| Patent Number |
Title Of Patent |
Date Issued |
| 7608361 |
Alkali metal battery |
October 27, 2009 |
| A storage battery is provided comprising appositive electrode of lead, a negative electrode of mercury, and an electrolyte consisting of an aqueous solution of a salt of an alkali metal. Upon charging the battery, lead is converted to lead dioxide and the alkali metal forms the amalgam |
| 7577710 |
System and method for prioritizing electronic mail and controlling spam |
August 18, 2009 |
| The present system and method for prioritizing email and controlling spam provides capability to determine the priority of emails received by an addressee. Such emails are designed to alert an addressee of its priority by the number of times the characters of the email address of the |
| 7550231 |
Tin-zinc secondary battery |
June 23, 2009 |
| A rechargeable battery is provided with a positive electrode of tin, a negative electrode of zinc and an alkaline electrolyte. Upon charging, some tin is converted to stannic oxide, and zinc oxide is reduced to zinc. When the battery is discharged, stannic oxide is reduced to stannou |
| 7381847 |
Methyl mercaptan to olefins |
June 3, 2008 |
| A process is disclosed for the production of olefins including ethylene, propylene and butenes from methyl mercaptan. The process comprises a reaction whereby methyl mercaptan decomposes to produce the olefin and hydrogen sulfide. The reaction is carried out at an elevated temperature |
| 7365233 |
Methyl mercaptan process |
April 29, 2008 |
| A process is provide for the production of methyl mercaptan from synthesis gas and hydrogen sulfide. The process comprises the reaction of carbon monoxide with hydrogen and hydrogen sulfide to produce methyl mercaptan and carbon dioxide. The reaction is carried out in the gas phase over |
| 7285689 |
Phenol process |
October 23, 2007 |
| A process is provided for the production of phenol from chlorobenzene. The process comprises a chemical reaction in which chlorobenzene is reacted with an alcohol in the vapor phase to form phenol and the corresponding alkyl chloride. A catalyst is used to promote the reaction. Among the |
| 7276635 |
Methyl halide process |
October 2, 2007 |
| A process is provided for the production of a methyl halide by reacting carbon monoxide, hydrogen, and hydrogen halide over a catalyst to give methyl halide and carbon dioxide. The reaction is carried out under anhydrous conditions by using a ratio of carbon monoxide to hydrogen of 2 |
| 7091391 |
Methane to olefins |
August 15, 2006 |
| The specification discloses a process for the production of olefins, including ethylene, propylene and butenes, from methane, the process comprising first, second and third reaction steps operated in tandem. In the first reaction step, hydrogen chloride, perchloroethylene and oxygen |
| 7090818 |
Carbon disulfide process |
August 15, 2006 |
| The specification discloses a process for the manufacture of carbon disulfide from sulfur dioxide and carbon monoxide comprising two catalytic reactions. In the first reaction, sulfur dioxide and carbon monoxide are converted to carbonyl sulfide and carbon dioxide. In the second reac |
| 7084308 |
Manufacture of formaldehyde from methyl bromide |
August 1, 2006 |
| A process is provided for the manufacture of formaldehyde from methyl bromide. In the process, methyl bromide is oxidized with air over a catalyst to give formaldehyde and hydrogen bromide. In a preferred embodiment of the invention, a mixture of two different catalysts are employed, |
| 6933414 |
Acetone process |
August 23, 2005 |
| A process is provided for the production of acetone from formaldehyde and methyl chloride. In the process formaldehyde is reacted in the vapor phase with methyl chloride to produce acetone and hydrogen chloride. Acetaldehyde may be formed as an intermediate in the reaction. The bypro |
| 6906909 |
A C capacitor |
June 14, 2005 |
| An electrical capacitor is disclosed that includes a mixture of electrically conductive particles and non-conductive particles placed between two parallel conductive plates. The electrically conductive particles are also magnetic. By exposing the mixture of particles to a magnetic fi |
| 6852896 |
Concerted process for the production of an alkenyl substituted aromatic compound |
February 8, 2005 |
| An integrated process of preparing a C.sub.2-5 alkenyl-substituted aromatic compound using a C.sub.6-12 aromatic compound and a C.sub.2-5 alkane as raw materials. The process involves two reaction steps operating in tandem, the first reaction step reacts the C.sub.6-12 aromatic compound |
| 6822123 |
Formaldehyde process |
November 23, 2004 |
| A process is provided for the production of formaldehyde from methyl chloride. In the process methyl chloride is oxidized with air over a catalyst to give formaldehyde and hydrogen chloride. In a preferred embodiment of the invention, a mixture of two different catalysts is used, one |
