Patents by Inventor Matthew W. Holtcamp

Matthew W. Holtcamp 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).

  • Polymerization Process Using Bis Phenolate Compounds Supported on Organoaluminum Treated Layered Silicate Supports
    Publication number: 20170096511
    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: Application
    Filed: August 19, 2016
    Publication date: April 6, 2017
    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
  • Supported Catalyst Systems and Methods of Using Same
    Publication number: 20170096506
    Abstract: A catalyst system including the reaction product of a fluorided support (such as a fluorided silica support) that preferably has not been calcined at a temperature of 400° C. or more, 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: Application
    Filed: August 19, 2016
    Publication date: April 6, 2017
    Inventors: Xuan Ye, Matthew W. Holtcamp, Gregory S. Day, Matthew S. Bedoya, David F. Sanders, Laughlin G. McCullough
  • Polymerization Process Using Bis Phenolate Compounds Supported on Organoaluminum Treated Layered Silicate Supports
    Publication number: 20170096509
    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: Application
    Filed: August 19, 2016
    Publication date: April 6, 2017
    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
  • Polymerization Process Using Pyridyldiamido Compounds Supported on Organoaluminum Treated Layered Silicate Supports
    Publication number: 20170088641
    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 pyridyldiamido 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: Application
    Filed: August 17, 2016
    Publication date: March 30, 2017
    Inventors: Matthew W. Holtcamp, John R. Hagadorn, Gregory S. Day, Machteld M. W. Mertens, Gerardo J. Majano Sanchez, Rohan A. Hule
  • Vinyl terminated macromonomers
    Patent number: 9556287
    Abstract: Polymers produced by a process comprising contacting one or more olefins with a catalyst system comprising an activator and a Salan catalyst disposed on a support.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: January 31, 2017
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Gregory S. Day, John R. Hagadorn
  • Substituted Bis Indenyl Metallocene Catalyst Compounds Comprising -Si-Si- Bridge
    Publication number: 20170015686
    Abstract: This invention relates to novel bridged bis indenyl metallocene catalyst compounds where the bridge is —((R15*)2Si—Si(R15)2)— wherein, each R15 and R15* is identical or different and is a substituted or unsubstituted, branched or unbranched C1-C20 alkyl group, preferably each R15 together do not form a ring, and/or each R15* together do not form a ring, and/or R15 and R15* together do not form a ring. This invention also relates to polymerization processes to produce polymer and to polymer compositions produced by the methods described.
    Type: Application
    Filed: May 20, 2016
    Publication date: January 19, 2017
    Inventors: Jian Yang, Matthew W. Holtcamp, Gregory S. Day, Xiongdong Lian, Xuan Ye
  • Porous Propylene Polymers
    Publication number: 20160355653
    Abstract: This invention relates to high porosity (?15%) and/or low pore diameter (PD<165 ?m) propylene polymers and propylene polymerization processes using single site catalyst systems with supports having high surface area (SA?400 m2/g), low pore volume (PV?2 mL/g), a specific mean pore diameter range (PD=1-20 nm), and high average particle size (PS?30 ?m).
    Type: Application
    Filed: April 29, 2016
    Publication date: December 8, 2016
    Inventors: Matthew W. Holtcamp, Gregory S. Day, Jian Yang, Lubin Luo, Steven D. Brown, Rohan A. Hule
  • Heterophasic Copolymers and Sequential Polymerization
    Publication number: 20160355657
    Abstract: This invention relates to heterophasic copolymers of propylene and an alpha olefin comonomer having a high fill phase content (?15%), and heterophasic polymerization processes using a single site catalyst system with a support having high average particle size (PS?30 ?m), high surface area (SA?400 m2/g), low pore volume (PV?2 mL/g), and a mean pore diameter range of 1?PD?20 nm.
    Type: Application
    Filed: April 29, 2016
    Publication date: December 8, 2016
    Inventors: Lubin Luo, Gregory S. Day, Matthew W. Holtcamp
  • Bimodal Propylene Polymers and Sequential Polymerization
    Publication number: 20160355655
    Abstract: This invention relates to high porosity (?15%) and/or low pore diameter (PD<165 ?m) propylene polymers and propylene polymerization processes using single site catalyst systems with supports having high surface area (SA?400 m2/g), low pore volume (PV?2 mL/g), a specific mean pore diameter range (PD=1-20 nm), and high average particle size (PS?30 ?m).
    Type: Application
    Filed: April 29, 2016
    Publication date: December 8, 2016
    Inventors: Luo Lubin, Matthew W. Holtcamp, Gregory S. Day
  • Single Site Catalyst Supportation
    Publication number: 20160355656
    Abstract: This invention relates to catalyst supports having high surface area (SA?400 m2/g), low pore volume (PV?2 mL/g), a specific mean pore diameter range (PD=1-20 nm), and high average particle size (PS?30 ?m), supported catalysts, and supportation processes; and further relates to: high porosity (?15%) and/or low pore diameter (PD<165 ?m) propylene polymers; bimodal polymers and/or heterophasic copolymers based on the high porosity and/or low pore diameter propylene polymers; propylene polymerization processes using the supported catalysts and/or to prepare the high porosity and/or low pore diameter propylene polymers, bimodal polymers and/or heterophasic copolymers.
