Patents Represented by Attorney Darryl M. Tyus
  • Patent number: 8344070
    Abstract: A polymer composition comprises (a) least 40 wt % (based upon the weight of the composition) of a cyclic olefin polymer comprising at least one acyclic olefin and at least 20 wt % of one or more cyclic olefins (based upon the weight of the cyclic olefin polymer), wherein at least a portion of the cyclic olefin polymer has a glass transition temperature of greater than 100° C.; (b) an acyclic olefin polymer modifier in an amount up to 40 wt % (based upon the weight of the composition); and (c) at least 10 wt % (based upon the weight of the composition) of one of more fillers. The polymer composition has a notched Izod impact resistance measured at 23° C. of greater than 100 J/m and a flexural modulus (1% secant method) of greater than 1400 MPa.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: January 1, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Kevin R. Squire, Alan J. Oshinski, Kevin D. Robinson, Christian Peter Mehnert, Marsha M. Arvedson, Beverly J. Poole, Abhimanyu Onkar Patil, Lisa Saunders Baugh, Karla Schall Colle
  • Patent number: 8334419
    Abstract: The present invention provides an improved process for conversion of feedstock comprising an alkylatable aromatic compound and an alkylating agent to desired alkylaromatic conversion product under at least partial liquid phase conversion conditions in the presence of specific catalyst comprising a porous crystalline material, e.g., a crystalline aluminosilicate, and binder in the ratio of crystal/binder of from about 20/80 to about 60/40. The porous crystalline material of the catalyst may comprise a crystalline molecular sieve having the structure of Beta, an MCM-22 family material, e.g., MCM-49, or a mixture thereof.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: December 18, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Michael C. Clark, Frederick Y. Lo, Christine N. Elia, Matthew J. Vincent
  • Patent number: 8288480
    Abstract: This invention relates to in-reactor polymer blends comprising at least 60 mole % of propylene and from 0.01 to 10 mole % of at least one diene selected from the group of C6 to C12 ?,?-diene, norbornadiene, vinyl norbornene and mixtures thereof with the balance being ethylene. The blend comprises first and second polymers having different crystallinities and or different Tg's.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: October 16, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Peijun Jiang, Kevin R. Squire, Charles J. Ruff, Cesar A. Garcia-Franco
  • Patent number: 8262904
    Abstract: This invention relates to a crystalline molecular sieve having, in its as-synthesized form, an X-ray diffraction pattern including d-spacing maxima at 13.18±0.25 and 12.33±0.23 Angstroms, wherein the peak intensity of the d-spacing maximum at 13.18±0.25 Angstroms is at least as great as 90% of the peak intensity of the d-spacing maximum at 12.33±0.23 Angstroms. This invention also relates to a method of making thereof.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: September 11, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Wieslaw J. Roth, Thomas Yorke, Michael C. Kerby, Simon C. Weston
  • Patent number: 8247629
    Abstract: A process for producing a monoalkylated aromatic compound in an alkylation reaction zone, said process comprising the steps of: (a) providing a first catalytic particulate material having a ratio of surface area over volume ratio greater than about 79 cm?1, (b) providing said alkylation reaction zone with an alkylatable aromatic compound, an alkylating agent, and said first catalytic particulate material; and (c) contacting said alkylatable aromatic compound and said alkylating agent with said catalytic particulate material in said alkylation reaction zone maintained under alkylation conditions, to form a product comprised of said monoalkylated aromatic compound and polyalkylated aromatic compound(s).
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: August 21, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Michael C. Clark, Christine N. Elia, Frederick Y. Lo, Yun-Feng Chang
  • Patent number: 8222468
    Abstract: The present invention provides a process for conversion of feedstock comprising organic compounds to desirable conversion product at organic compound conversion conditions in the presence of catalyst comprising an acidic, porous crystalline material and having a Proton Density Index of greater than 1.0, for example, from greater than 1.0 to about 2.0, e.g. from about 1.01 to about 1.85. The acidic, porous crystalline material of the catalyst may comprise a porous, crystalline material or molecular sieve having the structure of zeolite Beta, an MWW structure type material, e.g. MCM-22, MCM-36, MCM-49, MCM-56, or a mixture thereof.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: July 17, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Michael C. Clark, Teng Xu, Matthew J. Vincent
  • Patent number: 8222467
    Abstract: A non-extracted hydrocarbon composition feed is substantially free of both C4? hydrocarbons and the C7+ aromatic hydrocarbons and contains benzene and benzene coboilers as well as sulfur, nitrogen, olefins and dienes.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: July 17, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Stephen Harold Brown
  • Patent number: 8217214
    Abstract: Disclosed are ethylbenzene processes in which a series-arranged or combined vapor phase alkylation/transalkylation reaction zone is retrofitted to have a vapor phase alkylation reactor and a liquid phase transalkylation reactor, and in which a parallel-arranged vapor phase alkylation reactor and vapor phase transalkylation reactor is retrofitted to have a vapor phase alkylation reactor and liquid phase transalkylation reactor, wherein the xylenes content of the ethylbenzene product is less than 700 wppm.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: July 10, 2012
    Assignees: ExxonMobil Chemical Patents Inc., Stone & Weber, Inc.
