Patents by Inventor Stephen Cohn
Stephen Cohn 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: 11970573Abstract: Bifuran-modified polyester, polyethylene-terephthalate-co (2,2?-bifuran-5,5?-dicarboxylate), prepared by esterifying or transesterifying a diacid component comprising from 2 to 10 mole percent 2,2?-bifuran-5,5?-dicarboxylate and a diol component with a catalyst compound comprising metal present in an amount of from about 10 to about 450 ppm and polycondensation to form the polyester wherein the polyester has an inherent viscosity of at least 0.5 g/dL, a glass transition temperature (Tg) of 82° C. or more, a semicrystalline melting peak (Tm) with ?Hf equal to or greater than 5 J/g on the second heating ramp, and melting temperature (Tm) between 229° C. and 246° C. Reinforced compositions and shaped articles comprising bifuran-modified polyethylene terephthalate and methods of their production are also disclosed.Type: GrantFiled: November 13, 2019Date of Patent: April 30, 2024Assignees: ExxonMobil Chemical Patents Inc., Virginia Tech Intellectual Properties, Inc.Inventors: Monica Lotz, S. Richard Turner, Hans Eliot Edling, Kapil Kandel, Michael Salciccioli, Stephen Cohn, Alan A. Galuska, Javier Guzman, Edward E. Paschke
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Patent number: 11912819Abstract: Semicrystalline polyethylene-2,2?-bifuran-5,5?-dicarboxylate (PEBF) homopolyester or copolyester with up to 5 mole percent isophthalate or up to 2.7 mole percent terephthalate, based on the diacid component, or up to 2.5 mole percent 1,4-cyclohexanedimethanol (CHDM), based on the diol component, prepared by esterifying or transesterifying the diacid and the diol components with a catalyst including about 10 to about 50 ppm wt metal, and polycondensation, wherein the bifuran polyester has an intrinsic viscosity of at least 0.4 g/dL and a semicrystalline melting peak (Tm) with ?Hf equal to or greater than 5 J/g on the second heating ramp.Type: GrantFiled: November 13, 2019Date of Patent: February 27, 2024Assignees: ExxonMobil Chemical Patents, Inc., Virginia Tech Intellectual Properties, Inc.Inventors: Monica Lotz, Kapil Kandel, Michael Salciccioli, Stephen Cohn, Alan A. Galuska, Javier Guzman, S. Richard Turner, Hans Eliot Edling, Edward E. Paschke
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Publication number: 20220033573Abstract: Copolyesters such as polyethylene terephthalate (PET) or polyethylene furanoate (PEF) modified with bifuran polyacids such as dimethyl-2,2?-bifuran-5,5?-dicarboxylate (BFE), 2,2?-bifuran-5,5?-dicarboxylic acid (BDA), or bis(2-hydroxyethyl)-2,2?-bifuran-5,5?-dicarboxylate (BHEB), and/or bifuran polyhydroxyls, may have improved properties such as glass transition temperature (Tg), tensile modulus, barrier properties, crystallinity, and/or impact strength. Polyethylene terephthalate-co-bifuranoate (PETBF) has an improved Tg. Also described are polyethylene furanoate-co-bifuranoates (PEFBF).Type: ApplicationFiled: November 13, 2019Publication date: February 3, 2022Inventors: Monica Lotz, S. Richard Turner, Hans Eliot Edling, Kapil Kandel, Michael Salciccioli, Stephen Cohn, Alan A. Galuska, Javier Guzman, Edward E. Paschke
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Publication number: 20210355271Abstract: Semicrystalline bifuran polyesters wherein the diacid and/or diol components include bifuran units such as those derived from 2,2?-bifuran-5,5?-dicarboxylic acid (BFA), dimethyl-2,2?-bifuran-5,5?-dicarboxylate (BFE), and/or bis(hydroxyethyl) bifuranoate (BHEB) Polyethylene-BFE (PEBF) having a high ?Hf and high Tg determined by DSC on the second heating ramp is described. Polybutylene-BFE (PBBF), polyhexylene-BFE (PHBF), polypropylene-BFE (PPBF), etc., are also described. Method for making bifuran polyesters includes melt esterification or transesterification and polycondensation of one or more monomers comprising a diacid component and a diol component, wherein the one or more monomers include a bifuran monomer, such as BFA, BFE, BHEB or BFD. Also described is a method of forming a bifuran polyester prepolymer in the melt, pelletization, crystallization, and solid state polymerization.Type: ApplicationFiled: November 13, 2019Publication date: November 18, 2021Inventors: Monica Lotz, Kapil Kandel, Michael Salciccioli, Stephen Cohn, Alan A. Galuska, Javier Guzman, S. Richard Turner, Hans Eliot Edling, Edward E. Paschke
