Patents Assigned to Cabot Corporation
  • High surface area graphitized carbon and processes for making same
    Patent number: 9975775
    Abstract: The invention is directed to high surface area graphitized carbon and to processes for making high surface area graphitized carbon. The process includes steps of graphitizing and increasing the surface area of (in either order) a starting carbon material to form high surface area graphitized carbon. The step of increasing the surface area optionally comprises an oxidizing step (e.g., through steam etching) or template removal from composite particles. The invention is also directed to catalyst particles and electrodes employing catalyst particles that are formed from the high surface area graphitized carbon.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: May 22, 2018
    Assignee: Cabot Corporation
    Inventors: Yipeng Sun, Jian-Ping Shen, Gordon Rice, Paolina Atanassova, Geoffrey D. Moeser
  • Aerogel based composites
    Patent number: 9969856
    Abstract: Composites, such as syntactic foams, are described. The composite contains at least one polymer and at least one aerogel. The aerogel is coated with a coating substance to at least substantially prevent the intrusion of the polymer into the pores of the aerogel. Methods of making the composite are also described, as well as uses of the composite.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: May 15, 2018
    Assignee: Cabot Corporation
    Inventors: Jameel Menashi, Ulrich Bauer, Elmar Pothmann, Andrew A. Peterson, Anna K. Wilkins, Mihai Anton, Dhaval A. Doshi, William H. Dalzell
  • Modified colorants and inkjet ink compositions comprising modified colorants
    Patent number: 9963592
    Abstract: The present invention relates to a modified colorant comprising a colorant having at least one polymer attached or adsorbed thereto. The polymer comprises at least one functional group, and various embodiments of the functional group are disclosed. For each of these embodiments, preferably the functional group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions. Thus, the present invention further relates to an inkjet ink composition comprising a) a liquid vehicle, b) at least one colorant, and c) at least one polymer comprising at least one functional group as described herein.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: May 8, 2018
    Assignee: Cabot Corporation
    Inventors: Elizabeth G. Burns, James A. Belmont, Robert J. Nick, Feng Gu
  • SULFUR REMOVAL FROM PETROLEUM FLUIDS
    Publication number: 20180119028
    Abstract: A method for removing sulfur containing compounds from petroleum liquid. The method includes contacting the petroleum liquid with an activated carbon that has a high ash content, a high metal content and a significant amount of meso and macro porosity.
    Type: Application
    Filed: April 15, 2016
    Publication date: May 3, 2018
    Applicant: Cabot Corporation
    Inventors: Mei XIN, Terry L. COLLETT, Aatif A. MISBAH
  • Composite particles and a process for making the same
    Patent number: 9926398
    Abstract: The invention provides composite particles comprising core particles having organosilica particles disposed about the core particles. The invention also provides a process for making the composite particles.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: March 27, 2018
    Assignee: Cabot Corporation
    Inventors: Qingling Zhang, Bennett Greenwood, Ravi Sharma, Geoffrey D. Moeser
  • Methods of making an elastomer composite reinforced with silica and products containing same
    Patent number: 9926413
    Abstract: Methods to make a silica elastomer composite with a destabilized dispersion of a never-dried, or as-produced, precipitated silica are described, along with silica elastomer composites made from the methods. The advantages achieved with the methods are further described.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: March 27, 2018
    Assignee: Cabot Corporation
    Inventors: Jincheng Xiong, Martin C. Green, William R. Williams, Dmitry Fomitchev, Gerald D. Adler, Duane G. McDonald, Ron Grosz, Michael D. Morris
  • Aqueous inkjet ink compositions
    Patent number: 9920209
    Abstract: Disclosed herein are aqueous inkjet ink compositions and coating compositions comprising: at least one pigment; at least one polymer; and at least one water-soluble compound having a hydroxyl number of at least 40, wherein the at least one water-soluble compound is selected from ethoxylated C3-C20 polyols, C4-C20 polyols having three or more hydroxyl groups, and polyether polyols, and wherein the at least one water-soluble compound is present in an amount ranging from 1% to by 60% weight, relative to the total weight of the composition, wherein the composition comprises a total amount of water-soluble organic components ranging from 25% to 60% by weight, relative to the total weight of the composition.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: March 20, 2018
