Patents by Inventor Abbas Hassan
Abbas Hassan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20090180940Abstract: Use of a high shear mechanical device incorporated into a process for the production of cyclohexanol is capable of decreasing mass transfer limitations, thereby enhancing the cyclohexanol production process. A system for the production of cyclohexanol from air oxidation of cyclohexane, the system comprising a high shear device, the outlet of the high shear device fluidly connected to the inlet of a reactor; the high shear device capable of providing a dispersion of air bubbles within a liquid comprising cyclohexane, the bubbles having an average bubble diameter of less than about 100 ?m.Type: ApplicationFiled: March 26, 2009Publication date: July 16, 2009Applicant: H R D CORPORATIONInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090136395Abstract: Methods and systems for the hydrogenation of aldehydes and/or ketones are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of the hydrogen-containing gas (e.g. H2 gas) in the aldehydes and/or ketones. The high shear device may allow for lower reaction temperatures and pressures and may also reduce hydrogenation time with existing catalysts.Type: ApplicationFiled: December 15, 2008Publication date: May 28, 2009Applicant: H R D CORPORATIONInventors: Abbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Azziz HASSAN
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Publication number: 20090136396Abstract: Methods and systems for the preparation of chlorohydrins are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of olefins into the chlorinating phase. The high shear device may allow for lower reaction temperatures and pressures and may also reduce chlorination time.Type: ApplicationFiled: November 24, 2008Publication date: May 28, 2009Applicant: H R D CORPORATIONInventors: Abbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Aziz HASSAN
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Publication number: 20090136393Abstract: Methods and systems for preparing alkylene glycols are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of alkylene oxides with water. The high shear device may allow for lower reaction temperatures and pressures and may also reduce reaction time.Type: ApplicationFiled: December 15, 2008Publication date: May 28, 2009Inventors: Abbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Aziz HASSAN
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Publication number: 20090136392Abstract: Methods and systems for the synthesis of alcohol are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of olefins in water. The high shear device may allow for lower reaction temperatures and pressures and may also reduce reaction time. In an embodiment, a method of making an alcohol comprises introducing an olefin into a water stream to form a gas-liquid stream. The method further comprises flowing the gas-liquid stream through a high shear device so as to form a dispersion with gas bubbles having a mean diameter less than about 1 micron. In addition, the method comprises contacting the gas-liquid stream with a catalyst in a reactor to hydrate the olefin gas and form an alcohol.Type: ApplicationFiled: December 15, 2008Publication date: May 28, 2009Inventors: Abbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Aziz HASSAN
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Patent number: 7491856Abstract: Methods and systems for preparing alkylene glycols are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of alkylene oxides with water. The high shear device may allow for lower reaction temperatures and pressures and may also reduce reaction time.Type: GrantFiled: June 19, 2008Date of Patent: February 17, 2009Assignee: H R D CorporationInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090036694Abstract: A method of producing volatilized fatty acids by heating a feedstock comprising at least one fat or oil in a reactor under inert vacuum to volatilize fatty acids, and removing volatilized fatty acids from bottoms residue comprising cross-linked oil. A system for stripping fatty acids from triglycerides, the system comprising a reactor, heating apparatus and a vacuum pump capable of pulling a vacuum in the range of from 1 kPa to 50 kPa on the reactor. A system for producing a hydrogenated product including a reactor comprising an inlet for a stream comprising triglycerides, an outlet for volatilized fatty acids, and an outlet for a cross-linked product, heating apparatus, a vacuum pump capable of pulling a vacuum in the range of from 1 kPa to 50 kPa on the reactor, and a hydrogenation reactor, wherein an inlet of the hydrogenation reactor is fluidly connected to the outlet for cross-linked product.Type: ApplicationFiled: June 17, 2008Publication date: February 5, 2009Applicant: H R D CORPORATIONInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Patent number: 7482496Abstract: Methods and systems for the preparation of chlorohydrins are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of olefins into the chlorinating phase. The high shear device may allow for lower reaction