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

Icon_funbox Famous Patents

Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.

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 252/74 - Metal compounds or inorganic components (except water)


Subclass of Class 252 - Compositions
Definition: Compositions which contain metals, compounds thereof, inorganic
No. of patents: 222
Last issue date: 04/19/2011


1            
NumberTitleIssue Date
7927505Glycerin-containing antifreezing agent concentrates with corrosion protection
The present invention relates to antifreeze/anticorrosion concentrates comprising from 10 to 50% by weight, based on the total amount of the concentrate, of glycerol, to processes for preparing such concentrates from superconcentrates, to aqueous coolant composition...
04/19/2011
7435359Corrosion inhibiting heat transfer materials
An anti-corrosion composition for use with a liquid or the liquid resulting from the addition of components is provided. The composition can include an acid, a phosphate ester of an alcohol, an inorganic phosphate, a salt of polyacrylates and a salt of an organophos...
10/14/2008
7407599Acid based antifreeze composition
The present invention relates to a carboxylic acid based antifreeze coolant formulation for heavy duty applications such as for diesel engines which may be used for inhibition and prevention erosion and corrosion of aluminum and the corrosion of other metals exposed...
08/05/2008
7404911Heat-transfer media having improved thermal stability and based on higher polyglycols
The present invention relates to heat-transfer concentrates for solar installations, containing a) from 92 to 99% by weight of at least one polyglycol of the formula R—O—(CH2—CH2—O)n—H, in which n is an integer...
07/29/2008
7381346Thermal interface material
A thermal interface material is for being applied to the contact surfaces to eliminate the air interstices between the heat dissipating apparatus and the electronic component in order to improve heat dissipation of the electronic component. The thermal interface mat...
06/03/2008
7374698Nanometer heat-conducting water solution for use in car cooling system
A nanometer heat-conducting water solution for use in a car cooling system is disclosed. The nanometer heat-conducting water solution is formed by mixing a AlO2 solution (1.1 vol %) having 3-10 nanometer scale materials with a TiO2 solution (1....
05/20/2008
7324343Thermally conductive holder
The present invention provides a thermally conductive holder for holding a heat-generating component. The thermally conductive holder comprising a material formed from a thermally conductive composition. The thermally conductive composition includes a silicone rubbe...
01/29/2008
7316778Staged oil filter incorporating pelletized basic conditioner
An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element having a reactive basic conditioner therein. The reactive basic conditioner is provided to counterac...
01/08/2008
7311842Lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for the selective removal of phosphate and arsenic anionic contaminants from aqueous solutions
A lignocellulose-based anion-adsorbing medium (LAM) and process for making and using same for selectively removing phosphates and arsenic contaminants from aqueous solutions is disclosed. Making the LAM comprises (a) dissociating cations such as Fe and Al, from thei...
12/25/2007
7309452Phenolate-containing formulation with low freezing point
The present invention discloses an aqueous phenolates-containing liquid formulation having a solidification point of less than or equal to −10° C. which is characterized by comprising the following components: a) 50-80% by wt. o...
12/18/2007
7306750Carboxylate salts in heat-storage applications
The application of carboxylate salts for storing thermal energy is disclosed. The invention is directed to methods for the storage and use of thermal energy comprising contacting mixtures of alkali metal salts or alkali earth metal salts of carboxylic acids, storing...
12/11/2007
7291264Staged oil filter incorporating additive-releasing particles
An improved oil conditioning filter, for use with an internal combustion engine, includes a mechanically active filter element and a chemically active filter element containing a beneficial additive therein. The beneficial additive is provided to extend the useful l...
11/06/2007
7282148Porous silicon composite structure as large filtration array
A novel asymmetric filter membrane, and process for making is disclosed in several exemplary versions. The membrane structure is physically robust and suitable for use in a wide variety of applications. The support membrane is may be comprised of material such as a ...
10/16/2007
7276184Surfactant assisted nanomaterial generation process
A process for the preparation of nanoscale particulate material is described comprising: (i) combining one or more functional material to be precipitated as nanoscale particles and one or more surface active material in a compressed CO2 phase with a densi...
10/02/2007
7270766Feed water composition for boilers
“Disclosed is a feed water composition for boilers whose main ingredient is a purified ethylene glycol aqueous solution that is a mixture of purified ethylene glycol and pure water in a weight ratio of 70-90 : 10-30 wt %. The feed water composition comprises 92.1 ...
09/18/2007
7270768Environmentally benign anti-icing or deicing fluids employing triglyceride processing by-products
Deicing compositions comprised of glycerol-containing by-products of triglyceride processing processes are disclosed. ...
09/18/2007
7258814Coolant composition and methods of use thereof
The present invention provides a coolant composition having a glycol as a main component, which prevents iron and aluminum from being corroded, and in particular, has excellent corrosion preventing properties for aluminum and aluminum alloys at high temperatures, an...
08/21/2007
7255808Functional fluid compositions containing erosion inhibitors
A phosphate ester-based functional fluid composition incorporating at least one erosion inhibitor selected from the erosion inhibitors of the invention. The phosphate ester-based functional fluids are particularly useful as aviation hydraulic fluids. ...
08/14/2007
7244372Method for increasing stability of cooling fluid for engine
The present invention relates to a method for increasing the stability of cooling fluid for the engine. This invention selects the most preferred conditions, e.g. the composition of the solution, pH value, means and amount of addition, and proportion of silicate add...
07/17/2007
7179485Hollow capsule having a wall permeable to water or an aqueous solution
