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

Icon_funbox Quotables

"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "

Mark Twain ; Christmas greetings, 1890

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 508/563 - Benzene ring bonded directly to the nitrogen


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 nitrogen is bonded directly to
No. of patents: 72
Last issue date: 02/07/2012


1    
NumberTitleIssue Date
8110532Antioxidant compositions
The invention relates to antioxidant compositions for lubricants and organic polymers comprising a first antioxidant comprising a reaction product of p-cresol, dicyclopentadiene and isobutylene; and a second antioxidant comprising a diarylamine. The first antioxidan...
02/07/2012
8030259Alkylated PANA and DPA compositions
The invention relates to a composition comprising a mixture of alkylated N-α-naphthyl-Nphenylamine (PANA) and alkylated diphenylamine (DPA), the product obtainable by alkylating PANA or a mixture of PANA and DPA with alkenes and the process for alkylating PANA or a...
10/04/2011
7569526Anti-oxidants in soluble oil base for metal working fluids
Disclosed herein is a method for reducing the oxidative and biological degradation of a metalworking fluid comprising adding thereto at least one antioxidant and at least one biocide. ...
08/04/2009
7413682Antioxidants and methods of making antioxidants
Antioxidants for industrial, automotive, and aviation lubricants and methods of making the same are provided. A process using alkylated diphenylamines; alkylated phenyl-α-naphthyl amines; and a metal catalyst to form oxidates is provided. The metal catalyst is a co...
08/19/2008
7176168Lubricant containing a synergistic combination of rust inhibitors, antiwear agents, and a phenothiazine antioxidant
The present invention describes an improved lubricant composition comprising a particularly effective combination of components comprising ashless antiwear and rust inhibitor additives with an antioxidant liquid mixture formed by reacting an olefin with a mixture of...
02/13/2007
6967189Buffered lubricant for conveyor system
A method of lubricating a moving surface is herein described wherein the lubricant composition contains a fatty acid, a neutralization agent, a pH buffer, and a carrier. Also described are compositions in both concentrate and dilute form. The compositions may also c...
11/22/2005
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
6858567Lubricating oil composition and watch using the same
The first lubricating oil composition of the invention comprises a polyol ester (A) as a base oil, a specific amount of a viscosity index improver (B) and a specific amount of an anti-wear agent (C), and the second lubricating oil composition of the invention compri...
02/22/2005
6852679Lubricating oil composition
A lubricating oil composition having less than 0.2 wt. % sulfur, less than 50 ppm chlorine, less than 50 ppm phosphorus, a NOACK volatility of 15 wt. % or less comprising an organo-molybdenum compound, an overbased calcium or magnesium salicylate, a dispersant and a...
02/08/2005
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
6806241Antioxidant additive compositions and lubricating compositions containing the same
Disclosed are antioxidant compositions comprising of: (1) an organomolybdenum compound; (2) an alkylated diphenylamine; and (3) a sulfur compound selected from the group consisting of: ...
10/19/2004
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
6750184Lubricants with 5-tert.-butyl-4-hydroxy-3-methylphenyl substituted fatty acid esters
The present invention relates to improved lubricant compositions highly resistant to oxidative degradation comprising selected 5-tert.-butyl-4hydroxy-3-methylphenyl substituted fatty acid esters, diphenylamines and zinc dithiophosphates. The compositions as defined ...
06/15/2004
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
6645920Additive composition for industrial fluid
A lubricating oil composition containing in oxidation inhibitor package, a rust inhibitor and metal deactivator is used in industrial fluids. The oxidation package contains alkylated diphenylamines, substituted hydrocarbyl monosulphides and optionally ste...
11/11/2003
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
6534452Long-life lubricating oil with wear prevention capability
An industrial lubricant having wear prevention properties without sacrificing oxidation resistance comprises a major portion of a base oil; an effective amount of a sulfur and phosphorus antiwear compound and an effective amount of an anti-oxidant or mixt...
03/18/2003
6534454Biodegradable vegetable oil compositions
A composition, comprising; (A) at least one triglyceride oil of the formula ##STR1## wherein R1, R2 and R3 are aliphatic hydrocarbyl groups containing from about 7 to about 23 carbon atoms and (B) an antioxidant comprising an ...
03/18/2003
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
6503871Power steering fluid additive
A fluid power steering gear (10) comprises a housing (16). A power steering fluid (34) is disposed within the housing (16). A seal (50) contains the power steering fluid (34) within said housing (16). A member (20) extends through the housing (16) and the...
01/07/2003
6426324Lubricant composition
An antioxidant composition suitable for ester fluid lubricants is the reaction product of diphenylamine and N-aryl naphthylamine in the presence of an organic peroxide. The mole ratio of diphenylamine:N-aryl naphthylamine is about 1:1 to about 10:1. This ...
07/30/2002
