Patents by Inventor Stephen Zushma

Stephen Zushma 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).

  • Patent number: 9556103
    Abstract: A biphenyl diester useful as a plasticizer having the formula (I): wherein R1 is an alkyl group having 5 to 15 carbon atoms and R2 is a methyl group or a phenyl group.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: January 31, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jihad M. Dakka, Wei Tang, Stephen Zushma, Christine A. Costello, Diana Smirnova, Madhavi Vadlamudi, Victor DeFlorio
  • Patent number: 9534104
    Abstract: Provided are mixtures of 1) compounds of the formula: wherein R1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and/or an OXO-ester, and R2 is a C4 to C14 hydrocarbyl; and 2) one or more second plasticizers selected from the group consisting of alkyl terephthalates, alkyl phthalates, alkyl benzoate esters, di-benzoate esters, esters of cyclohexane polycarboxylic acids, and dialkyl adipates. Also provided are plasticized polymer compositions containing said mixtures.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: January 3, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Didier Naert, Bernard F. Leroy, Christine A. Costello, Stephen Zushma
  • Patent number: 9512296
    Abstract: Provided is a process for making non-phthalate plasticizers, by acylating an aromatic compound with a succinic anhydride to form a keto-acid, and then esterifying the keto-acid with C4-C13 OXO-alcohols to form a plasticizer compound. The aromatic rings of the aromatic compound may also be optionally hydrogenated.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: December 6, 2016
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Jihad Mohammed Dakka, Edmund John Mozeleski, Lisa Saunders Baugh, Karla Schall Colle, Allen David Godwin, Diana S. Smirnova, Jorg Friedrich Wilhelm Weber, Stephen Zushma
  • Publication number: 20160280884
    Abstract: Plasticizers of indane and or tetralin esters and blends thereof with thermoplastic polymers, such as PVC, are disclosed.
    Type: Application
    Filed: December 17, 2015
    Publication date: September 29, 2016
    Inventors: Meagan E. Evans, Christopher M. Evans, Christine A. Costello, Stephen Zushma, Madhavi Vadlamudi
  • Patent number: 9422227
    Abstract: Provided are compounds and processes of making compounds of the formula: wherein x=4 to 8, R is H, C1 to C4 alkyl, —C(O)OR1 or —OC(O)R1, y=4 to 8, R? is H, C1 to C4 alkyl, and at least one R? is —C(O)OR1 or —OC(O)R1, wherein R1 is a branched C4 to C14 alkyl, and their use in polymer compositions.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: August 23, 2016
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Jihad Mohammed Dakka, Edmund John Mozeleski, Lisa Saunders Baugh, Stephen Zushma
  • Publication number: 20160237022
    Abstract: Provided are compounds of the following: wherein R1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and/or an OXO-ester, and R2 is a C4 to C14 hydrocarbyl, preferably the residue of a C4 to C14 OXO-alcohol. Also provided are processes for making the compounds and plasticized polymer compositions containing said compounds.
    Type: Application
    Filed: April 25, 2016
    Publication date: August 18, 2016
    Inventors: Jihad M. Dakka, Lorenzo C. DeCaul, Christine A. Costello, Edmund J. Mozeleski, Pierre Osterrieth, Stephen Zushma, Allen D. Godwin, Diana Smirnova, Catherine A. Faler, Victor DeFlorio, Didier A. Naert
  • Patent number: 9321898
    Abstract: Provided are compounds of the following: wherein R1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and/or an OXO-ester, and R2 is a C4 to C14 hydrocarbyl, preferably the residue of a C4 to C14 OXO-alcohol. Also provided are processes for making the compounds and plasticized polymer compositions containing said compounds.
    Type: Grant
    Filed: October 16, 2014
    Date of Patent: April 26, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jihad M. Dakka, Lorenzo C. DeCaul, Christine A. Costello, Edmund J. Mozeleski, Pierre Osterrieth, Stephen Zushma, Allen D. Godwin, Diana Smirnova, Catherine A. Faler, Victor Deflorio, Didier Naert
  • Publication number: 20150361027
    Abstract: A biphenyl diester useful as a plasticizer having the formula (I): wherein R1 is an alkyl group having 5 to 15 carbon atoms and R2 is a methyl group or a phenyl group.