This invention discloses, as an article of manufacture, a capsule having a hollow interior and an enclosing wall, referred to as a membrane. The membrane is not soluble in water, but is permeable to water or an aqueous solution. The membrane is comprised of a first ...
02/20/2007
7141102Antifreeze solution and rust inhibitor added thereto
An object of the present invention is to provide an antifreeze solution which is used by adding it to a heating medium of a heat exchanger or a radiator coolant for an internal combustion car engine, which can be used to prevent the icing of road surfaces, which is ...
11/28/2006
7094383Method for preparing pure, thermally stable and high surface area ceria
A method for the preparing pure, thermally stable and high surface area ceria is described, wherein the ceria maintains a surface area of 12 m2/g after calcination at 980° C. in air for 4 hours. In the method, an aqueous solution containing Ce3+
08/22/2006
7091303Oil soluble hyperbranched polyesteramides
The invention relates to a method to produce a modified hyperbranched polyesteramide, containing at least two β-hydroxylamide ester groups and optionally also a hydroxyalkylamide endgroup, wherein (a) a hydroxy-, or aminefunctional monomer, oligomer or polymer is c...
08/15/2006
7074490Thermally conductive phase change materials
A phase change composition comprises: a matrix comprising an organofunctional silicone wax, and a thermally conductive filler. The composition can be used as a thermal interface material in electronic devices. The composition is formulated to have any desired phase ...
07/11/2006
7048875High oleic acid oil compositions and methods of making and electrical insulation fluids and devices comprising the same
High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; and having ...
05/23/2006
7037451Chemical-mechanical planarization slurries and powders and methods for using same
Chemical-mechanical planarization slurries and methods for using the slurries wherein the slurry includes abrasive particles. The abrasive particles have a small particle size, narrow size distribution and a spherical morphology and the particles are substantially u...
05/02/2006
7016196Radiating structural body of electronic part and radiating sheet used for the radiating structural body
A heat dissipating structure for a heat generating electronic component is characterized by comprising a heat dissipating sheet including a metal sheet and a heat conductive member having adhesion stacked thereon between the heat generating electronic component and ...
03/21/2006
7001531Sustained release coolant additive composition
A coolant additive composition comprising a sustained release component and an additive component, the additive component is effective to provide at least one benefit to a coolant when released into the coolant, the sustained release component includes a polymeric m...
02/21/2006
6994798Phenolate-containing formulation with low freezing point
The present invention discloses an aqueous phenolates-containing liquid formulation having a solidification point of less than or equal to −10° C. which is characterized by comprising the following components: a) 50–80% by wt....
02/07/2006
6953534Engine antifreeze composition
In general this invention relates to an antifreeze composition that can be used in the cooling systems of internal combustion engines, for example, in heavy-duty diesel engines, light duty trucks and cars. The antifreeze composition can be added to water or other su...
10/11/2005
6946190Thermal management materials
A thermally-conductive compound for forming a layer which is conformable between a first heat transfer surface and an opposing second heat transfer surface to provide a thermal pathway therebetween. The compound is an admixture of a thermal grease component and a di...
09/20/2005
6918820Polishing compositions comprising polymeric cores having inorganic surface particles and method of use
This invention relates generally to compositions and methods for removing adherent materials and polishing surfaces. In one embodiment, the method employs an improved media comprising core-shell particles. The media can be applied to microelectronic objects of manuf...
07/19/2005
6916430Superconducting heat transfer medium
This is a superconducting heat transfer medium which may be placed in a a conduit to rapidly and efficiently transfer heat. ...
07/12/2005
6896824Heat-softening heat-radiation sheet
A heat-softening heat-radiation sheet including a polyolefin-based heat-conductive composition which comprises a polyolefin and a heat-conductive filler, has a softening point of 40° C. or above, has a thermal conductivity of 1.0 W/mK or higher, has a viscosity at ...
05/24/2005
6881355Antifreeze
The present invention relates to antifreeze concentrates comprising a) from 0.05 to 10% by weight of one or more sulfonated or sulfated polyglycols of the formula R—(O)l-(A-O)m—(CH2)k—SO3
04/19/2005
6869642Phase change thermal interface composition having induced bonding property
An improved, more durable heat conductive composition for transferring heat from a heat-dissipating component to a heat dissipater and method of producing the same. The composition preferably comprises a base consisting of paraffin and, optionally, paraffin and petr...
03/22/2005
6843931Environmentally benign anti-icing or deicing fluids
The present invention provides deicing compositions which are environmentally benign, a process for producing the composition from certain waste process streams, and methods of deicing and/or anti-icing. ...
01/18/2005
6818146Chemical base for engine coolant/antifreeze with improved thermal stability properties
A nontoxic fuel cell engine coolant which has an electrical resistivity of greater than 250 kOhm-cm, a boiling point of greater than 90° C., a freezing point of less than −40° C., a thermal conductivity of greater than 0.4 W/m-k, a viscosity of less than 1 cPs a...
11/16/2004
6751004Optical system with magnetorheological fluid
An optical system includes a layer of magneto rheological (MR) fluid having a surface exposed to air or vacuum. The MR fluid has a first state wherein the surface is reflective, and a second state wherein the surface is non-reflective. A magnetic actuator selectivel...
06/15/2004
6733687Hybrid supplemental coolant additive
In general, this invention relates to supplemental coolant additive for use in cooling systems, for example, in diesel engine cooling systems. The supplemental coolant additive includes a C4-C6 dicarboxylic acid, preferably adipic acid, and opt...
05/11/2004
1            
 
Sign InRegister
Username  
Password   
forgot password?