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

Icon_funbox Bizarre Patents

Patent No. 5285430

Behavior Modification Wristwatch

A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.

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 508/578 - Carbocyclic ring bonded directly to the carbon of a carbonyl group (e.g., phenyl ketones, anthraquinones, 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 a carbonyl group, -C(=O)-,
No. of patents: 30
Last issue date: 04/15/2008


NumberTitleIssue Date
7358217Quenching oil compositions
Quenching oil compositions comprising (1) an oil having kinematic viscosity (ASTM Test Method D-445) at 40° C. ranging from about 4 to about 45 mm2sec−1 (about 40 to about 210 Saybolt Universal Seconds (SUS)) and having a saturated content from about 80% to about...
04/15/2008
7285516Additive formulation for lubricating oils
Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions. ...
10/23/2007
7238651Process for preparing an overbased detergent
The invention relates to a process for preparing an overbased metal detergent in an oil medium comprising the steps of: (1) providing a metal salt selected from the group consisting of a hydrocarbyl-substituted organic acid; a hydrocarbyl-substituted phenol, a phena...
07/03/2007
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
6764982Lubricating oil composition
This invention relates to a lubricating oil composition, comprising: (A) a base oil; and a phosphorus-containing compound represented by the formulae wherein in Formulae (B-I) and (B-II), R1, R2 and...
07/20/2004
6750183Lubricating oil composition
Lubricating oil compositions providing superior soot dispersing characteristics, which contain a combination of a high molecular weight dispersant and a soot dispersant comprising a linked aromatic oligomer. ...
06/15/2004
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
6583092Lubricating oil composition
This invention relates to a lubricating oil composition, comprising: (A) a base oil; (B) an alkali or alkaline earth metal salt of a saligenin derivative; (C) an alkali or alkaline earth metal salt of a hydrocarbon-substituted salicylic acid, and (D) a me...
06/24/2003
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
6340658Vegetable-based transformer oil and transmission line fluid
A vegetable oil-based electrically-insulating fluid. This fluid is environmentally-friendly and has a high flash point and a high fire point. The base oil is hydrogenated to produce maximum possible stability of the oil, or alternatively, is a higher olei...
01/22/2002
6331510Synthetic 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...
12/18/2001
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
6245726Soybean based transformer oil and transmission line fluid
A soybean oil based electrically insulating fluid with a high flash point and a high fire point. The base oil is hydrogenated to produce maximum possible stability of the soybean oil, and can be winterized to remove crystallized fats and improve the pour ...
06/12/2001
6207626Soybean based transformer oil and transmission line fluid
An environmentally prefered biobased soybean oil based electrically insulating fluid with a high flash point and a high fire point. The base oil is hydrogenated to produce maximum possible stability of the soybean oil, and can be winterized to remove crys...
03/27/2001
6207624Engine oil having dispersant and aldehyde/epoxide for improved seal performance, sludge and deposit performance
Disclosed is a lubricating composition having a major amount of an oil of lubrication viscosity and a minor amount of (A) a nitrogen containing dispersant with a total base number of from 20 to 160 on an oil-free basis wherein the improvement comprises ad...
03/27/2001
6159913Soybean based transformer oil and transmission line fluid
A biodegradable soybean oil based electrically insulating fluid. The base oil is hydrogenated to produce maximum possible stability of the soybean oil, and can be winterized to remove crystallized fats and improve the pour point of the base oil without th...
12/12/2000
5990056Compositions containing an organo-substituted benzophenone
A lubricant, fuel or other composition comprising an organo-substituted benzophenone in which the latter compound acts as a lubricant base stock, a blend stock, an additive solubility enhancer and/or a deposit reducing agent, and is defined as having at l...
11/23/1999
5958851Soybean based transformer oil and transmission line fluid
A biodegradable soybean oil based electrically insulating fluid. The base oil is hydrogenated to produce maximum possible stability of the soybean oil, and can be winterized to remove crystallized fats and improve the pour point of the base oil without th...
09/28/1999
5401433Working fluid composition having ketone-containing compound for use in refrigeration system
A working fluid composition for use in a refrigeration system which comprises a refrigerating oil comprising a compound having one or more ketone groups in the molecular structure as a base oil and a hydrofluorocarbon....
03/28/1995
5254274Alkylaromatic lubricant fluids
Aromatic compounds are alkylated with C20 -C1300 olefinic oligomers using an acidic alkylation catalyst to produce alkylated aromatic products, usually alkylaromatic hydrocarbons. The olefinic oligomers used as alkylating agents are ...
10/19/1993
5104559Hydrogen perfluoroalkylaromatic ethers and related compositions and methods
A lubricating compound having the structure: R1 --Rf --O--Ar--R2 wherein R1 is a monovalent radical selected from the group consisting of fluoride, unsubstituted aryloxys, substituted aryloxys, unsubstituted arylthio...
04/14/1992
5021178Acylation of lower olefin oligomers
Oligomers produced from lower alkenes by acidic zeolite catalyzed oligomerization can be converted to useful lubricant additives or lubricants by acylation of olefinic bonds in the oligomers, whereby oligomers containing alpha, beta unsaturated ketone str...
06/04/1991
4897211Synthetic lubricant for lubricating thin film and magnetic recording medium
A synthetic lubricant comprising a compound represented by the following general formula (I): ##STR1## wherein Rf and Rf' represent a fluorine-containing polyoxyalkylene group, X and X' a polar group, Y of one or more selected from the group con...
01/30/1990
4764290Identification 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
4757145Fluoropolyethers containing end groups endowed with anchoring capacity
Compounds suitable for being used as lubricants, having general formula: or where R=--CF3, --C2 F5, --C3 F7 X=F, --CF3 R"=F, --CF3, --C2 F5 m=an integer from 3 to 100 n=a ...
07/12/1988
4569778Water-based hydraulic fluid compositions containing selected two-component anti-wear agents
Disclosed is an improved water-based hydraulic fluid composition which comprises an aqueous composition having a viscosity of at least 5 centistokes at 40° C. which contains up to about 95 percent by weight of water, at least 0.1 percent by weight of a c...
02/11/1986
4383931Lubricating oils containing molybdenyl chelates
The antifriction properties of a lubricating oil are enhanced by the addition of a minor amount of an oil-soluble molybdenyl bis-ଲ-diketonate. The antifriction properties are particularly enhanced when the molybdenyl bis-ଲ-diketonate is used i...
05/17/1983
4216100Pentaerythritol-fatty acid ester lubricant composition
Lubricating oil composition comprising a major portion of an aliphatic ester base oil having lubricating properties formed from the reaction of pentaerythritol and an organic monocarboxylic acid containing (a) from about 0.005 to 0.20 percent of a 2,5-bis...
08/05/1980
4081389Lubricant composition containing a triketone
A lubricant containing compounds of the general formula: ##STR1## where R1 and R2 are hydrogen or hydrocarbyl....
03/28/1978
4018693Transformer oils
The transformer oils of improved resistivity are prepared by adding an effective quantity of a carbonyl containing compound particularly an aldehyde or ketone to a conventional transformer oil....
04/19/1977
 
Sign InRegister
Username  
Password   
forgot password?