    Type: Application
    Filed: May 27, 2015
    Publication date: December 17, 2015
    Inventors: Jihad M. Dakka, Wei Tang, Stephen Zushma, Christine A. Costello, Diana Smirnova, Madhavi Vadlamudi, Victor DeFlorio
  • Publication number: 20150329487
    Abstract: The present invention relates to the synthesis of succinimides, in particular to a method for the synthesis of a succinimide compound, comprising the step of reacting an alkyne, with carbon monoxide and ammonia or an amine, in the presence of an iron catalyst, wherein the reaction is carried out in an amine liquid phase and/or in the absence of an ether solvent. The succinimides may be reduced to quaternary ammonium cations which may be used as structure directing agents in the synthesis of molecular sieves.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 19, 2015
    Inventors: Kirk D. Schmitt, Stephen Zushma, Allen W. Burton
  • Patent number: 9085669
    Abstract: Provided are compounds of the following: wherein R1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and/or an OXO-ester, and R2 is a C4 to C14 hydrocarbyl, preferably the residue of a C4 to C14 OXO-alcohol. Also provided are processes for making the compounds and plasticized polymer compositions containing said compounds.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: July 21, 2015
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jihad M. Dakka, Lorenzo C. DeCaul, Christine A. Costello, Edmund J. Mozeleski, Pierre Osterrieth, Stephen Zushma, Allen D. Goodwin, Diana Smirnova, Catherine A. Faler, Victor Deflorio, Didier Naert
  • Publication number: 20150140350
    Abstract: Provided are compounds of the following: wherein R1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and/or an OXO-ester, and R2 is a C4 to C14 hydrocarbyl, preferably the residue of a C4 to C14 OXO-alcohol. Also provided are processes for making the compounds and plasticized polymer compositions containing said compounds.
    Type: Application
    Filed: October 16, 2014
    Publication date: May 21, 2015
    Inventors: Jihad M. Dakka, Lorenzo C. DeCaul, Christine A. Costello, Edmund J. Mozeleski, Pierre Osterrieth, Stephen Zushma, Allen D. Godwin, Diana Smirnova, Catherine A. Faler, Victor Deflorio, Didier Naert
  • Publication number: 20150126655
    Abstract: An asymmetric diester of catechol having different alkyl groups in each ester moiety. The asymmetric diester can have a first ester moiety of 8 carbon atoms and a second ester moiety of 10 carbon atoms, and a chemical formula as follows: wherein R1 is C7H15 and R2 is C9H19, and finds use as a plasticizer compound for polymer compositions.
    Type: Application
    Filed: November 1, 2013
    Publication date: May 7, 2015
    Applicant: ExxonMobil Research and Engineering Company
    Inventors: JIHAD MOHAMMED DAKKA, WEI TANG, CHRISTINE A. COSTELLO, PIERRE J. OSTERRIETH, DIANA S. SMIRNOVA, STEPHEN ZUSHMA, CATHERINE ANNE FALER
  • Patent number: 8969272
    Abstract: This invention relates to a hydroxyaromatic functionalized polyalpha-olefin comprising the product of the combination of: a) a polyalpha-olefin comprising one or more C3 to C20 linear alpha-olefins and having at least 10% vinylidene unsaturation, a viscosity index of 80 to 400, an Mn of 300 to about 20,000, and a pour point of 0° C. or less; and b) a hydroxyaromatic moiety; wherein the analine point of the functionalized polyalpha-olefin is at least 10° C. lower than the analine point of the polyalpha-olefin.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: March 3, 2015
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Abhimanyu Onkar Patil, Margaret May-Som Wu, Stephen Zushma, Anura Abhimanyu Patil
  • Patent number: 8921609
    Abstract: In a process for oxidizing a hydrocarbon, the hydrocarbon is contacted with oxygen in the presence of an N-substituted cyclic imide and under conditions to oxidize the hydrocarbon to produce an oxidized hydrocarbon product and at least one decomposition product of the N-substituted cyclic imide. At least a portion of the at least one decomposition product is contacted with hydroxylamine or a salt thereof under conditions to convert the at least one decomposition product back to said imide.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: December 30, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jihad M. Dakka, Stephen Zushma, Nicolas P. Coute, Francisco M. Benitez, Edmund J. Mozeleski
