U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 508/584 - Benzene ring bonded directly to the -OH group (i.e., beta-naphthol, etc.)


Subclass of Class 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
Definition: Compositions wherein the -OH group is bonded directly to
No. of patents: 71
Last issue date: 03/01/2011


1    
NumberTitleIssue Date
7897552Additives and lubricant formulations for improved antioxidant properties
A lubricating oil composition, additive concentrate, method of lubricating moving parts, a method of improving the oxidation stability of a lubricant formulation. The lubricating oil composition includes a base oil, a hydrocarbon soluble molybdenum compound, and an ...
03/01/2011
7214648Lubricant and additive formulation
An engine lubricant formulated as a complete crankcase motor oil or additive concentrate composed of a combination of chemical constituents including a base oil selected from a synthetic oil, a mineral oil or semi-synthetic base oil (hydrogenated oil) or combination...
05/08/2007
7214307White oil from waxy feed using highly selective and active wax hydroisomerization catalyst
A composition of white oil having a kinematic viscosity at 100° C. between about 1.5 cSt and 36 cSt, a viscosity index greater than an amount calculated by the equation: Viscosity Index=28×Ln(the Kinematic Viscosity at 100° C.)+105, less than 18 weight percent of...
05/08/2007
7166562Long life gas engine oil and additive system
A gas engine oil of enhanced life as evidenced by a reduction in viscosity increase, oxidation, nitration. TAN increase, and TBN depletion comprises a major amount of a base oil of lubricating viscosity and at minor amount of a phenolic anti oxidant and a viscosity ...
01/23/2007
7163911Carboxylated detergent-dispersant additive for lubricating oils
The present invention provides a novel unsulfurized, carboxylate-containing additive for lubricating oils, comprising a mixture of alkaline earth metal salts (hydrocarbyl phenate/hydrocarbyl salicylate) and a reduced amount of unreacted hydrocarbyl phenols, as well ...
01/16/2007
7037955Additives and methods for reducing odor
Additives and methods for reducing or eliminating odor in oil based media. The additives comprise an essential oil, an essential oil component, or mixtures thereof. ...
05/02/2006
7018958Lubricating oil compositions
A lubricating oil composition having a total base number of at least about 8, comprising a major amount of oil of lubricating viscosity; an amount of one or more dihydrocarbyl dithiophosphate metal salt introducing into the lubricating oil composition no more than 0...
03/28/2006
6872693Mineral gear oils and transmission fluids
This invention relates to mineral oil based gear oils and transmission fluids which comprise a major amount of a mineral oil having an iodine number of less than 9 and where at least 55% of the saturates are aliphatic, and gear oil or transmission fluid additives. I...
03/29/2005
6858569Cutting or grinding oil composition
Cutting or grinding oil compositions which are suitable for use in a minimal quantity lubrication system in which a minimal quantity of an oil is supplied to the spot to be cut or ground of a work, together with air are reduced in stickiness and improved in lubricit...
02/22/2005
6852680Dithiocarbamates containing alkylthio and hydroxy substituents
This invention relates to a low cost, wear inhibitor containing novel dithiocarbamates with alkylthio and hydroxy substituents that can be used to formulate low phosphorus lubricants. In addition to wear inhibition, the dithiocarbamate compositions of the invention ...
02/08/2005
6844301Lubricating compositions
A synthetic ester-containing lubricant with good soot-handling and, with friction modifier, viscosity modifier and antioxidant present, improved engine performance and cleanliness. ...
01/18/2005
6833484Inhibiting oxidation of a Fischer-Tropsch product using petroleum-derived products
The present invention relates blended hydrocarbonaceous products comprising Fischer Tropsch derived products that resist oxidation and to methods of inhibiting oxidation in Fischer Tropsch products. The present invention also relates to Fischer Tropsch products cont...
12/21/2004
6825154Crystal formation inhibition in lubricating compositions
Lubricating oil formulations comprising base oil, sulfur-phosphorous anti-wear/extreme pressure agents and hindered phenol antioxidants which anti-wear/extreme-pressure agents and hindered phenolic antioxidants are prone to crystal formation wherein the base oil is ...