    Inventors: Michael C. Clark, Vijay Nanda, Carlos N. Lopez, Brian Maerz, Maruti Bhandarkar
  • Patent number: 8202623
    Abstract: Novel coated substrates are disclosed wherein a substrate is coated with a coating composition that forms good hermetic seals at very low temperatures and exhibits good blocking and slip characteristics. Such coating composition is comprised of an aqueous dispersion of a substantially non-polar copolymer of ethylene and an alpha-olefin having less than 20 carbon atoms, and an additive selected from the group consisting of an anti-blocking and slip agent, a coalescent and wetting agent, and mixtures thereof.
    Type: Grant
    Filed: January 17, 2012
    Date of Patent: June 19, 2012
    Assignee: Exxonmobil Oil Corporation
    Inventors: Thierry Jean-Luc Dabadie, Bruno R. Gringoire, Pang-Chia Lu, Jean-Pierre Frognet, Brad M. Moncla, Matthew J. Kalinowski
  • Patent number: 8198496
    Abstract: This disclosure relates to a process for manufacturing a mono-alkylaromatic aromatic compound, said process comprising contacting a feedstock comprising an alkylatable aromatic compound and an alkylating agent under alkylation reaction conditions with a catalyst comprising EMM-13, wherein said EMM-13 is a molecular sieve comprising a framework of tetrahedral atoms bridged by oxygen atoms, the tetrahedral atom framework being defined by a unit cell with atomic coordinates in nanometers shown in Table 3.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: June 12, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Terry E. Helton, Matthew J. Vincent
  • Patent number: 8187569
    Abstract: A method of making a crystalline molecular sieve of MFS framework type, said method comprising the steps of (a) adding at least one source of ions of tetravalent element (Y), at least one source of ions of trivalent element (X), at least one hydroxide source (OH?), at least one structure-directing-agent (R), at least one seed source (Seed), and water (H2O) to form a mixture having the following mole composition (expressed in term of oxide): YO2:(n)X2O3:(x)OH?:(y)R:(z)H2O+(m)Seed wherein the m is in the range of from about 10 wtppm to about 2 wt. % (based on total weight of the synthesis mixture), the n is in the range of from about 0.005 to 0.05, the x is in the range of from about 0.01 to about 0.3, the y is in the range of from about 0.
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: May 29, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Machteld M. Mertens, An Verberckmoes, Ivy D. Johnson
  • Patent number: 8183420
    Abstract: An alkylaromatic hydrocarbon composition prepared by the process which comprises oligomerizing an olefin selected from the group consisting of propylene, n-butene and mixtures thereof over an oligomerization catalyst, to form a oligomerization product comprising at least 95% by weight of mono-olefin oligomers of the empirical formula: CnH2n wherein n is greater than or equal to 10, the mono-olefin oligomers comprise at least 20% by weight of olefins having at least 12 carbon atoms, and the olefins having at least 12 carbon atoms having an average of from 0.8 to 2.0 C1-C3 alkyl branches per carbon chain. Sulfonation of the alkylaromatic hydrocarbon product produces an alkylaryl sulfonate mixture that exhibits advantageous properties, such as biodegradability and hard and cold water performance.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: May 22, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Carolyn B. Duncan, David Wayne Turner, Jane C. Cheng, Charles M. Yarbrough, Raphael Frans Caers, Ramzi Y. Saleh, James L. Propp
  • Patent number: 8163259
    Abstract: A molecular sieve comprises at least one intergrown phase of an AFX framework-type molecular sieve and a CHA framework-type molecular sieve and is conveniently synthesized using a combination of N,N,N?N?-tetramethylhexane-1,6-diamine and N,N-dimethylcyclohexylamine as organic directing agents.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: April 24, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Guang Cao, Matu J. Shah
  • Patent number: 8163268
    Abstract: EMM-11 is a novel synthetic crystalline microporous material having a single crystalline phase with a unique 3-dimensional channel system comprising three sets of channels, namely a first set comprising 10-ring channels, and a second set and third set comprising 8-ring channels. EMM-11 has unique T-atom connectivity and X-ray diffraction pattern which identify it as a novel material. EMM-11 may be prepared with an organic structure directing agent, preferably, 3-isopropyl-1-methyl-1H-imidazol-3-ium. EMM-11 may be used in organic compounds conversion and absorptive processes.