temperatures and pressures and may also reduce chlorination time.Type: GrantFiled: June 20, 2008Date of Patent: January 27, 2009Assignee: H R D CorporationInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Patent number: 7482497Abstract: Methods and systems for the synthesis of alcohol are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of olefins in water. The high shear device may allow for lower reaction temperatures and pressures and may also reduce reaction time. In an embodiment, a method of making an alcohol comprises introducing an olefin into a water stream to form a gas-liquid stream. The method further comprises flowing the gas-liquid stream through a high shear device so as to form a dispersion with gas bubbles having a mean diameter less than about 1 micron. In addition, the method comprises contacting the gas-liquid stream with a catalyst in a reactor to hydrate the olefin gas and form an alcohol.Type: GrantFiled: June 20, 2008Date of Patent: January 27, 2009Assignee: H R D CorporationInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Patent number: 7479576Abstract: Methods and systems for the hydrogenation of aldehydes and/or ketones are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of the hydrogen-containing gas (e.g. H2 gas) in the aldehydes and/or ketones. The high shear device may allow for lower reaction temperatures and pressures and may also reduce hydrogenation time with existing catalysts.Type: GrantFiled: June 19, 2008Date of Patent: January 20, 2009Assignee: H R D CorporationInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090018286Abstract: A method for producing a polyethylene or polypropylene polymer, or co-polymer thereof, comprises contacting a monomer-containing medium with polymerization catalyst particles in at least one high shear mixing device to form a nanodispersion, wherein the particles have a mean diameter less than 1 micron. The monomer is selected from the group consisting of ethylene, propylene, and combinations thereof. The method further includes subjecting the nanodispersion to polymerization conditions comprising pressure in the range of about 203 kPa to about 6080 kPa (about 2 atm to about 60 atm) and temperature in the range of about 20° C. to about 230° C., whereby at least a portion of the monomer is polymerized. A system for carrying out the method is also disclosed.Type: ApplicationFiled: June 18, 2008Publication date: January 15, 2009Applicant: H R D CORPORATIONInventors: Abbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Aziz HASSAN
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Publication number: 20090001188Abstract: A method for introducing inhibitor into a fluid to be treated by forming a dispersion comprising droplets, particles, or gas bubbles of the inhibitor dispersed in a continuous phase of a carrier, wherein the droplets, particles, or gas bubbles have a mean diameter of less than 5 ?m, and wherein either the carrier is the fluid to be treated or the method further comprises introducing the dispersion into the fluid to be treated. A system for inhibiting an undesirable component, the system comprising at least one high shear mixing device comprising at least one generator comprising a rotor and a stator separated by a shear gap, wherein the high shear mixing device is capable of producing a tip speed of the rotor of greater than 22.9 m/s, and a pump for delivering a mixture of a carrier and an inhibitor to the high shear mixing device.Type: ApplicationFiled: June 19, 2008Publication date: January 1, 2009Applicant: H R D CORPORATIONInventors: Abbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Aziz HASSAN
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Publication number: 20090000989Abstract: A method for hydrodesulfurization by forming a dispersion comprising hydrogen-containing gas bubbles with a mean diameter of less than 1 micron dispersed in a liquid phase comprising sulfur-containing compounds. Desulfurizing a liquid stream comprising sulfur-containing compounds by subjecting a fluid mixture comprising hydrogen-containing gas and the liquid to a shear rate greater than 20,000 s?1 to produce a dispersion of hydrogen in a continuous phase of the liquid and introducing the dispersion into a fixed bed hydrodesulfurization reactor from which a reactor product is removed. Systems of apparatus for hydrodesulfurization are also presented.Type: ApplicationFiled: June 12, 2008Publication date: January 1, 2009Applicant: H R D CORPORATIONInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090005521Abstract: A method is disclosed for producing polyvinyl chloride which includes mixing a vinyl chloride solution with an initiator solution in at least one high shear mixing device comprising at least one rotor/stator set producing a rotor tip speed of at least 5.1 m/sec (1000 ft/min), to form a polymerization mixture; and allowing the mixture to polymerize by free radical polymerization to form polyvinyl chloride. The polymerization mixture may be subjected to free radical polymerization conditions comprising a temperature in the range of about 20° C. to about 230° C. In some embodiments, the high shear mixing device produces a shear rate of at least 20,000 s?1. A system for carrying out the method is also disclosed.Type: ApplicationFiled: June 18, 2008Publication date: January 1, 2009Applicant: H R D CORPORATIONInventors: Abbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Aziz HASSAN