    Type: Application
    Filed: April 29, 2016
    Publication date: December 8, 2016
    Inventors: Lubin Luo, Gregory S. Day, Jian Yang, Matthew W. Holtcamp
  • Vinyl terminated polyethylene with long chain branching
    Patent number: 9464148
    Abstract: Vinyl terminated polyolefins with long chain branching produced with Salan catalysts having carbazole moieties.
    Type: Grant
    Filed: May 1, 2015
    Date of Patent: October 11, 2016
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol
  • RING OPENING CROSS METATHESIS OF VINYL TERMINATED POLYMERS AND THEIR FUNCTIONALIZED DERIVATIVES FOR FOULING MITIGATION IN HYDROCARBON REFINING PROCESSES
    Publication number: 20160264891
    Abstract: A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes functionalizing a polymer having a vinyl chain end to obtain a terminal group having one or more anhydride units, and reacting the anhydride units with a polyamine. Methods of using the compound and compositions thereof are also provided.
    Type: Application
    Filed: April 18, 2016
    Publication date: September 15, 2016
    Inventors: Man Kit NG, Glen B. BRONS, Matthew W. HOLTCAMP, Donna J. CROWTHER, Patrick BRANT, Hong CHENG, Clarence CHASE
  • RING OPENING CROSS METATHESIS OF VINYL TERMINATED POLYMERS AND THEIR FUNCTIONALIZED DERIVATIVES FOR FOULING MITIGATION IN HYDROCARBON REFINING PROCESSES
    Publication number: 20160264892
    Abstract: A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes functionalizing a polymer having a vinyl chain end to obtain a terminal group having one or more anhydride units, and reacting the anhydride units with a polyamine. Methods of using the compound and compositions thereof are also provided.
    Type: Application
    Filed: April 18, 2016
    Publication date: September 15, 2016
    Inventors: Man Kit NG, Glen B. BRONS, Matthew W. HOLTCAMP, Donna J. CROWTHER, Patrick BRANT, Hong CHENG, Clarence CHASE
  • Polyesters containing polyolefin arms
    Patent number: 9382354
    Abstract: This invention relates to a polymer product of an anhydride functionalized polymer with a cyclic epoxide, and processes for the production thereof.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: July 5, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventor: Matthew W. Holtcamp
  • Polyalphaolefins prepared using modified Salan catalyst compounds
    Patent number: 9382349
    Abstract: Polyalphaolefins and Salan catalysts, catalyst systems, and processes to produce the polyalphaolefins. Also disclosed are high-viscosity index polyalphaolefins and processes for producing them.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: July 5, 2016
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Bruce A. Harrington, Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol, Konstantin Press, Gregory S. Day
  • Reverse staged impact copolymers
    Patent number: 9376559
    Abstract: This invention relates to processes to prepare impact copolymers having an ethylene content of greater than 20 wt % using a process where ethylene polymer is made in the first stage and propylene polymer is made in the second stage.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: June 28, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Laughlin G. McCullough, Celestino M. Perez, Jr., Sarah J. Mattler
  • Polyalphaolefins prepared using modified salan catalyst compounds
    Patent number: 9365661
    Abstract: Disclosed herein are polyalphaolefins and Salan cataylsts, catalyst systems, and processes to produce the polyalphaolefins.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: June 14, 2016
    Assignees: ExxonMobil Chemical Patents Inc., Ramot at Tel-Aviv University Ltd.
    Inventors: Garth R. Giesbrecht, Matthew W. Holtcamp, Moshe Kol, Konstantin Press, Gregory S. Day
  • Processes Using Staged Hydrogen Addition
    Publication number: 20160137763
    Abstract: This invention relates to processes using staged hydrogen addition in propylene polymerization. Using this process, broad/bi-modal MWD iPP with excellent stiffness properties and melt flow rates were produced.
    Type: Application
    Filed: January 22, 2016
    Publication date: May 19, 2016
    Inventors: Matthew W. Holtcamp, Jian Yang, Celestino M. Perez, JR., Gregory S. Day, Rohan A. Hule
  • Metallocenes and Catalyst Compositions Derived Therefrom
    Publication number: 20160130374
    Abstract: This invention relates to a novel group 2, 3 or 4 transition metal metallocene catalyst compound that is asymmetric having two non-identical indenyl ligands with substitution at R2 having a branched or unbranched C1-C20 alkyl group substituted with a cyclic group or a cyclic group, R8 is an alkyl group and R4 and R10 are substituted phenyl groups.
    Type: Application
    Filed: January 19, 2016
    Publication date: May 12, 2016
    Inventors: Jian Yang, Matthew W. Holtcamp, Garth R. Giesbrecht, Gregory S. Day
  • Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes
    Patent number: 9334460
    Abstract: A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes functionalizing a polymer having a vinyl chain end to obtain a terminal group having one or more anhydride units, and reacting the anhydride units with a polyamine. Methods of using the compound and compositions thereof are also provided.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 10, 2016
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: ManKit NG, Glen Barry Brons, Matthew W. Holtcamp, Donna J. Crowther, Patrick Brant, Hong Cheng, Clarence Chase