| 6767528 |
Manufacture of hydrogen chloride from salt and sulfuric acid |
July 27, 2004 |
| The specification discloses a continuous process for producing hydrogen chloride whereby sulfuric acid and an alkali metal chloride are fed to a direct fired reaction chamber in a molar ratio of approximately one to one, products comprising hydrogen chloride and the corresponding alkali |
| 6689263 |
Dimensionally stable electrodes |
February 10, 2004 |
| Dimensionally stable electrodes are fabricated from nitrides of metals in the groups IV B and V B. These electrodes are in the form of particulates for use in bipolar cells. The particulates of these nitrides, which are electrically conductive, are intimately mixed with non-conductive |
| 6545191 |
Process for preparing ethanol |
April 8, 2003 |
| The specification discloses a process for the production of ethyl alcohol (ethanol), the process comprising first and second reaction steps operated in tandem. In the first reaction step, ethyl chloride, hydrogen chloride, perchloroethylene and oxygen are reacted in the presence of a cat |
| 6507477 |
Electrical capacitor |
January 14, 2003 |
| An electrical capacitor is discloses which includes a mixture of electrically conductive and non-conductive particles. The particles are intimately mixed so as to provide a random distribution, and the mixture is placed between two parallel conductive plates to which electrical leads |
| 6418177 |
Fuel pellets for thermonuclear reactions |
July 9, 2002 |
| Fuel pellets for use as targets in a device employing thermonuclear fusion by inertial confinement (Laser fusion) are manufactured from high polymer hydrocarbons in which bound hydrogen has been replaced with tritium. The required polymer is prepared by polymerizing monomer(s) which cont |
| 6391186 |
Electrochemical process for removing ions from solution |
May 21, 2002 |
| An electrochemical process, for removing or modifying ions in solution, incorporates an electrolytic cell comprising a bipolar bed of conductive and non-conductive cell particulate material spaced between two electrodes across which an electrical voltage is applied causing the removal or |
| 6235167 |
Electrolyzer for the production of sodium chlorate |
May 22, 2001 |
| An electrolyzer for the production of sodium chlorate (NaClO.sub.3) from brine, the electrolyzer having four basic components: an electrolysis cell, a reactor, a heat exchanger, and a means for circulating the brine in a loop from the electrolysis cell, to the reactor, the heat exchanger |
| 6204418 |
Process for the chlornation of hydrocarbons |
March 20, 2001 |
| A process is provided for the chlorination of aliphatic hydrocarbons containing 1 to 4 carbon atoms using hydrogen chloride as the source of chlorine. The process comprises reaction steps operated in tandem in separate zones. First, an unsaturated aliphatic fluorocarbon is oxychlorin |
| 6137017 |
Methanol process for natural gas conversion |
October 24, 2000 |
| A process is provided for producing methyl alcohol from natural gas using chlorination technology. The process includes reacting methyl chloride, hydrogen chloride, oxygen and perchloroethylene in a catalytic reactor to give methanol product and hexachloroethane and using the C.sub.2 Cl. |
| 6010604 |
Neural network packing |
January 4, 2000 |
| A column packing for use in the scrubbing of gases by aqueous liquid, the packing comprising material that is electrically conductive and material that is non-conductive with such materials being intimately mixed with each other, such that the packing as a whole provides the gas-liquid |
| 5854168 |
Catalyst composition for methanol synthesis |
December 29, 1998 |
| A new catalyst composition is provided for the synthesis of methyl alcohol by a catalytic reaction where methyl chloride, perchloroethylene, hydrogen chloride, and oxygen are converted to methyl alcohol and hexachloroethylene. The catalyst composition is an admixture of an iodine sal |
| 5672747 |
Phosgene process |
September 30, 1997 |
| A process for the production of phosgene (COCl.sub.2) comprising first reacting perchloroethylene (CCl.sub.2 .dbd.CCl.sub.2) with hydrogen chloride and oxygen in the presence of a first catalyst to give hexachloroethane and water, separating the hexachloroethane, and second reacting |
| 5557001 |
Silicone monomer process |
September 17, 1996 |
| The invention concerns a process of preparing silicone monomer products comprising a reaction between alkylchloro silane and an aliphatic ether in the presence of a catalyst to form the corresponding alkoxyalkyl silane silicone monomer product and alkyl chloride that are subsequently |
| 5512144 |
Pulse method for sulfur dioxide electrolysis |
April 30, 1996 |