    Assignee: Cabot Corporation
    Inventors: Tianqi Liu, Barbara E. Brys
  • Oxidized carbon blacks and applications for lead acid batteries
    Patent number: 9923205
    Abstract: Disclosed herein are oxidized carbon blacks, which can be incorporated into electrode compositions for lead acid batteries. In some embodiments, the oxidized carbon blacks have a BET surface area ranging from 650 to 2100 m2/g; an oil absorption number (OAN) ranging from 35 to 500 mL/100 g; and a volatile content of at least 5.5 wt. % relative to the total weight of the oxidized carbon black, as determined by weight loss at 950° C.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: March 20, 2018
    Assignee: Cabot Corporation
    Inventors: Andriy Korchev, Aurelien DuPasquier, Paolina Atanassova
  • Fine particle size activated carbon
    Patent number: 9908099
    Abstract: Disclosed herein are activated carbon having a particle size distribution of d95 ranging from 1 ?m to 28 ?m and a d95/d50 ratio ranging from 1.5 to 3, compositions comprising such activated carbons and methods of making the same, and methods of mercury removal from flue gas generated from coal combustion by injecting activated carbon into the flue gas.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: March 6, 2018
    Assignee: Cabot Corporation
    Inventor: Gerald D. Adler
  • High structure carbon blacks
    Patent number: 9896583
    Abstract: Disclosed herein are high structured carbon blacks, methods of synthesis and treatment, and dispersions and inkjet ink formulations prepared therefrom. The carbon black can have the following properties: OAN?170 mL/100 g; and STSA ranging from 160 to 220 m2/g. The carbon black can also have the following properties: OAN?170 mL/100 g; and a ratio of STSA/BET surface area ranging from 0.7 to 1.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: February 20, 2018
    Assignee: Cabot Corporation
    Inventors: Andrew P. Dikan, Stephane F. Rouanet, Heather E. Clarke, Bruce E. MacKay, Danny Pierre
  • Core-shell polymeric materials
    Patent number: 9873807
    Abstract: Disclosed herein are particulate core-shell materials, comprising a core comprising a polyurethane; and a shell comprising a polyacrylate, wherein the shell coats the core. Also disclosed are methods of making particulate core-shell materials, and aqueous dispersions and inkjet ink compositions comprising the same.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: January 23, 2018
    Assignee: Cabot Corporation
    Inventors: Jinqi Xu, Paul S. Palumbo
  • Method and apparatus for processing elastomer composite
    Patent number: 9855686
    Abstract: A method and configuration for automated operation of a two-roll mill. Also provided is a method for continuous or semi-continuous operation of a two-roll mill.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: January 2, 2018
    Assignee: Cabot Corporation
    Inventors: Ron Grosz, Lawrence R. Gooch
  • Carbon black for waterborne coatings
    Patent number: 9803099
    Abstract: An aqueous carbon black millbase, an aqueous carbon black liquid coating, and a method of making the millbase and liquid coating are provided. The carbon blacks are modified carbon blacks that are engineered to be able to be stirred into an aqueous vehicle without high energy milling of the carbon black. The modified carbon blacks include low organic treatment levels and the millbase and liquid coating do not require large quantities of dispersant. The resulting coatings exhibit excellent viscosity, color, hiding power and stability.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: October 31, 2017
    Assignee: Cabot Corporation
    Inventors: Lang H. Nguyen, Qingling Zhang, Lynne K. LaRochelle Richard
  • Coatings having filler-polymer compositions with combined low dielectric constant, high resistivity, and optical density properties and controlled electrical resistivity, devices made therewith, and methods for making same
    Patent number: 9790393
    Abstract: UV curable coatings containing dual phase filler-polymer compositions with high resistivity, low dielectric constant, good optical density, and controlled electrical resistivity are described, and cured coatings or films formed thereof, along with their use in black matrix, black column spacers, and other light shielding coating elements in LCD. Devices having these black matrices, black column spacers, and/or other light shielding coating elements, and methods of preparing and making these various materials and products are also described.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: October 17, 2017