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Publication number: 20070072928Abstract: The present invention is directed to substituted propylamine derivatives of formula I: or a pharmaceutically acceptable salt thereof, compositions containing these derivatives, and methods of their use for the prevention and treatment of conditions ameliorated by monoamine reuptake including, inter alia, vasomotor symptoms (VMS), sexual dysfunction, gastrointestinal and genitourinary disorders, chronic fatigue syndrome, fibromylagia syndrome, nervous system disorders, and combinations thereof, particularly those conditions selected from the group consisting of major depressive disorder, vasomotor symptoms, stress and urge urinary incontinence, fibromyalgia, pain, diabetic neuropathy, and combinations thereof.Type: ApplicationFiled: September 27, 2006Publication date: March 29, 2007Applicant: WyethInventors: Casey McComas, Puwen Zhang, Eugene Terefenko, An Vu, Stephen Cohn
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Publication number: 20070072897Abstract: The present invention is directed to phenylaminopropanol derivatives of formulae I, II, and III: or a pharmaceutically acceptable salt thereof, compositions containing these derivatives, and methods of their use for the prevention and treatment of conditions ameliorated by monoamine reuptake including, inter alia, vasomotor symptoms (VMS), sexual dysfunction, gastrointestinal and genitourinary disorders, chronic fatigue syndrome, fibromyalgia syndrome, nervous system disorders, and combinations thereof, particularly those conditions selected from the group consisting of major depressive disorder, vasomotor symptoms, stress and urge urinary incontinence, fibromyalgia, pain, diabetic neuropathy, schizophrenia, and combinations thereof.Type: ApplicationFiled: September 27, 2006Publication date: March 29, 2007Applicant: WyethInventors: Paige Mahaney, Gavin Heffernan, Richard Coghlan, Stephen Cohn, Callain Kim, Douglas Jenkins, Michael Marella, Casey McComas, Joseph Sabatucci, Eugene Terefenko, Eugene Trybulski, An Vu, Fei Ye, Puwen Zhang
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Publication number: 20070043077Abstract: This invention provides estrogen receptor modulators having the structure where R1—R5 are defined in the specification; or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: October 31, 2006Publication date: February 22, 2007Applicant: WyethInventors: Richard Mewshaw, Stephen Cohn
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Publication number: 20060217399Abstract: This invention provides estrogen receptor modulators of formula I, having the structure wherein, R1, R2, R3, R4, R5, and R6 are as defined in the specification, or a N-oxide thereof or a pharmaceutically acceptable salt thereof or a prodrug thereof.Type: ApplicationFiled: May 31, 2006Publication date: September 28, 2006Applicant: WyethInventors: An Vu, Stephen Cohn, Richard Mewshaw
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Publication number: 20050222142Abstract: The present invention is directed to phenylaminopropanol derivatives of formula I: or a pharmaceutically acceptable salt thereof, compositions containing these derivatives, and methods of their use for the prevention and treatment of conditions ameliorated by monoamine reuptake including, inter alia, vasomotor symptoms (VMS), sexual dysfunction, gastrointestinal and genitourinary disorders, chronic fatigue syndrome, fibromylagia syndrome, nervous system disorders, and combinations thereof, particularly those conditions selected from the group consisting of major depressive disorder, vasomotor symptoms, stress and urge urinary incontinence, fibromyalgia, pain, diabetic neuropathy, and combinations thereof.Type: ApplicationFiled: March 28, 2005Publication date: October 6, 2005Applicant: WyethInventors: An Vu, Paige Mahaney, Stephen Cohn
