Patents by Inventor Crisita Carmen H. Atienza

Crisita Carmen H. Atienza 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).

  • Publication number: 20190330394
    Abstract: The present disclosure provides borate activators, catalyst systems comprising borate activators, and methods for polymerizing olefins using borate activators. The borate activator compounds are represented by Formula (I): [R1R2R3EH]+[BR4R5R6R7]?, wherein: E is nitrogen or phosphorous; R1 is an electron deficient aromatic group; each of R2 and R3 is independently C1-C40 alkyl, C5-C22-aryl, wherein each of R1, R2, and R3 is independently unsubstituted or substituted with at least one of halide, C1-C10 alkyl, C5-C15 aryl, C6-C25 arylalkyl, and C6-C25 alkylaryl, wherein R1, R2, and R3 together comprise 15 or more carbon atoms; and each of R4, R5, R6, and R7 is aryl (such as phenyl or naphthyl), wherein at least one of R4, R5, R6, and R7 is substituted with one or more fluorine atoms.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 31, 2019
    Inventors: Catherine A. Faler, Margaret T. Whalley, Crisita Carmen H. Atienza, John R. Hagadorn
  • Publication number: 20190330139
    Abstract: The present disclosure provides borate or aluminate activators comprising cations having linear alkyl groups, catalyst systems comprising, and methods for polymerizing olefins using such activators. Specifically, the present disclosure provides activator compounds represented by Formula: [R1R2R3EH]d+[Mk+Qn]d-, wherein: E is nitrogen or phosphorous; d is 1, 2 or 3; k is 1, 2, or 3; n is 1, 2, 3, 4, 5, or 6; n?k=d; R1 is C1-C20 linear alkyl group; each of R2 and R3 is a C1-C40 linear alkyl group, a meta- and/or para-substituted phenyl group, an alkoxy group, a silyl group, a halogen, or a halogen containing group, wherein R1+R2+R3?15 carbon atoms; M is an element selected from group 13, typically B or Al; and each Q is independently a hydride, bridged or unbridged dialkylamido, halide, alkoxide, aryloxide, hydrocarbyl, substituted hydrocarbyl, halocarbyl, substituted halocarbyl, or halosubstituted-hydrocarbyl radical, provided that when Q is a fluorophenyl group, then R2 is not a C1-C40 linear alkyl group.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 31, 2019
    Inventors: Catherine A. Faler, Margaret T. Whalley, Peijun Jiang, John R. Hagadorn, Crisita Carmen H. Atienza, Alex E. Carpenter, George Rodriguez
  • Publication number: 20190275506
    Abstract: This invention relates to a polymerization catalyst system comprising group 8 or 9 containing non-coordinating anion activator, a polymerization catalyst compound, optional support, and optional scavenger. Preferably, the activator comprises a compound represented by the formula: Hs(L)mM where M is a group 8 or 9 metal, s is 0 or 1, m 1, 2, 3, or 4, each L ligand is independently C?O, NR3, PR3, where each R, independently is halogen, haloalkyl, or haloaryl) or optionally two or more L ligands may together form a multiply-valent ligand complex. Further, this invention relates to anon-coordinating anion activator represented by the formula: [Zd]+[HsLmM]d?, where M, s, m, L, are as defined above, d is 1, 2, or 3 and Z is (L?-H) or a reducible Lewis acid; L? is a neutral Lewis base; H is hydrogen, and (L?-H) is a Bronsted acid.
    Type: Application
    Filed: March 1, 2019
    Publication date: September 12, 2019
    Inventors: Alex E. Carpenter, Crisita Carmen H. Atienza
  • Publication number: 20190248935
    Abstract: A process to produce a branched ethylene-?-olefin diene elastomer comprising combining a catalyst precursor and an activator with a feed comprising ethylene, C3 to C12 ?-olefins, and a dual-polymerizable diene to obtain a branched ethylene-?-olefin diene elastomer; where the catalyst precursor is selected from pyridyldiamide and quinolinyldiamido transition metal complexes. The branched ethylene-?-olefin diene elastomer may comprise within a range from 40 to 80 wt % of ethylene-derived units by weight of the branched ethylene-?-olefin diene elastomer, and 0.1 to 2 wt % of singly-polymerizable diene derived units, 0.1 to 2 wt % of singly-polymerizable diene derived units, and the remainder comprising C3 to C12 ?-olefin derived units, wherein the branched ethylene-?-olefin diene elastomer has a weight average molecular weight (Mw) within a range from 100 kg/mole to 300 kg/mole, an average branching index (g?avg) of 0.9 or more, and a branching index at very high Mw (g?1000) of less than 0.9.
