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).

  • Publication number: 20190233552
    Abstract: A metallocene catalyst compound can comprise a structure represented by formula (F-MC) below comprising a first cyclopentadienyl ring with carbon atoms directly connected with R1, R2, R4, and R5, and a second cyclopentadienyl ring with carbon atoms directly connected with R10, R11, R12, and R13, and a bridging group (BG) directly connecting the first and second cyclopentadienyl rings A catalyst system can include the metallocene compound, a non-coordinating anion type activator comprising a supported alumoxane or aluminum alkyl, and optionally a scavenger. A process for making a polymeric product can comprise: contacting a C2-C22 alpha-olefin feed with the catalyst system to obtain a polymerization reaction mixture; and obtaining a polymer product from the polymerization reaction mixture. A polymer product can be made by the process to exhibit at least an Mn from 7000 g/mol to 70000 g/mol and a PDI from 4.1 to 9.0.
    Type: Application
    Filed: January 17, 2019
    Publication date: August 1, 2019
    Inventors: Matthew W. Holtcamp, Subramaniam Kuppuswamy, Matthew S. Bedoya, Kevin A. Stevens
  • Patent number: 10351647
    Abstract: This invention relates to a process to polymerize olefins by contacting one or more olefins with a catalyst system comprising an organoaluminum treated layered silicate support, and a bridged metallocene compound and obtaining a polyolefin having a g?vis of 0.90 or more and an MIR of 30 or less.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: July 16, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew W. Holtcamp, Gregory S. Day, Laughlin G. McCullough, David F. Sanders
  • Publication number: 20190168203
    Abstract: A catalyst system including the product of the combination of an unbridged Group 4 metallocene compound and a 2,6-bis(imino)pyridyl iron complex is provided. A process for the polymerization of monomers (such as olefin monomers) and a polymer produced therefrom are also provided.
    Type: Application
    Filed: November 30, 2018
    Publication date: June 6, 2019
    Inventors: Matthew W. Holtcamp, Kevin A. Stevens, Laughlin G. McCullough, David F. Sanders, Subramaniam Kuppuswamy, Matthew S. Bedoya
  • Publication number: 20190161559
    Abstract: Catalyst systems including more than one metallocene catalysts and processes for using the same are provided to produce polyolefin polymers such as polyethylene polymers.
    Type: Application
    Filed: October 15, 2018
    Publication date: May 30, 2019
    Inventors: Matthew W. Holtcamp, Dongming Li, Ching-Tai Lue, Adriana S. Silva, David F. Sanders, Subramaniam Kuppuswamy, Matthew S. Bedoya
  • Publication number: 20190161567
    Abstract: Polyethylene compositions including at least 65 wt % ethylene derived units, based upon the total weight of the polyethylene composition, are provided. Films made from these polyethylene compositions are also provided as well as processes for making the same.
    Type: Application
    Filed: October 15, 2018
    Publication date: May 30, 2019
    Inventors: Dongming Li, Matthew W. Holtcamp, Ching-Tai Lue, Adriana S. Silva, David F. Sanders, Subramaniam Kuppuswamy, Matthew S. Bedoya
  • Patent number: 10294312
    Abstract: A catalyst system comprising a combination of: 1) an activator; 2) one or more metallocene catalyst compounds; 3) a support comprising an organosilica material, which may be a mesoporous organosilica material. The organosilica material may be a polymer of at least one monomer of Formula [Z1OZ2SiCH2]3 (I), where Z1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: May 21, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Gregory S. Day, David F. Sanders, David C. Calabro, Quanchang Li, Machteld M. W. Mertens
  • Publication number: 20190144576
    Abstract: Polyethylene compositions including at least 65 wt % ethylene derived units, based upon the total weight of the polyethylene composition, are provided.
    Type: Application
    Filed: October 5, 2018
    Publication date: May 16, 2019
    Inventors: Ching-Tai Lue, Adriana S. Silva, Matthew W. Holtcamp, David F. Sanders, Ryan W. Impelman, Richard E. Pequeno, Charles J. Harlan, Xuan Ye, Dongming Li, Rohan A. Hule, Matthew S. Bedoya
  • Publication number: 20190144575
    Abstract: Polyethylene compositions including at least 65 wt % ethylene derived units, based upon the total weight of the polyethylene composition, are provided.
    Type: Application
    Filed: October 5, 2018
    Publication date: May 16, 2019
    Inventors: Ching-Tai Lue, Adriana S. Silva, Matthew W. Holtcamp, David F. Sanders, Ryan W. Impelman, Richard E. Pequeno, Charles J. Harlan, Xuan Ye, Dongming Li, Matthew S. Bedoya
  • Publication number: 20190144577
    Abstract: The present disclosure provides iron-containing catalyst compounds having a carbene ligand. Catalyst compounds of the present disclosure can be asymmetric, having an electron donating side of the catalyst and an electron deficient side of the catalyst. In some embodiments, catalysts of the present disclosure provide catalyst productivity values of 500 gPgcat?1hr?1 or greater and polyolefins, such as polyethylene copolymers, having comonomer content of 8 wt % or greater, a g? vis value of 0.95 or greater, internal unsaturation content greater than 0.2 unsaturations per 1,000 carbons, broad orthogonal composition distribution, an Mn of 20,000 g/mol or greater, an Mw of 200,000 g/mol or greater, and an Mz/Mw from 2 to 5 or greater.
