petroleum-derived product Novel disazo colorants or dyes for marking organic liquids, the colorants having the general formula ##STR1## where R1 is H, CF3, or alkyl having from 1 to 4 carbon atoms, R2 is H, or alkyl having from 1 to 4 carbon atoms,... | 09/20/1977 |
| 4022700 | Organic grease thickening agents Azourethane and urea compounds corresponding to the formula ##STR1## WHEREIN R is an aliphatic hydrocarbyl radical, B is oxygen or nitrogen and Ar is an arylene radical, are highly efficacious grease thickening agents.... | 05/10/1977 |
| 4009008 | Colored water immiscible organic liquid Novel disazo colorants or dyes for marking organic liquids, the colorants having the general formula ##STR1## where R1 is H, CF3, or alkyl having from 1 to 4 carbon atoms, R2 is H, or alkyl having from 1 to 4 carbon atoms,... | 02/22/1977 |