6383992Biodegradable vegetable oil compositions
A composition, comprising; (A) at least one triglyceride oil of the formula ##STR1## wherein R1, R2 and R3 are aliphatic hydrocarbyl groups containing from about 7 to about 23 carbon atoms; (B) a pour point depressant comp...
05/07/2002
6339051Diesel engine cylinder oils
Diesel engine cylinder oils of improved cleanliness and load carrying ability and reduced port deposit characteristics for use in marine and stationary slow speed diesel engines are based on medium heavy Group I or Group II neutral base oils, typically fr...
01/15/2002
6315925Nonylated diphenylamines
The invention relates to a mixture of nonylated diphenylamines, especially dinonylated diphenylamines, and to a technically advantageous methodological process for the preparation of that mixture by using acid catalysts in small quantities. The mixture is...
11/13/2001
6174842Lubricants containing molybdenum compounds, phenates and diarylamines
There is disclosed a lubricating oil composition which contains from about 50 to 1000, preferably 50 to 500 parts per million of molybdenum from a molybdenum compound which is oil-soluble and substantially free of reactive sulfur, about 1,000 to 20,000, p...
01/16/2001
6159910Aluminum nitride composition
An aluminum nitride composition including an aluminum nitride powder and an aromatic amine-based condensate is provided. In the composition, the aluminum nitride may hardly undergo decomposition even under severe conditions of high temperature and high hu...
12/12/2000
6150309Lubricant formulations with dispersancy retention capability (law684)
The use of oil soluble organo molybdenum compounds in combination with phenolic or amenic antioxidants has been found to improve the dispersancy retention capability of crankcase lubricants. Thus in one embodiment the present invention comprises improving...
11/21/2000
6143702Lubricating oils of enhanced oxidation stability containing n-phenyl-naphthyl amines, or substituted derivatives of n-phenyl naphthyl amine and carbodiimide acid scavengers
Lubricating oils of enhanced oxidation stability are obtained by adding to the lubricating oil a mixture comprising n-phenyl-1-naphthyl amine and an acid scavenger such as carbodiimide....
11/07/2000
6121209Synergistic antioxidant systems
The invention provides synergistic combinations of phosphorus acid-containing compounds with ashless antioxidants. These combinations dramatically improve the oxidation stability of lubricating compositions, particularly power transmission fluids such as ...
09/19/2000
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
5994277Lubricating compositions with improved antioxidancy comprising added copper, a molybdenum containing compound, aromatic amine and ZDDP
Crankcase lubricant compositions for use in automobile or truck engines comprise a major amount of a lubricating oil, added copper present in oil-soluble form, at least 2 ppm of molybdenum present in oil-soluble form, and a total of from 0.05 to 2 mass % ...
11/30/1999
5972854Lubricating oil composition for automatic transmission
Disclosed is a lubricating oil composition for automatic transmissions, which comprises a base oil and additives of (A) a sulfur-containing antioxidant or an amine-type antioxidant, (B) a phosphate or its amine salt, and (C) a reaction product of a carbox...
10/26/1999
5958286Automatic transmission fluid composition
An automatic transmission fluid composition is provided which has significantly higher coefficients of dynamic friction (μd) and static friction (μs) than those of the conventional automatic transmission fluid. In addition, the composition has a μo/μd...
09/28/1999
5955403Sulphur-free, PAO-base lubricants with excellent anti-wear properties and superior thermal/oxidation stability
A sulfur free lubricating composition comprises a major portion of a synthetic base lubricating oil and a minor portion of a tri(alkyl phenyl) phosphate or di(alkylphenyl)phosphoric acid antiwear agent, an amine antioxidant a substituted succinamide rust ...
09/21/1999
5880073Lubricating oil composition
A lubricating oil composition comprising (A) a base oil containing 3% by weight or less of aromatics, 20% by weight or more of monocyclic naphthenes, 50 ppm by weight or less of N and 50 ppm by weight or less of S, having a viscosity (100° C.) of 2 to 50...
03/09/1999
5840667Bleach activators
A bleach composition comprises a peroxygen bleach source (for instance hydrogen peroxide, a perborate or a percarbonate salt) and an activator of the formula I: ##STR1## in which X is O or S; one of E and G is --A-- and the other is --N(R2
11/24/1998
5756430Mist oil lubricant
Mist oil lubricants are disclosed based on polycarboxylic acid esters as the base oil which have added 1 to 5% of polyisobutylene Mn 400-2500 as stray mist suppressants....
05/26/1998
5747432Press molding oil and method of manufacturing press-molded products by using the same
In pressing and molding a shadow mask or the like, press-molding oil containing alkyl carbonate shown in the following Chemical Formula as an active ingredient is coated on a press mold. After pressing and molding a metallic material with the press mold, ...
05/05/1998
5738693Detection of naphthylamines in mineral oils
A method for detecting naphthylamines which are present as tracers in mineral oils, wherein the naphthylamine is extracted by treating the mineral oil with an aqueous medium, and is coupled in the aqueous phase with a diazonium salt to form an azo dye, th...
04/14/1998
1    
 
Sign InRegister
Username  
Password   
forgot password?