Wickliffe, OH, United States
Wickliffe, OH, United States

The Lubrizol Corporation is a provider of specialty chemicals for the transportation, industrial, and consumer markets. These products include additives for engine oils and other transportation-related fluids, additives for industrial lubricants, and additives for gasoline and diesel fuel. In addition, Lubrizol makes ingredients and additives for personal care products and pharmaceuticals, specialty materials, including plastics technology, and coatings in the form of specialty resins and additives. In 2007, the company was listed as 512 on the Fortune 1000. It has since moved up to 453 on the 2010 list.On the basis of 2010 profitability metrics, total shareholder return and earnings per share growth, Lubrizol was the top performing company among the 16 chemical companies that are on the Fortune 500.As of May 2011, the company was ranked at 1220 in the Forbes Global 2000 list, based on a combination of revenues, net income, assets and market value.On March 14, 2011, Berkshire Hathaway announced an agreement to purchase Lubrizol for US$9.7 billion. This happened just weeks after a top Berkshire executive David Sokol made a major bet on the stock price with his own money.On April 3, 2014, Lubrizol announced setting up of USD 50 million compound manufacturing unit in Dahej, Gujarat. This will be Warren Buffett's first investment in India. Wikipedia.


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Patent
Lubrizol Corporation | Date: 2017-02-01

The present invention relates to a lubricating composition comprising an oil of lubricating viscosity and a (thio)phosphate salt of an amine-functionalized esterified copolymer, wherein the esterified copolymer comprises units derived from monomers: (i) an -olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof, that are esterified with an alcohol, or mixtures thereof, and wherein at least a portion of carboxylic acid groups not esterified react with an amine. The invention further provides for a lubricating composition containing said copolymer. The invention further provides a method and use of lubricating composition in a mechanical device.


Patent
Lubrizol Corporation | Date: 2017-02-08

An overbased sulfurized alkaline earth metal alkylphenate is prepared by reacting an alkylphenol with an alkaline earth metal hydroxide or an alkaline earth metal oxide and sulfur in the presence of an alkylene glycol or dialkylene glycol, or ether thereof and in the presence of an oil of lubricating viscosity, and optionally further reacting the product thereof with carbon dioxide; thereby forming a sulfurized alkaline earth metal alkylphenate composition in oil. The composition is heated and subjected to steam stripping followed by filtration. The resulting product exhibits an improved rate and efficiency of filtration.


Patent
Lubrizol Corporation | Date: 2017-03-15

The invention provides a lubricant composition comprising an oil of lubricating viscosity and 0.01 wt % to 15 wt % of a (thio)phosphoric acid salt of an N-hydrocarbyl-substituted gamma- (-) or delta- amino(thio)ester. The invention further relates to a method of lubricating a mechanical device with the lubricant composition.


Patent
Lubrizol Corporation | Date: 2017-03-15

A lubricant composition comprising an oil of lubricating viscosity and an N- hydrocarbyl-substituted -aminoester or -aminothioester provides exhibits basicity and good seal performance. In certain embodiments the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain.


Patent
Lubrizol Corporation | Date: 2017-01-18

The invention provides a method of lubricating an internal combustion engine equipped with a centrifugal oil mist separator, wherein the lubricant contains 0.1 wt % to 8 wt % soot resulting from operation of the engine, and wherein the lubricant composition comprises an oil of lubricating viscosity, and 0.2 wt % to 3 wt % of a soot dispersing additive, wherein the soot dispersing additive comprises a polymer chain having a number average molecular weight of 500 to 20,000, and wherein the soot dispersing additive has a shear stability index of 0 to 20.


Patent
Lubrizol Corporation | Date: 2017-01-18

The invention provides a method of lubricating an internal combustion engine equipped with a centrifugal oil mist separator, wherein the lubricant contains 0.1 wt % to 8 wt % soot resulting from operation of the engine, and wherein the lubricant composition comprises an oil of lubricating viscosity, and 0.2 wt % to 3 wt % of a soot dispersing additive having a shear stability index of 0 to 25, wherein the soot dispersing additive comprises a block copolymer comprising (i) a vinyl aromatic monomer block and (ii), a conjugated diene olefin monomer block.


Patent
Lubrizol Corporation | Date: 2017-04-05

The present technology is related to coupled quaternary ammonium salts, and the use of such coupled quaternary ammonium salts in fuel and oil compositions, or demulsification and/or engine performance of the compositions.


Patent
Lubrizol Corporation | Date: 2017-01-25

A lubricant composition comprising (a) an oil of lubricating viscosity; (b) a (meth)-acrylate-containing polymer comprising a multiplicity of arms containing at least 20 carbon atoms, said arms being attached to a multivalent organic moiety; and (c) an ethylene/olefin copolymer having a weight average molecular weight of about 10,000 to about 250,000, wherein the copolymer comprises about 40 to about 70 weight percent polymerized ethylene monomers and optionally further comprises polymerized propylene monomers; exhibits good viscometric and antiwear properties.


Patent
Lubrizol Corporation | Date: 2017-01-04

An aqueous polymer dispersion with nonionic colloidal stabilization, polyvalent metal ion, coagulating acid, and an optional mono or polyhydric alcohols and/or alkylene-oxide oligomers (humectants or surface tension modifiers), and optional surfactant are disclosed for use as pretreatment for substrates such as textiles and garments.


Patent
Lubrizol Corporation | Date: 2017-04-05

The present technology is related to imidazole containing quaternary ammonium salts and the use of such quaternary ammonium salts in compositions to improve the water shedding performance of the compositions.

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