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Publication number: 20050222148Abstract: The present invention is directed to phenylaminopropanol derivatives of formula I: or a pharmaceutically acceptable salt thereof, compositions containing these derivatives, and methods of their use for the prevention and treatment of conditions ameliorated by monoamine reuptake including, inter alia, vasomotor symptoms (VMS), sexual dysfunction, gastrointestinal and genitourinary disorders, chronic fatigue syndrome, fibromylagia syndrome, nervous system disorders, and combinations thereof, particularly those conditions selected from the group consisting of major depressive disorder, vasomotor symptoms, stress and urge urinary incontinence, fibromyalgia, pain, diabetic neuropathy, and combinations thereof.Type: ApplicationFiled: March 28, 2005Publication date: October 6, 2005Applicant: WyethInventors: Callain Kim, Paige Mahaney, Eugene Trybulski, Puwen Zhang, Eugene Terefenko, Casey McComas, Michael Marella, Richard Coghlan, Gavin Heffernan, Stephen Cohn, An Vu, Joseph Sabatucci, Fei Ye
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Publication number: 20050182709Abstract: A financial scenario modeling and analysis tool, including a graphical user interface which enables a user of the tool to create a graphical model of a financial scenario, generally including at least one financial transaction, on a display screen, and an engine operable, in response to creation of the graphical model, to automatically generate information, such as financial or mathematical information, which at least partially models at least a part of the financial scenario using information collected by the engine during creation of the graphical model. The graphical user interface enables the user to create party graphics respectively representing parties to the financial deal, and to generate financial instrument graphics representing financial instruments, wherein each financial instrument graphic connects two of the party graphics.Type: ApplicationFiled: April 11, 2005Publication date: August 18, 2005Applicant: Babcock & Brown LP, a Delaware limited partnershipInventors: Ladislav Belcsak, Luke Lee, David Collop, Mark Bewsher, Thadeus Niemira, Dennis Moritz, Stephen Cohn
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Publication number: 20050143579Abstract: The present invention is directed to substituted aryl cycloalkanoyl derivatives, compositions containing these derivatives, and methods of their use for the prevention and treatment of conditions ameliorated by monoamine reuptake including, inter alia, vasomotor symptoms (VMS), sexual dysfunction, gastrointestinal and genitourinary disorders, chronic fatigue syndrome, fibromylagia syndrome, nervous system disorders, and combinations thereof, particularly those conditions selected from the group consisting of major depressive disorder, vasomotor symptoms, stress and urge urinary incontinence, fibromyalgia, pain, diabetic neuropathy, and combinations thereof.Type: ApplicationFiled: October 12, 2004Publication date: June 30, 2005Applicant: WyethInventors: Eugene Trybulski, Joseph Sabatucci, An Vu, Stephen Cohn, Arthur Santilli, Lori Gavrin, Fei Ye, Paige Mahaney
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Publication number: 20050009784Abstract: This invention provides estrogen receptor modulators of formula I, having the structure wherein, R1, R2, R3, R4, R5, and R6 are as defined in the specification, or a N-oxide thereof or a pharmaceutically acceptable salt thereof or a prodrug thereof.Type: ApplicationFiled: May 13, 2004Publication date: January 13, 2005Inventors: An Vu, Stephen Cohn, Richard Mewshaw
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Publication number: 20050009907Abstract: This invention provides estrogen receptor modulators having the structure where R1-R5 are as defined in the specification; or a pharmaceutically acceptable salt thereof.Type: ApplicationFiled: May 13, 2004Publication date: January 13, 2005Inventors: Richard Mewshaw, Stephen Cohn
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Patent number: D459759Type: GrantFiled: May 25, 2001Date of Patent: July 2, 2002Assignee: Aristocrat Technologies Australia Pty, Ltd.Inventors: Barry Shepherd, Stephen Cohn