Patents by Inventor Mark Paul Hagemeister
Mark Paul Hagemeister 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: 9365663Abstract: The invention is directed to a process for the preparation of high viscosity lubricant base stocks by contacting alphaolefin feedstocks with single-site metallocene catalysts in a mixed flow or continuous stirred tank reactors.Type: GrantFiled: February 19, 2009Date of Patent: June 14, 2016Assignee: ExxonMobil Chemical Patents Inc.Inventors: Mark Paul Hagemeister, Peijun Jiang, Margaret M. Wu, Norman Yang
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Patent number: 9234150Abstract: This invention is directed to ultra-low viscosity passenger car engine oil compositions with a kinematic viscosity at 100° C. of from 4 to 6 cSt, and comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; and 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; wherein the composition comprises from 0 wt % to less than 0.25 wt % viscosity index improver, on a solid polymer basis.Type: GrantFiled: September 12, 2012Date of Patent: January 12, 2016Assignee: ExxonMobil Research and Engineering CompanyInventors: Richard Wayne Martin, Douglas Edward Deckman, Kevin John Kelly, Craig Janzen Emett, Mark Paul Hagemeister, Bruce Allan Harrington, Chon-Yie Lin, Phillip Thomas Matsunaga, Charles James Ruff, Kevin Bruce Stavens
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Patent number: 9234152Abstract: This invention is directed to passenger car engine oil compositions comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; and at least 0.75 wt % viscosity index improver, on a solid polymer basis.Type: GrantFiled: September 12, 2012Date of Patent: January 12, 2016Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Richard Wayne Martin, Douglas Edward Deckman, Kevin John Kelly, Craig Janzen Emett, Mark Paul Hagemeister, Bruce Allan Harrington, Chon-Yie Lin, Phillip Thomas Matsunaga, Charles James Ruff, Kevin Bruce Stavens
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Patent number: 9234151Abstract: This invention is directed to lubricating compositions comprising a first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt and obtained by a process comprising: (a) contacting a catalyst, an activator, and a monomer in a first reactor to obtain a first reactor effluent, the effluent comprising a dimer product, a trimer product, and optionally a higher oligomer product, (b) feeding at least a portion of the dimer product to a second reactor, (c) contacting said dimer product with a second catalyst, a second activator, and optionally a second monomer in the second reactor, (d) obtaining a second reactor effluent, the effluent comprising at least a trimer product, and (e) hydrogenating at least the trimer product of the second reactor effluent.Type: GrantFiled: September 12, 2012Date of Patent: January 12, 2016Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Richard Wayne Martin, Douglas Edward Deckman, Kevin John Kelly, Craig Janzen Emett, Mark Paul Hagemeister, Bruce Allan Harrington, Chon-Yie Lin, Phillip Thomas Matsunaga, Charles James Ruff, Kevin Bruce Stavens
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Patent number: 8748361Abstract: This invention relates to a polyalpha-olefin (and hydrogenated analogs thereof) comprising more than 50 mole % of one or more C5 to C24 alpha-olefin monomers where the polyalpha-olefin has: a) 40 mole % or more of mm triads, b) a Bromine number of Y or greater, where Y is equal to 89.92*(V)?°5863, where V is the Kinematic Viscosity of the polyalpha-olefin measured at 100° C. in cSt, and c) 1,2 disubstituted olefins present at 7 mole % or more, preferably having Z mole % or more of units represented by the formula: where j, k and m are each, independently, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, or 22, n is an integer from 1 to 350, and where Z=8.420*Log(V)?4.048, where V is the kinematic viscosity of the polyalpha-olefin measured at 1000 C in cSt This invention also relates to process to produce such polyalpha-olefins.Type: GrantFiled: June 2, 2006Date of Patent: June 10, 2014Assignee: ExxonMobil Chemical Patents Inc.Inventors: Margaret May-Som Wu, Lisa Saunders Baugh, Jo Ann Marie Canich, Chia Shian Chee, Mark Paul Hagemeister, Andrew Jackson, Peijun Jiang, Gordon H. Lee, Frederick Yip-Kwai Lo, Steven P. Rucker, Shakeel Tirmizi, John F. Walzer, Jr., Norman Yang