| A process is provided for removing sulfur dioxide (SO.sub.2) from a waste gas stream by electrolysis using a pulsed electric current and recovering the sulfur values as sulfuric acid. The sources of the waste gas stream include effluent vent, flue or exhaust gases from power plants, sulf |
| 5430776 |
Fuel pellets for thermonuclear reactions |
July 4, 1995 |
| Fuel pellets for use as targets in a device employing thermonuclear fusion by inertial confinement (Laser fusion) are manufactured from high polymer hydrocarbons in which bound hydrogen has been replaced with tritium. The required polymer is prepared by polymerizing monomer(s) which cont |
| 5429085 |
Timing mechanism for rotary engines |
July 4, 1995 |
| A rotary internal combustion engine including a housing and two vanes mounted on concentric shafts for independent rotation in one direction within the housing in response to combustion within the housing. The engine further includes a ratchet assembly, including a ratchet housing as |
| 5344529 |
Bipolar process for removal of sulfur dioxide from waste gases |
September 6, 1994 |
| A process for removing sulfur dioxide (SO.sub.2) from a waste gas stream and recovering the sulfur values as sulfuric acid. The sources of the waste gas stream include effluent vent, flue or exhaust gases from power plants, sulfuric acid plants, ore roasters, and solid waste incinerators |
| 5266343 |
Pasteurization process for dairy products |
November 30, 1993 |
| A continuous process is provided for the pasteurization of dairy products. The process incorporates a holding tube that contains a static mixer. Improved control over the residence time of the dairy product is thereby obtained. |
| 5185479 |
Process for methyl alcohol |
February 9, 1993 |
| An improved method of producing methyl alcohol (methanol) from methane is provided using two reaction steps operated in tandem. In the first reaction step two chemical reactions occur simultaneously: a) perchloroethylene (CCl.sub.2 CCl.sub.2) is oxychlorinated with hydrogen chloride |
| 5099084 |
Process for the chlorination of methane |
March 24, 1992 |
| A process is provided for the chlorination of methane using hydrogen chloride as a source of chlorine. The process includes reaction steps operated in tandem in separate zones first comprising the reaction of perchloroethylene with hydrogen chloride and oxygen in the presence of an o |
| 5097083 |
Process for the chlorination of ethane |
March 17, 1992 |
| A process is provided for the chlorination of ethane using hydrogen chloride, chlorine or mixtures as the chlorinating agent. The process includes reaction steps operated in tandem in separate zones first comprising the reaction of perchloroethylene with hydrogen chloride and oxygen |
| 4990696 |
Methyl alcohol process |
February 5, 1991 |
| Perchloroethylene is oxychlorinated to provide hexachloroethane which is reacted with methane to produce methyl chloride which is hydrolyzed to form methyl alcohol product and hydrogen chloride which is recycled to the oxychlorination step. |
| 4925639 |
Removal of nitric oxide from waste gases and recovery as nitric acid |
May 15, 1990 |
| A process is provided for removing nitric oxide from effluent vent or flue gas by subjecting the gas cyclically to scrubbing with a nitric acid stream and to electrolysis of the resulting nitric acid stream containing dissolved nitric oxide to oxidize the dissolved nitric oxide to nitric |
| 4899000 |
Production of allyl chloride |
February 6, 1990 |
| A process is provided for the production of allyl chloride from three carbon atom hydrocarbons (propane and/or propylene) using hydrogen chloride or hydrogen chloride/chlorine mixtures as the chlorinating agent. The process includes reaction steps operated in tandem in separate zones |
| 4890591 |
Rotary internal combustion engine and method of starting the engine |
January 2, 1990 |
| A rotary internal combustion engine including a housing defining a combustion chamber; a first vane mounted for rotation in the combustion on a fixed axis; a second vane mounted for rotation in the combustion chamber on the fixed axis independently of the first vane; a separate ratchet |
| 4744736 |
Compound rotary internal combustion engine |
May 17, 1988 |
| An internal combustion engine of the rotary type in which a pair of axially spaced combustion chambers are provided and a common ratchet or control mechanism is positioned between the spaced combustion chambers. A pair of vanes are mounted in each combustion chamber with the vanes mounte |
| 4605540 |
Low volatile fluorine process for making elemental phosphorus |
August 12, 1986 |
| The present invention concerns an improvement in the electric furnace process for making elemental phosphorus. The invention features the deliberate addition of an alkali to the burden or charge that is fed to the furnace. Several advantages are gained by the addition of an alkali: p |
