Patents by Inventor Ramin Abhari
Ramin Abhari 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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Patent number: 9133080Abstract: The present technology generally relates to a method for producing a naphtha product from a biorenewable feedstock. The method includes hydrotreating the biorenewable feedstock to produce a hydrocarbon product stream, hydrocracking hydrocarbons from the hydrocarbon product stream to produce a distribution of cracked hydrocarbons, and separating a biorenewable naphtha fraction from the distribution of cracked hydrocarbons.Type: GrantFiled: August 12, 2014Date of Patent: September 15, 2015Assignee: REG SYNTHETIC FUELS, LLCInventors: Ramin Abhari, H. Lynn Tomlinson, Gary Roth
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Patent number: 9102080Abstract: The present invention generally relates to a method for manufacturing phase change material (PCM) pellets. The method includes providing a melt composition including paraffin and a polymer. The paraffin has a melt point between about 10° C. and about 50° C., and more preferably between about 18° C. and about 28° C. In one embodiment, the melt composition includes various additives, such as a flame retardant. The method further includes forming the melt composition into PCM pellets. The method further may include the step of cooling the melt to increase the melt viscosity before pelletizing.Type: GrantFiled: August 31, 2011Date of Patent: August 11, 2015Assignee: REG SYNTHETIC FUELS, LLCInventor: Ramin Abhari
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Patent number: 9061951Abstract: The present invention generally relates to a method for producing a naphtha product from a renewable feedstock. The method includes hydrotreating the renewable feedstock to produce a hydrotreating unit heavy fraction that includes n-paraffins, and hydrocracking the hydrotreating unit heavy fraction to produce a hydrocracking unit product that includes the naphtha product. The method also includes separating the naphtha fraction and optionally recycling the hydrocracking unit heavy fraction through the hydrocracking unit. The present invention also relates to a biorenewable naphtha product suitable for use as feed stock for steam crackers and catalytic reforming units, and for use as fuel, or fuel blend stock.Type: GrantFiled: October 10, 2013Date of Patent: June 23, 2015Assignee: REG SYNTHETIC FUELS, LLCInventors: Ramin Abhari, H. Lynn Tomlinson, Gary Roth
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Publication number: 20150133355Abstract: A method is provided involving altering the viscosity of bio-derived paraffins to produce a paraffinic fluid, where the altering step includes chlorinating the bio-derived paraffins; the bio-derived paraffins include a hydrodeoxygenated product produced by hydrodeoxygenating a bio-based feed where the bio-based feed includes bio-derived fatty acids, fatty acid esters, or a combination thereof; the bio-derived paraffins include n-paraffins; and the n-paraffins have a biodegradability of at least 40% after about 23 days of exposure to microorganisms. Also provided are methods of protecting and/or cleaning a substance by applying the paraffinic fluid.Type: ApplicationFiled: January 16, 2015Publication date: May 14, 2015Inventors: Ramin Abhari, E. Gary Roth, Peter Z. Havlik, H. Lynn Tomlinson
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Patent number: 8969259Abstract: A method is provided involving altering the viscosity of bio-derived paraffins to produce a paraffinic fluid, where the altering step includes oligomerizing bio-derived paraffins, unsaturating bio-derived paraffins, chlorinating bio-derived paraffins, or a combination of any two or more thereof; the bio-derived paraffins are produced by hydrodeoxygenating a bio-based feed; the bio-based feed comprises bio-derived fatty acids, fatty acid esters, or a combination thereof; the bio-derived paraffins comprise n-paraffins; and the n-paraffins have a biodegradability of at least 40% after about 23 days of exposure to microorganisms. Also provided are methods of protecting a substance by applying a paraffinic fluid and a method of producing an orifice in a substrate by at least injecting a paraffinic fluid into the substrate.Type: GrantFiled: April 26, 2013Date of Patent: March 3, 2015Assignee: Reg Synthetic Fuels, LLCInventors: Ramin Abhari, E. Gary Roth, Peter Z. Havlik, H. Lynn Tomlinson
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Patent number: 8957159Abstract: This invention relates to an adhesive comprising an olefin polymer composition comprising a first amorphous polymer having a crystallinity of 5% or less, prepared with a first catalyst; and a second crystalline polymer, differing in chemical and physical properties from the first polymer, having a crystallinity of 20% or more, prepared with a second catalyst; and where the olefin polymer composition has a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of at least 7,000 to 80,000; a branching index (g?) of from 0.4 to 0.90 measured at the Mz of the polymer composition; and a crystallinity of between 5 and 40%.Type: GrantFiled: September 10, 2013Date of Patent: February 17, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Peijun Jiang, Armenag Hagop Dekmezian, Jo Ann Marie Canich, Charles Lewis Sims, Ramin Abhari, Cesar Alberto Garcia-Franco, David Raymond Johnsrud