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Patent number: 8507744Abstract: The proposed process uses crystallization technology to purify paraxylene simultaneously of large concentrations of C8 aromatics and also small concentrations of oxygenated species.Type: GrantFiled: July 26, 2012Date of Patent: August 13, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Mark Paul Hagemeister, David Lee Johnson, John Joseph Monson
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Publication number: 20130090277Abstract: This invention is directed to lubricating compositions comprising a first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt and obtained by a process comprising: (a) contacting a catalyst, an activator, and a monomer in a first reactor to obtain a first reactor effluent, the effluent comprising a dimer product, a trimer product, and optionally a higher oligomer product, (b) feeding at least a portion of the dimer product to a second reactor, (c) contacting said dimer product with a second catalyst, a second activator, and optionally a second monomer in the second reactor, (d) obtaining a second reactor effluent, the effluent comprising at least a trimer product, and (e) hydrogenating at least the trimer product of the second reactor effluent.Type: ApplicationFiled: September 12, 2012Publication date: April 11, 2013Applicants: ExxonMobil Chemical Patents Inc., ExxonMobil Research and Engineering CompanyInventors: Richard Wayne Martin, Douglas Edward Deckman, Kevin John Kelly, Craig Janzen Emett, Mark Paul Hagemeister, Bruce Allan Harrington, Chon-Yie Lin, Phillip Thomas Matsunaga, Charles James Ruff, Kevin Bruce Stavens
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Publication number: 20130090273Abstract: This invention is directed to ultra-low viscosity passenger car engine oil compositions with a kinematic viscosity at 100° C. of from 4 to 6 cSt, and comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; and 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; wherein the composition comprises from 0 wt % to less than 0.25 wt % viscosity index improver, on a solid polymer basis.Type: ApplicationFiled: September 12, 2012Publication date: April 11, 2013Applicants: ExxonMobil Chemical Patents Inc., ExxonMobil Research and Engineering CompanyInventors: Richard Wayne Martin, Douglas Edward Deckman, Kevin John Kelly, Craig Janzen Emett, Mark Paul Hagemeister, Bruce Allan Harrington, Chon-Yie Lin, Phillip Thomas Matsunaga, Charles James Ruff, Kevin Bruce Stavens
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Publication number: 20130090278Abstract: This invention is directed to passenger car engine oil compositions comprising in admixture 60 wt % to 90 wt % of a first base oil component, based on the total weight of the composition, the first base oil component consisting of a polyalphaolefin base stock or combination of polyalphaolefin base stocks, each having a kinematic viscosity at 100° C. of from 3.2 cSt to 3.8 cSt; 0.1 wt % to 20 wt % of a second base oil component, based on the total weight of the composition, the second base oil component consisting of a Group II, Group III or Group V base stock, or any combination thereof; and at least 0.75 wt % viscosity index improver, on a solid polymer basis.Type: ApplicationFiled: September 12, 2012Publication date: April 11, 2013Applicants: EXXONMOBIL CHEMICAL PATENTS INC., EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Richard Wayne Martin, Douglas Edward Deckman, Kevin John Kelly, Craig Janzen Emett, Mark Paul Hagemeister, Bruce Allan Harrington, Chon-Yie Lin, Phillip Thomas Matsunaga, Charles James Ruff, Kevin Bruce Stavens
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Patent number: 8252735Abstract: A basestock that comprises a fully hydrogenated substituted styrene linear dimer; a partially hydrogenated mono-aromatic substituted styrene linear dimer; and a partially hydrogenated di-aromatic substituted styrene linear dimer. A process of producing a basestock that comprises reacting a feed stream that comprises substituted styrene, alcohol, and a dimerization catalyst, in the presence of a solvent, to form a crude slurry of dimerized substituted styrene; and partially hydrogenating the dimerized substituted styrene with hydrogen over a Group VIII catalyst to form a basestock that comprises a fully hydrogenated substituted styrene linear dimer and a partially hydrogenated substituted styrene linear dimer.Type: GrantFiled: October 28, 2009Date of Patent: August 28, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Mark Paul Hagemeister, Thomas R. Forbus, Jr.