11/30/2004
6797677Antioxidant combination for oxidation and deposit control in lubricants containing molybdenum and alkylated phenothiazine
The invention relates to a lubricating oil composition having improved antioxidant properties, and which contains a molybdenum compound and an alkylated phenothiazine. Further, it may also include a secondary diarylamine, preferably an alkylated diphenylamine. This ...
09/28/2004
6794341Peak torque lowering composition, part with sliding part using the composition, and press-fitting method using the composition
The peak-torque descending composition of the present invention contains a certain amount of an extreme pressure agent comprising at least neutral phosphate esters and/or neutral phosphite esters in a solvent comprising hydrocarbons and/or ethers. Further, a certain...
09/21/2004
6759372Friction control composition with enhanced retentivity
According to the invention there is provided a liquid friction control composition with enhanced retentivity comprising an anti-oxidant. The liquid friction control composition may also comprise other components such as a retentivity agent, a rheological control age...
07/06/2004
6720294Lubricating oil compositions
A lubricating oil composition comprising, as a detergent, metal salt of a long chain hydrocarbyl-substituted organic acid, at a concentration of not more than 15 mmol/kg oil. ...
04/13/2004
6706672Engine lubricant using molybdenum dithiocarbamate as an antioxidant top treatment in high sulfur base stocks
A composition comprising: a high-sulfur API Group I mineral oil base stock; a molybdenum dithiocarbamate in an amount suitable to provide 50 to about 600 ppm molybdenum to the composition; a succinimide dispersant based on a polyolefin-substituted succinic structure...
03/16/2004
6673750Lubricating composition
Disclosed is a lubricating composition such as a lubricant, a lubricating grease, or a rust preventive oil for use in a torque limiter and a ball-and-roller bearing; the lubricating composition having chemical attack resistance for a synthetic resin molde...
01/06/2004
6653263Fluorine-containing lubricants
The invention relates to the use of formulations containing selected fluorinated components for reducing friction between conveyor systems and the containers transported thereon....
11/25/2003
6642188Lubricating oil composition for outboard engines
The lubricating compositions of the present invention are designed for use in a four stroke outboard marine engine and contain an oil of lubricating viscosity, an ashless dispersant, a metal detergent, a rust inhibitor, a relatively high amount of ZDDP, a...
11/04/2003
6642191Lubricating oil additive system particularly useful for natural gas fueled engines
A lubricating oil comprising a major amount of at least one of Group II, III, and IV base oil and a minor amount of 3,5-di-t-butyl 4-hydroxy phenol propionate. A method of making this lubricating oil and a method of lubricating a natural gas engine with t...
11/04/2003
6617288Aqueous compositions containing thiophosphorus esters or their salts with a oxyalkylene group, and methods of using the same
This invention relates to an aqueous composition comprising water, a surfactant or thickener, and at least one metal-free thiophosphorus acid ester, at least one amine salt of the thiophosphorus acid ester, or a mixture thereof, wherein the thiophosphorus...
09/09/2003
6610637Synthetic diesel engine lubricants containing dispersant-viscosity modifier and functionalized phenol detergent
A lubricant containing (a) a synthetic base oil composition having an overall kinematic viscosity of at least about 4.8×10-6 m2 /s (4.8 cSt) at 100° C. and a viscosity index of at least about 110; (b) a dispersant-viscosity modifie...
08/26/2003
6596672Low ash lubricant compositions containing multiple overbased materials and multiple antioxidants
A low sulfate ash lubricating oil composition comprising an oil of lubricating viscosity, 0.1 to 3.0% of a calcium overbased acidic material, 0.1 to 2.0% of a magnesium overbased acidic material, and at least 0.5% of a combination of an alkylene-coupled h...
07/22/2003
6559105Lubricant compositions containing ester-substituted hindered phenol antioxidants
A composition of an antioxidant of the formula ##STR1## where R3 is an alkyl group of 2 to 6 carbon atoms, and a dispersant or a detergent, is a useful additive package for lubricant compositions....
05/06/2003
6521570Automotive lubricant
An automotive lubricant comprising a white oil basestock and one or more additives, at least one additive being an antioxidant. The white oil basestock may be blended with mineral oil and/or synthetic oil basestocks. The lubricant can be used, for example...