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Publication number: 20150005551Abstract: A method is provided that involves contacting a feed stream including a biorenewable feedstock and adulterants with a catalyst in a fixed bed hydroprocessing reactor to produce a hydroprocessed product with less adulterants than the feed stream.Type: ApplicationFiled: July 1, 2013Publication date: January 1, 2015Applicant: Syntroleum CorporationInventors: Peter Z. Havlik, Ramin Abhari, E. Gary Roth, H. Lynn Tomlinson
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Publication number: 20140350314Abstract: The present technology generally relates to a method for producing a naphtha product from a biorenewable feedstock. The method includes hydrotreating the biorenewable feedstock to produce a hydrocarbon product stream, hydrocracking hydrocarbons from the hydrocarbon product stream to produce a distribution of cracked hydrocarbons, and separating a biorenewable naphtha fraction from the distribution of cracked hydrocarbons.Type: ApplicationFiled: August 12, 2014Publication date: November 27, 2014Inventors: Ramin Abhari, H. Lynn Tomlinson, Gary Roth
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Publication number: 20140303057Abstract: A method is provided involving altering the viscosity of bio-derived paraffins to produce a paraffinic fluid, where the altering step includes oligomerizing bio-derived paraffins, unsaturating bio-derived paraffins, chlorinating bio-derived paraffins, or a combination of any two or more thereof; the bio-derived paraffins are produced by hydrodeoxygenating a bio-based feed; the bio-based feed comprises bio-derived fatty acids, fatty acid esters, or a combination thereof; the bio-derived paraffins comprise n-paraffins; and the n-paraffins have a biodegradability of at least 40% after about 23 days of exposure to microorganisms. Also provided are methods of protecting a substance by applying a paraffinic fluid and a method of producing an orifice in a substrate by at least injecting a paraffinic fluid into the substrate.Type: ApplicationFiled: April 26, 2013Publication date: October 9, 2014Applicant: Syntroleum CorporationInventors: Ramin Abhari, E. Gary Roth, Peter Z. Havlik, H. Lynn Tomlinson
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Publication number: 20140261715Abstract: A method is provided involving reducing a pressure drop across a hydroprocessing reactor having a reactor feed and producing a hydroprocessing product, where the reactor feed includes a bio-oil feed and a hydrocarbon diluent; and the step of reducing the pressure drop comprises stopping or substantially reducing the bio-oil feed supplied to the reactor and supplying the hydrocarbon diluent to the reactor with a mass flux of at least about 1,000 lb/hr/ft2.Type: ApplicationFiled: March 13, 2013Publication date: September 18, 2014Applicant: SYNTROLEUM CORPORATIONInventors: Ramin Abhari, Peter Havlik, H. Lynn Tomlinson, Gary Roth, Tsungani Record
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Publication number: 20140081057Abstract: Paraffin compositions including mainly even carbon number paraffins, and a method for manufacturing the same, is disclosed herein. In one embodiment, the method involves contacting naturally occurring fatty acid/glycerides with hydrogen in a slurry bubble column reactor containing bimetallic catalysts with equivalent particle diameters from about 10 to about 400 micron. The even carbon number compositions are particularly useful as phase change material.Type: ApplicationFiled: September 11, 2013Publication date: March 20, 2014Applicant: Syntroleum CorporationInventors: Ramin Abhari, H. Lynn Tomlinson, Vladimir Gruver
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Publication number: 20140066567Abstract: This invention relates to an adhesive comprising an olefin polymer composition comprising a first amorphous polymer having a crystallinity of 5% or less, prepared with a first catalyst; and a second crystalline polymer, differing in chemical and physical properties from the first polymer, having a crystallinity of 20% or more, prepared with a second catalyst; and where the olefin polymer composition has a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of at least 7,000 to 80,000; a branching index (g?) of from 0.4 to 0.90 measured at the Mz of the polymer composition; and a crystallinity of between 5 and 40%.Type: ApplicationFiled: September 10, 2013Publication date: March 6, 2014Inventors: Peijun Jiang, Armenag Hagop Dekmezian, Jo Ann Marie Canich, Charles Lewis Sims, Ramin Abhari, Cesar Alberto Garcia-Franco, David Raymond Johnsrud
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Patent number: 8653199Abstract: This invention relates to a composition comprising a functionalized C3 to C40 olefin polymer comprising at least 50 mol % of one or more C3 to C40 olefins, and where the olefin polymer, prior to functionalization, has: a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of 10,000 to 100,000; and a branching index (g?) of 0.98 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or a branching index of 0.95 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000; and where the C3 to C40 olefin polymer comprises at least 0.001 wt % of a functional group. This invention further relates to blends of such functionalized polymers with other polymers including non-functionalized C3 to C40 olefin polymers as described above.Type: GrantFiled: June 15, 2012Date of Patent: February 18, 2014Assignee: ExxonMobil Chemical Patents Inc.Inventors: Ramin Abhari, Charles Lewis Sims, Mun Fu Tse, Patrick Brant, Peijun Jiang, David Raymond Johnsrud