    Type: Application
    Filed: January 17, 2019
    Publication date: August 15, 2019
    Inventors: Crisita Carmen H. Atienza, Rhutesh K. Shah, Ron Walker, John R. Hagadorn, Sudhin Datta
  • Publication number: 20190248934
    Abstract: A process to produce a branched ethylene-?-olefin diene elastomer comprising combining a catalyst precursor and an activator with a feed comprising ethylene, C3 to C12 ?-olefins, and a dual-polymerizable diene to obtain a branched ethylene-?-olefin diene elastomer; where the catalyst precursor is selected from pyridyldiamide and quinolinyldiamido transition metal complexes. The branched ethylene-?-olefin diene elastomer may comprise within a range from 40 to 80 wt % of ethylene-derived units by weight of the branched ethylene-?-olefin diene elastomer, and 0.1 to 2 wt % of singly-polymerizable diene derived units, 0.1 to 2 wt % of singly-polymerizable diene derived units, and the remainder comprising C3 to C12 ?-olefin derived units, wherein the branched ethylene-?-olefin diene elastomer has a weight average molecular weight (Mw) within a range from 100 kg/mole to 300 kg/mole, an average branching index (g?avg) of 0.9 or more, and a branching index at very high Mw (g?1000) of less than 0.9.
    Type: Application
    Filed: January 17, 2019
    Publication date: August 15, 2019
    Inventors: Crisita Carmen H. Atienza, Rhutesh K. Shah, Ron Walker, John R. Hagadorn, Sudhin Datta
  • Patent number: 10358397
    Abstract: A process for producing alpha-olefin dimers comprises contacting, at a temperature of 80° C.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: July 23, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Meagan E. Evans, Crisita Carmen H. Atienza, Jo Ann M. Canich, John R. Hagadorn, David A. Cano, Gregory S. Day, Patrick C. Chen
  • Patent number: 10221260
    Abstract: Phenolate ligands and transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: March 5, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, David A. Cano, Catherine A. Faler, Kevin P. Ramirez
  • Publication number: 20190040161
    Abstract: Bis phenolate transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.
    Type: Application
    Filed: June 11, 2018
    Publication date: February 7, 2019
    Inventors: Crisita Carmen H. Atienza, David A. Cano, Catherine A. Faler
  • Publication number: 20190002366
    Abstract: A process for producing alpha-olefin dimers comprises contacting, at a temperature of 80° C.
    Type: Application
    Filed: April 9, 2018
    Publication date: January 3, 2019
    Inventors: Meagan E. Evans, Crisita Carmen H. Atienza, Jo Ann M. Canich, John R. Hagadorn, David A. Cano, Gregory S. Day, Patrick C. Chen
  • Patent number: 10138257
    Abstract: Phosphasalen transition metal complexes are disclosed for use in alkene polymerization to produce polyolefins. The transition metal complexes are represented by the formula: wherein M is a Group 4 metal; each of X1 and X2 is a univalent group, such as halogen or benzyl; each of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 is, independently, hydrogen, a substituted or unsubstituted C1-C40 hydrocarbyl radical, etc.; and R13 is a divalent C1-C20 hydrocarbyl radical or divalent substituted C1-C20 hydrocarbyl radical comprising a portion that comprises a linking backbone comprising from 2 to 18 carbon atoms linking N1 and N2.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: November 27, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: David A. Cano, Crisita Carmen H. Atienza
  • Patent number: 10000593
    Abstract: A catalyst system including the reaction product of a fluorided support, an activator, and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems, and polymers made therefrom.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 19, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Xuan Ye, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Gregory S. Day, Michelle E. Titone, David A. Cano, Matthew S. Bedoya
  • Patent number: 9994658
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a bisphenolate compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 12, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, Matthew W. Holtcamp, Xuan Ye, Gregory S. Day, David A. Cano, Machteld M. W. Mertens, Gerardo J. Majano Sanchez, Rohan A. Hule
  • Patent number: 9994657
    Abstract: This invention relates to a process to polymerize olefins comprising: i) contacting one or more olefins with a catalyst system comprising: 1) a support comprising an organoaluminum treated layered silicate and an inorganic oxide; and 2) a bisphenolate compound; and ii) obtaining olefin polymer having high molecular weight and layered silicate dispersed therein. Preferably the support is in the form of spheroidal particles.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: June 12, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, Matthew W. Holtcamp, Xuan Ye, Gregory S. Day, David A. Cano, Michelle E. Titone, Machteld M. W. Mertens, Gerardo J. Majano Sanchez