    Type: Grant
    Filed: August 17, 2009
    Date of Patent: April 24, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Karl G. Strohmaier, Douglas L. Dorset, Gordon J. Kennedy
  • Patent number: 8149251
    Abstract: A color reproduction system comprises a color imaging output device (e.g., monitor, printer, etc.) and its device characterization (e.g., ICC profile, device link, etc.). A method for assessing the capability and accuracy of a color reproduction system is presented. This method may be used to assess the fit between a color reproduction system and its intended use (e.g., proofing, production, etc.). In addition, it may be used to monitor the color accuracy of a color reproduction system over time, thus informing users of the need to recalibrate and/or recharacterize the system.
    Type: Grant
    Filed: October 1, 2007
    Date of Patent: April 3, 2012
    Assignee: Exxonmobil Oil Corporation
    Inventors: H. Scott Gregory, Jr., Robert J. Eller
  • Patent number: 8110176
    Abstract: This invention relates to a crystalline molecular sieve, in its ammonium exchanged form or in its calcined form, comprising unit cells with MWW topology, said crystalline molecular sieve is characterized by diffraction streaking from the unit cell arrangement in the c direction. The crystalline molecular sieve is further characterized by the arced hk0 patterns of electron diffraction pattern. The crystalline molecular sieve is further characterized by the unit cells streaking along c direction. This invention also relates to a method of making thereof.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: February 7, 2012
    Assignee: Exxonmobil Chemical Patents Inc.
    Inventors: Wieslaw J. Roth, Thomas Yorke, Douglas Lewis Dorset, Mohan Kalyanaraman, Michael Charles Kerby, Simon Christopher Weston
  • Patent number: 8110715
    Abstract: The present disclosure provides a process for selectively producing a desired monoalkylated aromatic compound comprising the step of contacting in a reaction zone an alkylatable aromatic compound with an alkylating agent in the presence of catalyst comprising a porous crystalline material under at least partial liquid phase conditions, said catalyst manufactured from extrudate to comprise catalytic particulate material of from about 125 microns to about 790 microns in size, having an Effectiveness Factor increased from about 25% to about 750% from that of the original extrudate, and having an external surface area to volume ratio of greater than about 79 cm?1.
    Type: Grant
    Filed: March 10, 2011
    Date of Patent: February 7, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Michael C. Clark, Christine N. Elia, Frederick Y. Lo, Matthew J. Vincent
  • Patent number: 8106127
    Abstract: An in-reactor polymer blend comprises (a) a propylene-containing first polymer; and (b) an ethylene-containing second polymer such that the polymer blend comprises between about 50 wt % and about 80 wt % units derived from ethylene and between about 50 wt % and about 20 wt % units derived from propylene. The blend is substantially free of dienes and the content of ethylene in the second polymer in the form of ethylene-ethylene-ethylene triads is at least 40%. The second polymer contains at least 0.1 branch having 8 or more carbon atoms per 10,000 carbons. In addition, the blend has a strain hardening index of at least 1.8, a shear thinning slope in the plot of log(dynamic viscosity) versus log(frequency) of less than ?0.2 and exhibits at least two peaks when subjected to Differential Scanning Calorimetry (first melt) corresponding to a first melting point of at least 150° C. and a second melting point of at least 40° C.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: January 31, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Carlos U. De Gracia, Kevin R. Squire, Peijun Jiang, Armenag H. Dekmezian, Beverly J. Poole, Cesar A. Garcia-Franco
  • Patent number: 8101685
    Abstract: This invention relates to an in-reactor polymer blend comprising: (a) a first ethylene-containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol and (b) a second ethylene-containing polymer having a density of less than 0.90 g/cm3, wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%. Specifically this invention relates to an in-reactor polymer blend comprising: (a) a first ethylene polymer comprising 90 to 100 wt % ethylene and from 0 to less than 10 wt % comonomer, said first ethylene polymer component having density of greater than 0.920 g/cm3, an Mw of 20,000 g/mol or more; and (b) a second ethylene polymer comprising from 70 to 90 wt % ethylene and 30 to 10 wt % comonomer, said second ethylene polymer having a density of 0.910 g/cm3 or less, wherein the polymer blend has: (a) a Tm of at least 100° C. over a density ranging from 0.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: January 24, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Peijun Jiang, Armenag H. Dekmezian, Kevin R. Squire, Cesar A. Garcia-Franco
  • Patent number: 8093336
    Abstract: A heterogeneous polymer blend comprises a dispersed phase comprising a thermoplastic first polymer having a crystallinity of at least 30% and a continuous phase comprising a second polymer different from the first polymer. The second polymer has a crystallinity of less than 20% and is at least partially cross-linked.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: January 10, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Sunny Jacob, Peijun Jiang, Aspy K. Mehta, Pradeep P. Shirodkar, Armenag H. Dekmezian, Weiqing Weng