02/18/2003
6500789Anti-corrosion lubricant for pollution sensitive uses
An economical lubricant blended from refined bleached deodorized soybean oil, a food grade. additive that confers "tack" or stringiness, and a food grade anti-oxidant. The preferred food grade additive that confers "tack" is FUNCTIONAL V-584 and the prefe...
12/31/2002
6444624Lubricating oil composition
An SAE OW-30 or 5W-30 or 5W-20 lubricant has a Noack volatility of less than 15, optionally an M-111 fuel economy of 1.5% or less, and a chlorine content of less than 100 ppm. The lubricant comprises a basestock containing from 0 to less than 10% Group I ...
09/03/2002
6335310Conductive lubricant for fluid dynamic bearing
There is provided is a conductive lubricant for a fluid dynamic bearing being able to ground static electricity occurring at the fluid dynamic bearing without impairing the performance of the fluid dynamic bearing. This conductive lubricant for a fluid dy...
01/01/2002
6315920Electrical insulating oil with reduced gassing tendency
An electrical oil having reduced gassing tendency includes a major amount of a paraffinic or naphthenic basestock and a blend of certain hindered phenols, especially a blend of 2,6-di-t-butyl phenol and 2,6-di-t-butyl cresol. A further enhanced gassing te...
11/13/2001
6310009Lubricating oil compositions containing saligenin derivatives
A saligenin derivative such as the magnesium salt represented by the formula ##STR1## is useful as an additive for a lubricating composition. Preferably X is --CHO or --CH2 OH, and Y is --CH2 -- or --CH2 OCH2 --...
10/30/2001
6300292Hydraulic oil composition
An object is to provide a hydraulic oil composition which is excellent in oxidative stability, lubricating properties and biodegradability. A hydraulic oil composition comprising vegetable oil with a total degree of unsaturation of 0.3 or less as base oil...
10/09/2001
6262001Unsulfurized, alkali meta-free, additive for lubricating oils
An unsulfurized, alkali metal-free, detergent-dispersant composition having from 40% to 60% alkylphenol, from 10% to 40% alkaline earth alkylphenate, and from 20% to 40% alkaline earth single aromatic-ring alkylsalicylate. This composition may have an alk...
07/17/2001
6214776High stress electrical oil
An oil composition useful as a high stress electrical oil and especially as a transformer load tap changer oil is provided. The composition comprises a major amount of a paraffinic oil having a low viscosity of less than about 20 cSt @ 40° C. and an effe...
04/10/2001
6207627Oxygen-containing organic compounds as boundary lubricants for silicon nitride ceramics
Oxygen-containing compounds, particularly compounds wherein the oxygen is present in OH-groups, such as alcohols, sulfonic and carboxylic acids, or metal salts thereof, serve as lubricants for ceramic materials, particularly silicon nitride materials unde...
03/27/2001
6172014Method of lubricating compression cylinders used in the manufacture of high-pressure polyethylene
Disclosed is an improved method of reducing compressor gas leakage by providing a compression cylinder with a lubricant comprising less than about 1% of a synergistic mixture of antioxidants....
01/09/2001
6083889High temperature, high efficiency electrical and transformer oil
An oil composition useful as an electrical or transformer oil is provided. The composition comprises a major amount of a paraffinic oil having a Cleveland open cup flash point of more than about 200° C. and an effective amount of an additive system inclu...
07/04/2000
6066604Vacuum pump oil
Disclosed is a vacuum pump oil, of which the base oil substantially comprises hydrocarbons having a molecular weight of not smaller than 300, and has a viscosity index of not smaller than 120 and a dynamic viscosity at 40° C. of from 10 to 500 mm2
05/23/2000
6063744Cleaning and lubricant formulation for spindles
A cleaning and lubricant formulation for use on spindles on cotton picker or harvesting machines that simultaneously cleans and lubricates the surface of the spindles. The formulation features a major proportion of water and amounts of unsaturated fatty a...
05/16/2000
1    
 
Sign InRegister
Username  
Password   
forgot password?