  • Patent number: 8921610
    Abstract: A process for oxidizing a composition comprising contacting an alkylbenzene of the general formula (I): where R1 and R2 each independently represents hydrogen or an alkyl group having from 1 to 4 carbon atoms, wherein R1 and R2 may be joined to form a cyclic group having from 4 to 10 carbon atoms, the cyclic group being optionally substituted, and R3 represents hydrogen, one or more alkyl groups having from 1 to 4 carbon atoms or a cyclohexyl group; and (ii) about 0.05 wt % to about 5 wt % of phenol, with oxygen in the presence of a catalyst containing a cyclic imide having the general formula (II): wherein X represents an oxygen atom, a hydroxyl group, or an acyloxy group under conditions effective to convert at least a portion of the alkylbenzene to a hydroperoxide.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: December 30, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jihad M. Dakka, Edmund J. Mozeleski, Charles Morris Smith, Christopher L. Becker, Stephen Zushma
  • Patent number: 8884065
    Abstract: In a process for producing a cycloalkylaromatic compound, an aromatic compound and a cyclic olefin are contacted with a first catalyst under conditions effective to produce a reaction product comprising the cycloalkylaromatic compound and at least one non-fused bicyclic by-product. The at least one non-fused bicyclic by-product is then contacted with a second catalyst under conditions effective to convert at least a portion of the at least one non-fused bicyclic by-product to a converted by-product.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: November 11, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Kun Wang, Jihad M. Dakka, Stephen Zushma, James R. Lattner, Christopher L. Becker, Tan-Jen Chen
  • Publication number: 20140315021
    Abstract: Provided are mixtures of 1) compounds of the formula: wherein R1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and/or an OXO-ester, and R2 is a C4 to C14 hydrocarbyl; and 2) one or more second plasticizers selected from the group consisting of alkyl terephthalates, alkyl phthalates, alkyl benzoate esters, di-benzoate esters, esters of cyclohexane polycarboxylic acids, and dialkyl adipates. Also provided are plasticized polymer compositions containing said mixtures.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Inventors: Didier Naert, Bernard F. Leroy, Christine A. Costello, Stephen Zushma
  • Patent number: 8859821
    Abstract: The invention relates to polyketone compounds and the at least partially hydrogenated products thereof, the use of said polyketone compounds and/or the at least partially hydrogenated products thereof as plasticizers, processes of making polyketone compounds and the at least partially hydrogenated products thereof, compositions comprising the polyketone compounds and/or the at least partially hydrogenated products thereof, and to articles formed from products of the invention.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: October 14, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Allen D. Godwin, Kenneth J. Buturla, Karla S. Colle, Gabor Kiss, Kirk C. Nadler, Abhimanyu O. Patil, Edris Eileen Pike, Ramzi Y. Saleh, Jon E. Stanat, Manika Varma-Nair, Stephen Zushma
  • Patent number: 8829093
    Abstract: Provided are compounds of the following: wherein R1 is a saturated or unsaturated cyclic hydrocarbon optionally substituted with an alkyl and/or an OXO-ester, and R2 is the residue of a C4 to C14 OXO-alcohol. Also provided are processes for making the compounds and plasticized polymer compositions containing said compounds.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: September 9, 2014
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jihad Dakka, Lorenzo C. DeCaul, Christine A. Costello, Edmund J. Mozeleski, Pierre J. Osterrieth, Diana S. Smirnova, Stephen Zushma, Allen D. Godwin
  • Patent number: 8815992
    Abstract: Tetraesters of a C4-C5 aliphatic tetracarboxylic acid and OXO-alcohols and plasticized compositions containing said tetraesters are provided.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: August 26, 2014
    Assignee: ExxonMobil Research and Engineering Company
    Inventors: Lisa Saunders Baugh, Enock Berluche, Karla Schall Colle, Manika Varma-Nair, Ramzi Yanni Saleh, Jon Edmond Randolph Stanat, Stephen Zushma, Victor DeFlorio