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Patent number: 8252967Abstract: The proposed process uses crystallization technology to purify paraxylene simultaneously of large concentrations of C8 aromatics and also small concentrations of oxygenated species.Type: GrantFiled: April 7, 2010Date of Patent: August 28, 2012Assignee: Exxonmobil Chemical Patents Inc.Inventors: Mark Paul Hagemeister, David Lee Johnson, John Joseph Monson
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Patent number: 8071835Abstract: The invention is directed to a process for producing polyolefins by one or more homogeneous or colloidal polymerization catalyst wherein residual catalyst is removed by using a solid sorbent.Type: GrantFiled: April 26, 2007Date of Patent: December 6, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Margaret May-Som Wu, Norman Yang, Mark Paul Hagemeister, Shakeel Tirmizi
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Publication number: 20100261941Abstract: The proposed process uses crystallization technology to purify paraxylene simultaneously of large concentrations of C8 aromatics and also small concentrations of oxygenated species.Type: ApplicationFiled: April 7, 2010Publication date: October 14, 2010Inventors: Mark Paul Hagemeister, David Lee Johnson, John Joseph Monson
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Publication number: 20100048434Abstract: A basestock that comprises a fully hydrogenated substituted styrene linear dimer; a partially hydrogenated mono-aromatic substituted styrene linear dimer; and a partially hydrogenated di-aromatic substituted styrene linear dimer. A process of producing a basestock that comprises reacting a feed stream that comprises substituted styrene, alcohol, and a dimerization catalyst, in the presence of a solvent, to form a crude slurry of dimerized substituted styrene; and partially hydrogenating the dimerized substituted styrene with hydrogen over a Group VIII catalyst to form a basestock that comprises a fully hydrogenated substituted styrene linear dimer and a partially hydrogenated substituted styrene linear dimer.Type: ApplicationFiled: October 28, 2009Publication date: February 25, 2010Inventors: Mark Paul Hagemeister, Thomas R. Forbus, JR.
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Patent number: 7629303Abstract: A basestock that comprises a fully hydrogenated substituted styrene linear dimer; a partially hydrogenated mono-aromatic substituted styrene linear dimer; and a partially hydrogenated di-aromatic substituted styrene linear dimer. A process of producing a basestock that comprises reacting a feed stream that comprises substituted styrene, alcohol, and a dimerization catalyst, in the presence of a solvent, to form a crude slurry of dimerized substituted styrene; and partially hydrogenating the dimerized substituted styrene with hydrogen over a Group VIII catalyst to form a basestock that comprises a fully hydrogenated substituted styrene linear dimer and a partially hydrogenated substituted styrene linear dimer.Type: GrantFiled: August 17, 2005Date of Patent: December 8, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: Mark Paul Hagemeister, Thomas R. Forbus, Jr.
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Publication number: 20090247442Abstract: The invention is directed to a process for the preparation of high viscosity lubricant base stocks by contacting alphaolefin feedstocks with single-site metallocene catalysts in a mixed flow or continuous stirred tank reactors.Type: ApplicationFiled: February 19, 2009Publication date: October 1, 2009Inventors: Mark Paul Hagemeister, Peijun Jiang, Margaret M. Wu, Norman Yang
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Publication number: 20090005279Abstract: This invention relates to a polyalpha-olefin (and hydrogenated analogs thereof) comprising more than 50 mole % of one or more C5 to C24 alpha-olefin monomers where the polyalpha-olefin has: a) 40 mole % or more of mm triads, b) a Bromine number of Y or greater, where Y is equal to 89.92*(V)?°5863, where V is the Kinematic Viscosity of the polyalpha-olefin measured at 100° C. in cSt, and c) 1,2 disubstituted olefins present at 7 mole % or more, preferably having Z mole % or more of units represented by the formula: where j, k and m are each, independently, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, or 22, n is an integer from 1 to 350, and where Z=8.420*Log(V)?4.048, where V is the kinematic viscosity of the polyalpha-olefin measured at 1000 C in cSt This invention also relates to process to produce such polyalpha-olefins.Type: ApplicationFiled: June 2, 2006Publication date: January 1, 2009Inventors: Margaret May-Som Wu, Lisa Saunders Baugh, Jo Ann Canich, Chia Shian Chee, Mark Paul Hagemeister, Andrew Jackson, Peijun Jiang, Gordon H. Lee, Frederick Yip-Kwai Lo, Steven P. Rucker, Shakeel Tirmizi, John F. Walzer, JR., Norman Yang
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Publication number: 20080020928Abstract: The invention is directed to a process for producing polyolefins by one or more homogeneous or colloidal polymerization catalyst wherein residual catalyst is removed by using a solid sorbentType: ApplicationFiled: April 26, 2007Publication date: January 24, 2008Inventors: Margaret May-Som Wu, Norman Yang, Mark Paul Hagemeister, Shakeel Tirmizi