    Type: Application
    Filed: October 5, 2018
    Publication date: May 16, 2019
    Inventors: Matthew W. Holtcamp, Subramaniam Kuppuswamy, Matthew S. Bedoya
  • Patent number: 10287372
    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: Grant
    Filed: October 2, 2017
    Date of Patent: May 14, 2019
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Lubin Luo, Matthew W. Holtcamp, Gregory S. Day
  • Publication number: 20190127502
    Abstract: The present disclosure provides a supported catalyst system and process for use thereof. In particular, the catalyst system includes four different catalysts, a support material and an activator. The catalyst system may be used for preparing polyolefins, such as polyethylene.
    Type: Application
    Filed: September 20, 2018
    Publication date: May 2, 2019
    Inventors: Matthew W. Holtcamp, David F. Sanders, Matthew S. Bedoya, Ching-Tai Lue
  • Publication number: 20190119417
    Abstract: Polyethylene compositions including at least 65 wt % ethylene derived units, based upon the total weight of the polyethylene composition, are provided.
    Type: Application
    Filed: August 30, 2018
    Publication date: April 25, 2019
    Inventors: Dongming Li, Ching-Tai Lue, Adriana S. Silva, Matthew W. Holtcamp, David F. Sanders, Laughlin G. McCullough, Matthew S. Bedoya, Subramaniam Kuppuswamy
  • Publication number: 20190119413
    Abstract: Catalyst systems including more than one metallocene catalysts and processes for using the same are provided to produce polyolefin polymers such as polyethylene polymers.
    Type: Application
    Filed: August 30, 2018
    Publication date: April 25, 2019
    Inventors: Matthew W. Holtcamp, Dongming Li, Ching-Tai Lue, Adriana S. Silva, David F. Sanders, Laughlin G. McCullough, Matthew S. Bedoya, Subramaniam Kuppuswamy
  • Patent number: 10266622
    Abstract: A catalyst system comprising a combination of: 1) one or more catalyst compounds having at least one nitrogen linkage and at least one oxygen linkage to a transition metal; 2) a support comprising an organosilica material, which is a mesoporous organosilica material; and 3) an optional activator. Useful catalysts include ONNO-type transition metal catalysts, ONYO-Type transition metal catalysts, and/or oxadiazole transition metal catalysts. The organosilica material is a polymer of at least one monomer of Formula [z?OZ2 SiCH2]3(l), where Z1 represents a hydrogen atom, a C1-C4alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4alkoxy group, a C1-C6alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: April 23, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Matthew S. Bedoya, Charles J. Harlan, Quanchang Li, Machteld M. W. Mertens
  • Patent number: 10239967
    Abstract: A catalyst system comprising a combination of: 1) one or more catalyst compounds comprising at least one nitrogen linkage; 2) a support comprising an organosilica material, which is a mesoporous organosilica material; and 3) an optional activator. Useful catalysts include pyridyldiamido transition metal complexes, HN5 compounds, and bis(imino)pyridyl complexes. The organosilica material is a polymer of at least one monomer of Formula [Z1OZ2SiCH2]3(1), where Z1 represents a hydrogen atom, a C1-C4alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4alkoxy group, a C1-C6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 26, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Matthew S. Bedoya, Charles J. Harlan, Quanchang Li, Machteld M. W. Mertens
  • Publication number: 20190040167
    Abstract: The present disclosure provides a supported catalyst system and process for use thereof. In particular, the catalyst system includes an unbridged metallocene compound, an additional unbridged metallocene compound having a structure different than the first unbridged metallocene compound, a support material and an activator. The catalyst system may be used for preparing polyolefins.
    Type: Application
    Filed: June 22, 2018
    Publication date: February 7, 2019
    Inventors: Matthew W. Holtcamp, Laughlin G. McCullough, Matthew S. Bedoya, David F. Sanders, Charles J. Harlan, Ching-Tai Lue, Subramaniam Kuppuswamy
  • Publication number: 20190040168
    Abstract: The present invention provides a supported catalyst system comprising: a bridged group 4 metallocene compound, an iron compound, specifically a 2,6-bis(imino)pyridyl iron complex, a support material and an activator. The present invention further provides a process for polymerization of monomers (such as olefin monomers) comprising contacting one or more monomers with the above supported catalyst systems.
    Type: Application
    Filed: June 22, 2018
    Publication date: February 7, 2019
    Inventors: Matthew W. Holtcamp, Xuan Ye, Charles J. Harlan, Michelle E Titone, Matthew S Bedoya, Subramaniam Kuppuswamy, Hasnain Rangwalla
  • Patent number: 10155826
    Abstract: A catalyst system comprising a combination of: 1) one or more catalyst compounds comprising at least one oxygen linkage, such as a phenoxide transition metal compound; 2) a support comprising an organosilica material, which may be a mesoporous organosilica material; and 3) an optional activator. Useful catalysts include biphenyl phenol catalysts (BPP). The organosilica material may be a polymer of at least one monomer of Formula [Z1OZ2SiCH2]3 (I), where Z1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: December 18, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Charles J. Harlan, Quanchang Li, Machteld M. W. Mertens
  • Patent number: 10119016
    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: Grant
    Filed: July 7, 2017
    Date of Patent: November 6, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Lubin Luo, Gregory S. Day, Matthew W. Holtcamp
  • Publication number: 20180298127
    Abstract: This invention relates to a process to polymerize olefins by contacting one or more olefins with a catalyst system comprising an organoaluminum treated layered silicate support, and a bridged metallocene compound and obtaining a polyolefin having a g?vis of 0.90 or more and an MIR of 30 or less.
    Type: Application
    Filed: April 15, 2016
    Publication date: October 18, 2018
    Inventors: Matthew W. Holtcamp, Gregory S. Day, Laughlin G. McCullough, David F. Sanders