Patents Assigned to Cabot Corporation
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 9617440
    Abstract: Disclosed herein are ink compositions comprising a self-dispersed pigment in a liquid vehicle. The liquid vehicle can comprise a solvent/water mixture in which the composition further comprises a surfactant system having limited solubility/compatibility with the liquid vehicle. Also disclosed are surfactant systems comprising at least a first and a second surfactant, where the first surfactant is selected from alkoxylated alkyne-containing alkylene diols and N-alkyl pyrrolidones, and wherein the first surfactant has a solubility of less than 0.5% in a 5% glycerol/water mixture, and where the a second surfactant is selected from acetylene alcohols comprising linear or branched C1-C14 alkyls, and alkoxylated phosphate esters.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: April 11, 2017
    Assignee: Cabot Corporation
    Inventor: Tianqi Liu
  • Publication number: 20170096593
    Abstract: Surface treated modified carbon black particles and oil-based drilling fluids are described. The carbon blacks are incorporated into the oil-based drilling fluids to reduce the electrical resistivity of the oil-based drilling fluids. The surface treated carbon blacks can include a hydrophobic organic group and are readily dispersible in oil-based drilling fluids.
    Type: Application
    Filed: March 26, 2015
    Publication date: April 6, 2017
    Applicant: Cabot Corporation
    Inventors: Eugene N. Step, Michael J. Natan
  • Patent number: 9581922
    Abstract: Disclosed herein are treated fumed silica particles comprising a modified polydialkylsiloxane on the surface thereof, a method for preparing treated fumed silica particles, and a rheological system comprising a polar liquid and treated fumed silica particles. Also disclosed are toner compositions comprising toner particles and treated fumed silica particles comprising a modified polydialkylsiloxane.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 28, 2017
    Assignee: Cabot Corporation
    Inventors: Angelica Maria Sanchez Garcia, Elizabeth Sims, Sean Sullivan, Geary Graham, Hajime Kambara
  • Patent number: 9573821
    Abstract: Methods to recover or separate cesium formate or rubidium formate or both from a mixed alkali metal formate blend are described. One method involves adding cesium sulfate or rubidium sulfate to the mixed alkali metal formate blend in order to preferentially precipitate potassium sulfate from the mixed alkali metal formate blend. Another method involves adding cesium carbonate or cesium bicarbonate or both to preferentially precipitate potassium carbonate/bicarbonate and/or other non-cesium or non-rubidium metals from the mixed alkali metal blend. Further optional steps are also described. Still one other method involves converting cesium sulfate to cesium hydroxide.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: February 21, 2017
    Assignee: Cabot Corporation
    Inventor: Bart F. Bakke