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Publication number: 20140046103Abstract: The present invention generally relates to a method for producing a naphtha product from a renewable feedstock. The method includes hydrotreating the renewable feedstock to produce a hydrotreating unit heavy fraction that includes n-paraffins, and hydrocracking the hydrotreating unit heavy fraction to produce a hydrocracking unit product that includes the naphtha product. The method also includes separating the naphtha fraction and optionally recycling the hydrocracking unit heavy fraction through the hydrocracking unit. The present invention also relates to a biorenewable naphtha product suitable for use as feed stock for steam crackers and catalytic reforming units, and for use as fuel, or fuel blend stock.Type: ApplicationFiled: October 10, 2013Publication date: February 13, 2014Applicant: Syntroleum CorporationInventors: Ramin Abhari, H. Lynn Tomlinson, Gary Roth
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Patent number: 8629308Abstract: A method for producing hydrocarbons from biomass is provided. The method involves supplying a feed stream; supplying a heated hydrocarbon solvent; combining the feed stream and the heated hydrocarbon solvent to produce a reactor feed, and hydrodeoxygenating the reactor feed to produce hydrocarbons; where the feed stream includes a synthetic polymer as well as biomass having fatty acids, glycerides, or combinations thereof.Type: GrantFiled: April 22, 2013Date of Patent: January 14, 2014Assignee: Syntroleum CorporationInventors: Ramin Abhari, E. Gary Roth, Peter Z. Havlik, H. Lynn Tomlinson
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Publication number: 20130331620Abstract: The present invention generally relates to a method for sequestering carbon dioxide. Biomass is converted into paraffinic hydrocarbons. The paraffinic hydrocarbons are steam cracked into olefins. The olefins are polymerized into non-biodegradable polyolefins.Type: ApplicationFiled: August 15, 2013Publication date: December 12, 2013Applicant: SYNTROLEUM CORPORATION, A DELAWARE CORPORATIONInventor: Ramin Abhari
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Patent number: 8581013Abstract: The present invention generally relates to a method for producing a naphtha product from a renewable feedstock. The method includes hydrotreating the renewable feedstock to produce a hydrotreating unit heavy fraction that includes n-paraffins, and hydrocracking the hydrotreating unit heavy fraction to produce a hydrocracking unit product that includes the naphtha product. The method also includes separating the naphtha fraction and optionally recycling the hydrocracking unit heavy fraction through the hydrocracking unit. The present invention also relates to a biorenewable naphtha product suitable for use as feed stock for steam crackers and catalytic reforming units, and for use as fuel, or fuel blend stock.Type: GrantFiled: August 2, 2011Date of Patent: November 12, 2013Assignee: Syntroleum CorporationInventors: Ramin Abhari, H. Lynn Tomlinson, Gary Roth
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Patent number: 8575409Abstract: A process for producing a hydrocarbon from biomass. A feed stream containing biomass having fatty acids, mono-, di-, and/or triglycerides, and a phosphorus content of between about 1 wppm and about 1,000 wppm is provided. A heated hydrocarbon solvent and a hydrogen-rich gas are provided. The feed stream, the heated hydrocarbon solvent, and the hydrogen-rich gas are combined in the presence of a low activity hydrogenation catalyst. A spent low activity hydrogenation catalyst is recovered at the end of a run wherein the spent low activity hydrogenation catalyst contains at least 3% by weight phosphorus.Type: GrantFiled: September 23, 2011Date of Patent: November 5, 2013Assignee: Syntroleum CorporationInventors: Peter Havlik, Ramin Abhari, Gary Roth, H. Lynn Tomlinson
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Patent number: 8563647Abstract: The present invention describes polymer comprising one or more C3 to C40 olefins and having a Mw of 100,000 or less and a Dot T-Peel of 1 Newton or more. The polymer may have a branching index (g?) of 0.95 or less measured at the Mz of the polymer, and a heat of fusion of 1 to 70 J/g. Also described are polymers of homopolypropylene or a copolymer of propylene and up to 5 mole % ethylene having: an isotactic run length of 1 to 30 as determined by Carbon 13 NMR and a percent of r dyad of greater than 20%, preferably from 20 to 70% as determined by Carbon 13 NMR. Also described are methods of making these and other polymers.Type: GrantFiled: October 25, 2011Date of Patent: October 22, 2013Assignee: Exxonmobil Chemical Patents Inc.Inventors: Peijun Jiang, Armenag Hagop Dekmezian, Jo Ann Marie Canich, Charles Lewis Sims, Ramin Abhari, Cesar Alberto Garcia-Franco, David Raymond Johnsrud
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Patent number: 8558042Abstract: The present invention generally relates to a method for producing a naphtha product from a renewable feedstock. The method includes hydrotreating the renewable feedstock to produce a hydrotreating unit heavy fraction that includes n-paraffins, and hydrocracking the hydrotreating unit heavy fraction to produce a hydrocracking unit product that includes the naphtha product. The method also includes separating the naphtha fraction and optionally recycling the hydrocracking unit heavy fraction through the hydrocracking unit. The present invention also relates to a biorenewable naphtha product suitable for use as feed stock for steam crackers and catalytic reforming units, and for use as fuel, or fuel blend stock.Type: GrantFiled: January 15, 2013Date of Patent: October 15, 2013Assignee: Syntroleum CorporationInventors: Ramin Abhari, H. Lynn Tomlinson, Gary Roth