  • Patent number: 9982076
    Abstract: A catalyst system including the reaction product of a fluorided support, an activator, and at least a first transition metal catalyst compound; methods of making such catalyst systems, polymerization processes using such catalyst systems, and polymers made therefrom.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: May 29, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Xuan Ye, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Gregory S. Day, Michelle E. Titone, David A. Cano, Matthew S. Bedoya
  • Patent number: 9975973
    Abstract: Catalyst compounds and catalyst systems including an asymmetric Salan ligands having a fluorenyl moiety are disclosed. Methods of preparing such catalyst compounds and catalyst systems, polymerization processes using such catalysts systems and olefin polymers prepared according to such processes using the catalysts systems are described.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: May 22, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, David A. Cano, Meagan E. Evans
  • Publication number: 20180057513
    Abstract: Phosphasalen transition metal complexes are disclosed for use in alkene polymerization to produce polyolefins. The transition metal complexes are represented by the formula: wherein M is a Group 4 metal; each of X1 and X2 is a univalent group, such as halogen or benzyl; each of R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 is, independently, hydrogen, a substituted or unsubstituted C1-C40 hydrocarbyl radical, etc.; and R13 is a divalent C1-C20 hydrocarbyl radical or divalent substituted C1-C20 hydrocarbyl radical comprising a portion that comprises a linking backbone comprising from 2 to 18 carbon atoms linking N1 and N2.
    Type: Application
    Filed: August 1, 2017
    Publication date: March 1, 2018
    Inventors: David A. Cano, Crisita Carmen H. Atienza
  • Publication number: 20180030167
    Abstract: Phenolate ligands and transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.
    Type: Application
    Filed: July 7, 2017
    Publication date: February 1, 2018
    Inventors: Crisita Carmen H. Atienza, David A. Cano, Catherine A. Faler, Kevin P. Ramirez
  • Patent number: 9796795
    Abstract: This invention relates to a compound represented by the formula: TyCp?mMGnXq wherein: Cp? is a tetrahydroindacenyl group which may be substituted or unsubstituted, provided that when Cp? is tetrahydro-s-indacenyl: 1) the 3 and/or 4 positions are not aryl or substituted aryl, 2) the 3 position is not directly bonded to a group 15 or 16 heteroatom, 3) there are no additional rings fused to the tetrahydroindacenyl ligand, 4) T is not bonded to the 2-position, and 5) the 5, 6, or 7-position is geminally disubstituted; M is a group 3, 4, 5, or 6 transition metal; G is a heteroatom group represented by the formula JRiz where J is N, P, O or S, Ri is a C1 to C20 hydrocarbyl group, and z is 1 or 2; T is a bridging group; y is 0 or 1; X is a leaving group; m=1; n=1, 2 or 3; q=1, 2 or 3, and the sum of m+n+q is equal to the oxidation state of the transition metal.
    Type: Grant
    Filed: May 3, 2016
    Date of Patent: October 24, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jo Ann M. Canich, Crisita Carmen H. Atienza, Vyatcheslav V. Izmer, Dmitry S. Kononovich, Alexander Z. Voskoboynikov
  • Patent number: 9782763
    Abstract: Disclosed herein is the use of manganese, iron, cobalt, or nickel complexes containing tridentate pyridine di-imine ligands as hydrosilylation catalysts. These complexes are effective for efficiently catalyzing hydrosilylation reactions, as well as offering improved selectivity and yield over existing catalyst systems.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: October 10, 2017
    Assignees: MOMENTIVE PERFORMANCE MATERIALS INC., PRINCETON UNIVERSITY
    Inventors: Keith James Weller, Crisita Carmen H. Atienza, Julie Boyer, Paul Chirik, Johannes G. P. Delis, Kenrick Lewis, Susan A. Nye
  • Patent number: 9745327
    Abstract: Bis phenolate transition metal complexes are disclosed for use in alkene polymerization, with optional chain transfer agent, to produce polyolefins.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: August 29, 2017
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Crisita Carmen H. Atienza, David A. Cano, John R. Hagadorn, Rhutesh K. Shah