    Assignee: Cabot Corporation
    Inventors: Andriy Korchev, Jeremy K. Huffman, Agathagelos Kyrlidis, Pavel A. Kossyrev, Eugene N. Step, Geoffrey D. Moeser, Qingling Zhang
  • Ink compositions
    Patent number: 9790385
    Abstract: Polyurethanes containing at least one bisphosphonate group, as well as related compositions, articles, and methods, are disclosed.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: October 17, 2017
    Assignee: Cabot Corporation
    Inventors: Jinqi Xu, Paul S. Palumbo
  • Aqueous pigment dispersions
    Patent number: 9777175
    Abstract: Disclosed herein are aqueous dispersions comprising: at least one pigment present in an amount of at least 10% by weight relative to the total weight of the dispersion, the at least one pigment being selected from oxidized carbon blacks and modified carbon blacks having attached at least one organic group; and at least one organic solvent present in an amount of at least 10% by weight relative to the total weight of the dispersion, the at least one organic solvent having a Hansen hydrogen bonding parameter (?H) ranging from 13 to 50 MPa0.5, and a Hansen polarity parameter (?p) ranging from 5 to 13 MPa0.5, wherein the dispersion is substantially free of a surfactant. Also disclosed are methods of preparing aqueous dispersions and injet ink compositions prepared from the same.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: October 3, 2017
    Assignee: Cabot Corporation
    Inventors: Tianqi Liu, Andrew P. Dikan
  • Modified colorants and inkjet ink compositions comprising modified colorants
    Patent number: 9732227
    Abstract: The present invention relates to a modified colorant comprising a colorant having attached at least one organic group. Various embodiments of the organic group are disclosed. For each of these embodiments, preferably the organic group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions.
    Type: Grant
    Filed: September 11, 2014
    Date of Patent: August 15, 2017
    Assignee: Cabot Corporation
    Inventors: Feng Gu, James A. Belmont, Elizabeth G. Burns, Paul S. Palumbo, Barry B. Corden, Yuan Yu, Ervina Halim
  • Chemical mechanical planarization slurry composition comprising composite particles, process for removing material using said composition, CMP polishing pad and process for preparing said composition
    Patent number: 9725621
    Abstract: CMP processes, tools and slurries utilize composite particles that include core particles having organosilica particles disposed about the core particles. Using these processes, tools and slurries can enhance removal rates, reduce defectivity and increase cleanability with respect to comparable systems and substrates.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: August 8, 2017
    Assignee: Cabot Corporation
    Inventors: Qingling Zhang, Bennett Greenwood, Ravi Sharma, Geoffrey D. Moeser, Brian G. Prevo, Mark J. Hampden-Smith
  • Modified colorants and inkjet ink compositions comprising modified colorants
    Patent number: 9725598
    Abstract: The present invention relates to a modified colorant comprising a colorant having at least one polymer attached or adsorbed thereto. The polymer comprises at least one functional group, and various embodiments of the functional group are disclosed. For each of these embodiments, preferably the functional group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions. Thus, the present invention further relates to an inkjet ink composition comprising a) a liquid vehicle, b) at least one colorant, and c) at least one polymer comprising at least one functional group as described herein.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: August 8, 2017
    Assignee: Cabot Corporation
    Inventors: Elizabeth G. Burns, James A. Belmont, Robert J. Nick, Feng Gu
  • Electrode formulations comprising graphenes
    Patent number: 9722248
    Abstract: Disclosed herein are cathode formulations comprising graphenes. One embodiment provides a cathode formulation comprising an electroactive material, and graphene interspersed with the electroactive material, wherein a ratio of (mean electroactive material domain size)/(mean graphene lateral domain size) ranges from 3:2 to 15:1. Also disclosed are cathodes comprising such materials and methods of making such cathodes.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: August 1, 2017
    Assignee: Cabot Corporation
    Inventors: Ned J. Hardman, Berislav Blizanac, Aurelien L. DuPasquier, Miodrag Oljaca, Agathagelos Kyrlidis