Patents Assigned to Cabot Corporation
  • Lead-acid batteries and pastes therefor
    Patent number: 9112231
    Abstract: A paste suitable for a negative plate of a lead-acid battery comprises lead oxide and composite particles comprising carbon and silica.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: August 18, 2015
    Assignee: Cabot Corporation
    Inventors: Paolina Atanassova, Berislav Blizanac, Toivo Kodas, Mark Hampden-Smith, Miodrag Oljaca
  • Methods for making aerogel composites
    Patent number: 9102076
    Abstract: Composites such as self-supporting rigid composites that include aerogel have low thermal conductivity and attractive mechanical properties. Methods for preparing such composites include, for example, combining an aerogel-containing material with a binder to form a slurry and allowing the slurry to harden. At least part of the hardening process in conducted under compression.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: August 11, 2015
    Assignee: Cabot Corporation
    Inventors: Dhaval Arun Doshi, Thomas Michael Miller, Joshua Harby Chase, Catherine Meryl Norwood
  • Elastomer composite with silica-containing filler and methods to produce same
    Patent number: 9096735
    Abstract: An elastomer composite with silica-containing filler is described, along with methods to make the same. The advantages achieved with the elastomer composite and methods are further described.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: August 4, 2015
    Assignee: Cabot Corporation
    Inventors: Michael D. Morris, Anand Prakash, Frederick H. Rumpf
  • Elastomeric Composites Containing Modified Fillers And Functionalized Elastomers
    Publication number: 20150183962
    Abstract: Elastomeric compositions are described which have at least one functionalized elastomer and at least one modified filler which has adsorbed and/or attached chemical groups, such as a triazole and/or pyrazole thereon, or other modified fillers which are also described. Methods are further described to improve hysteresis and/or abrasion resistance in elastomeric compositions containing a functionalized elastomer using the modified fillers of the present invention.
    Type: Application
    Filed: March 2, 2012
    Publication date: July 2, 2015
    Applicant: Cabot Corporation
    Inventors: James A. Belmont, Vijay R. Tirumala, Ping Zhang
  • High structure carbon blacks
    Patent number: 9056994
    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: July 12, 2013
    Date of Patent: June 16, 2015
    Assignee: Cabot Corporation
    Inventors: Andrew P. Dikan, Stephane F. Rouanet, Heather E. Clarke, Bruce E. MacKay, Danny Pierre
  • Polymeric pigment systems and methods
    Patent number: 9056991
    Abstract: A composition useful as an inkjet ink is described as well as methods of making the composition. The composition includes a pigment and a polymer and the polymer may include a polyurethane. The composition exhibits properties that make it useful in thermal and piezo inkjet applications.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: June 16, 2015
    Assignee: Cabot Corporation
    Inventor: Heather E. Clarke
  • High surface area and low structure carbon blacks for energy storage applications
    Patent number: 9053871
    Abstract: The present invention, in part, relates to a carbon black having a) a nitrogen BET surface area (BET) of from about 600 m2/g to about 2100 m2/g, b) a CDBP value in mL/100 g of from about (?2.8+(b*BET)) to about (108+(b*BET)), where b is 0.087 and BET is expressed in m2/g, and c) an apparent density (p, g/cm3) of at least about 0.820+q*BET, where q=?2.5×10?4, as determined at a compressive force (P) of 200 kgf/cm2 on dry carbon black powder. Energy storage devices, such as electrochemical double layer capacitors (EDLC's), containing the carbon black are also disclosed. Methods for making the carbon blacks and EDLC's made with them are also provided.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: June 9, 2015
    Assignee: Cabot Corporation
    Inventors: Agathagelos Kyrlidis, Raymond M. Sawka, Geoffrey D. Moeser, Pavel A. Kossyrev, Ned J. Hardman
  • Methods to recover cesium or rubidium from secondary ore
    Patent number: 9045812
    Abstract: A method to recover cesium, rubidium, or both from secondary ore is described and involves using scans and sorting techniques. Refined secondary ore is further described.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: June 2, 2015
    Assignee: Cabot Corporation
    Inventors: Bart Bakke, Claude Deveau
  • Siloxane removal from gases using lignite-enhanced activated carbons and adsorbent media used therefor
    Patent number: 9023755
    Abstract: A method of removing siloxanes from a gas stream includes flowing the gas stream that carries siloxanes through an adsorbent media to remove at least part of the siloxanes from the gas stream, wherein the adsorbent media comprises lignite-based activated carbon. A spent adsorbent media is provided that contains the lignite-based activated carbon through which a gas stream containing siloxanes has been at least partially purified, and which may be regenerated.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: May 5, 2015
    Assignee: Cabot Corporation
    Inventors: David Herrera, Patton M. Adams
  • High surface area graphitized carbon and processes for making same
    Patent number: 9017837
    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: February 19, 2008
    Date of Patent: April 28, 2015
    Assignee: Cabot Corporation
    Inventors: Yipeng Sun, Jian-Ping Shen, Gordon Rice, Paolina Atanassova, Geoffrey D. Moeser
  • Oxidized Carbon Blacks Treated with Polyetheramines and Coating Compositions Comprising Same
    Publication number: 20150087764
    Abstract: Disclosed herein are materials and compositions comprising: an oxidized carbon black having a BET surface area ranging from 50 to 700 m2/g, a DBP oil adsorption number ranging from 50 to 200 mL/100 g, and a primary particle size ranging from 7 to 30 nm; and a polyetheramine comprising ethylene oxide and propylene oxide monomers, wherein the polyetheramine coats the oxidized carbon black. Also disclosed are coatings and coating compositions comprising these materials and methods of making the same.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 26, 2015