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Publication number: 20090005605Abstract: A method of use for a high shear device incorporated into a process or system for the production of acetaldehyde from ethylene as a reactor device is shown to be capable of decreasing mass transfer limitations, by forming a feed stream emulsion, and thereby enhancing the acetaldehyde production process in the system.Type: ApplicationFiled: June 10, 2008Publication date: January 1, 2009Applicant: HRD CORP.Inventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090005608Abstract: Use of a high shear mechanical device incorporated into a process for the production of cyclohexanol is capable of decreasing mass transfer limitations, thereby enhancing the cyclohexanol production process. A system for the production of cyclohexanol from air oxidation of cyclohexane, the system comprising a high shear device, the outlet of the high shear device fluidly connected to the inlet of a reactor; the high shear device capable of providing a dispersion of air bubbles within a liquid comprising cyclohexane, the bubbles having an average bubble diameter of less than about 100 ?m.Type: ApplicationFiled: June 12, 2008Publication date: January 1, 2009Applicant: H R D CORPORATIONInventors: Abbas HASSAN, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090005585Abstract: A system and method for a high shear mechanical device incorporated into a process for the production of acetic anhydride as a reactor device is shown to be capable of decreasing mass transfer limitations, thereby enhancing the process. A system for the production of acetic anhydride including the mixing of catalyst and acetic acid via a high shear device.Type: ApplicationFiled: June 10, 2008Publication date: January 1, 2009Applicant: HRD CORP.Inventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090005606Abstract: Use of a high shear mechanical device incorporated into a process for the production of cumene hydroperoxide as a mixer/reactor device is capable of decreasing mass transfer limitations, thereby enhancing the cumene hydroperoxide production process. A system for the production of cumene hydroperoxide from oxidation of cumene, the system comprising a reactor and an high shear mixer the outlet of which is fluidly connected to the inlet of the reactor; the high shear mixer capable of providing a dispersion air gas bubbles within a liquid, the bubbles having an average bubble diameter of less than about 100 ?m.Type: ApplicationFiled: June 11, 2008Publication date: January 1, 2009Applicant: H R D CORPORATIONInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090001320Abstract: A method for removing hydrogen sulfide from a sour gas stream comprising hydrogen sulfide by oxidizing hydrogen sulfide in a converter by contacting the sour gas stream with an aqueous catalytic solution, thereby producing a desulfurized gas stream and a liquid stream comprising reduced catalyst and elemental sulfur, introducing an oxidant and the liquid stream comprising reduced catalyst and elemental sulfur into a high shear device and producing a dispersion wherein the mean bubble diameter of the oxidant gas in the dispersion is less than about 5 ?m, introducing the dispersion into a vessel from which a sulfur-containing slurry is removed and a regenerated catalyst stream is removed, wherein the sulfur slurry comprises elemental sulfur and aqueous liquid, and recycling at least a portion of the regenerated catalyst stream to the converter. A system of apparatus for carrying out the method is also provided.Type: ApplicationFiled: June 12, 2008Publication date: January 1, 2009Applicant: H R D CORPORATIONInventors: Abbas Hassan, Ebrahim Bagherzadeh, Rayford G. Anthony, Gregory Borsinger, Aziz Hassan
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Publication number: 20090005613Abstract: Methods and systems for the synthesis of alcohol are described herein. The methods and systems incorporate the novel use of a high shear device to promote dispersion and solubility of olefins in water. The high shear device may allow for lower reaction temperatures and pressures and may also reduce reaction time. In an embodiment, a method of making an alcohol comprises introducing an olefin into a water stream to form a gas-liquid stream. The method further comprises flowing the gas-liquid stream through a high shear device so as to form a dispersion with gas bubbles having a mean diameter less than about 1 micron. In addition, the method comprises contacting the gas-liquid stream with a catalyst in a reactor to hydrate the olefin gas and form an alcohol.Type: ApplicationFiled: June 20, 2008Publication date: January 1, 2009Applicant: H R D CORPORATIONInventors: Abbas HASSAN, Ebrahim BAGHERZADEH, Rayford G. ANTHONY, Gregory BORSINGER, Aziz HASSAN