    Applicant: Cabot Corporation
    Inventors: Angelica Maria Sanchez Garcia, Eugene N. Step, Jeffrey Scott Sawrey, Lang H. Nguyen, Joshua B. Preneta
  • Modified fillers and elastomeric composites comprising same
    Patent number: 8975316
    Abstract: Modified fillers are described which have adsorbed and/or attached chemical groups, such as a triazole and/or pyrazole thereon. Other modified fillers are also described. Elastomeric compositions containing the modified filler are further described, as well as methods to improve hysteresis and/or abrasion resistance in elastomeric compositions using the modified fillers of the present invention.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: March 10, 2015
    Assignee: Cabot Corporation
    Inventors: James A. Belmont, Vijay R. Tirumala
  • Treated metal oxide particles and toner compositions
    Patent number: 8945804
    Abstract: Treated metal oxide particles include metal oxide particles treated with at least a charge modifying agent. The charge modifying agent is represented by the following formula: An-Zc—Yb—Ar(EW)a wherein Ar represents an aromatic group, EW represents an electron withdrawing group, Y represents a spacer group, Z represents an alkylene group, An represents an anchor group, a is an integer from 1 to 5, b is 0 or 1, and c is 0 or 1. The treated metal oxide particles may also be treated with a second charge modifying agent or with a hydrophobicity-imparting agent. A toner composition including toner particles and treated metal oxide particles is also disclosed.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: February 3, 2015
    Assignee: Cabot Corporation
    Inventors: Jinsong Liu, Hairuo Tu, Dmitry Fomitchev
  • Lead-acid batteries and pastes therefor
    Patent number: 8932482
    Abstract: A paste suitable for a negative plate of a lead-acid battery, the paste comprising lead oxide and carbon black, wherein the carbon black has the following properties: (a) a BET surface area between about 100 and about 2100 m2/g; and (b) an oil adsorption number (OAN) in the range of about 35 to about 360 cc/100 g, provided that the oil absorption number is less than the 0.14×the BET surface area+65.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: January 13, 2015
    Assignee: Cabot Corporation
    Inventors: Paolina Atanassova, Berislav Blizanac, Miodrag Oljaca, Toivo T. Kodas, Geoffrey D. Moeser, Pavel A. Kossyrev, Ned J. Hardman
  • Surface modification of pigments and compositions comprising the same
    Patent number: 8927648
    Abstract: Disclosed herein is a method of making a modified pigment, comprising: reacting, under Mitsunobu conditions: (a) a first reactant comprising a protonated nucleophile having a pKa<15, and (b) a second reactant comprising a hydroxyl-containing organic group, wherein a pigment is attached to either the first or second reactant. The method further comprises forming the modified pigment having attached an organic species comprising the nucleophile bonded to the organic group, with the net elimination of a proton and a hydroxyl. Also disclosed herein are modified pigments, which can have applications in chemical toners, inkjet ink and electrophoretic ink compositions, black matrix materials, color filters, and coatings.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: January 6, 2015
    Assignee: Cabot Corporation
    Inventors: Qingling Zhang, Lynne K. LaRochelle Richard
  • High surface area and low structure carbon blacks for energy storage applications
    Patent number: 8895142
    Abstract: The present invention, in part, relates to a carbon black having a) a nitrogen BET surface area (BET) of from about 600 m2/g to about 2100 m2/g, b) a CDBP value in mL/100 g of from about (?2.8+(b*BET)) to about (108+(b*BET)), where b is 0.087 and BET is expressed in m2/g, and c) an apparent density (p, g/cm3) of at least about 0.820+q*BET, where q=?2.5×10?4, as determined at a compressive force (P) of 200 kgf/cm2 on dry carbon black powder. Energy storage devices, such as electrochemical double layer capacitors (EDLC's), containing the carbon black are also disclosed. Methods for making the carbon blacks and EDLC's made with them are also provided.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: November 25, 2014
    Assignee: Cabot Corporation
    Inventors: Agathagelos Kyrlidis, Raymond M. Sawka, Geoffrey D. Moeser, Pavel A. Kossyrev, Ned J. Hardman
  • Hydrophobic silica particles and method of producing same
    Patent number: 8895145
    Abstract: Hydrophobic silica particles are produced by reacting them with a hydrosiloxane agent.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: November 25, 2014
    Assignee: Cabot Corporation
    Inventors: Alyson M. Christopher, George Eid, Joachim K. Floess, Dmitry Fomitchev, Jincheng Xiong
  • Method for carbon black production using preheated feedstock and apparatus for same
    Patent number: 8871173
    Abstract: Methods for production of carbon black using high temperature feedstock at temperatures exceeding about 300° C. with fouling control are provided. An apparatus for production of carbon black according to these methods also is provided.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: October 28, 2014
    Assignee: Cabot Corporation
    Inventors: Serguei Nester, Frederick H. Rumpf, Yakov E. Kutsovsky, Charles A. Natalie
  • Elastomer Composite with Silica-Containing Filler and Methods to Produce Same
    Publication number: 20140316058
    Abstract: An elastomer composite with silica-containing filler is described, along with methods to make the same. The advantages achieved with the elastomer composite and methods are further described.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Applicant: Cabot Corporation
    Inventors: Michael D. Morris, Anand Prakash, Frederick H. Rumpf
  • Modified colorants and inkjet ink compositions comprising modified colorants
    Patent number: 8858695
    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: October 31, 2006
    Date of Patent: October 14, 2014
    Assignee: Cabot Corporation
    Inventors: Feng Gu, James A. Belmont, Elizabeth G. Burns, Paul S. Palumbo, Barry B. Corden, Yuan Yu, Ervina Halim