Patents by Inventor Charles R. Herd

Charles R. Herd 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).

  • LOWER SURFACE AREA CARBON BLACK AND ELASTOMERIC COMPOSITIONS COMPRISING SAME
    Publication number: 20240052171
    Abstract: Carbon black for use in elastomeric compositions, together with methods for the manufacture and use thereof.
    Type: Application
    Filed: December 17, 2021
    Publication date: February 15, 2024
    Inventors: Lewis B. Tunnicliffe, Charles R. Herd
  • NANOCELLULOSE DISPERSION COMPOSITIONS CONTAINING CARBON BLACK FOR TIRE APPLICATIONS
    Publication number: 20230071816
    Abstract: Nanocellulose dispersion compositions containing a partitioning agent and a nanocellulose, and methods of making the nanocellulose dispersion compositions, are disclosed. These nanocellulose dispersion compositions can be used in tire formulations with carbon black and a suitable elastomer to produce articles of manufacture for use in tire and tread applications.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 9, 2023
    Applicants: BIRLA CARBON U.S.A., INC., GRANBIO INTELLECTUAL PROPERTY HOLDINGS, LLC
    Inventors: Charles R. HERD, Zachary A. COMBS, Lewis B. TUNNICLIFFE, Kimberly NELSON, Shaobo PAN
  • Electrically Conductive Carbon Black
    Publication number: 20220281748
    Abstract: Carbon black for use in elastomeric compositions, together with methods for the manufacture and use thereof.
    Type: Application
    Filed: May 9, 2022
    Publication date: September 8, 2022
    Inventor: Charles R. Herd
  • METHODS FOR IMPROVING NANOCELLULOSE DISPERSION IN ELASTOMERIC COMPOUNDS, AND COMPOSITIONS CONTAINING DISPERSED NANOCELLULOSE IN ELASTOMER COMPOUNDS
    Publication number: 20210395493
    Abstract: Nanocellulose dispersion compositions containing a partitioning agent and a nanocellulose, and methods of making the nanocellulose dispersion compositions, are disclosed. These compositions can promote improved dispersibility of the nanocellulose fibrils and nanocellulose crystals in polymer matrices, such as in elastomer formulations for use in tire production.
    Type: Application
    Filed: October 21, 2019
    Publication date: December 23, 2021
    Inventors: Charles R. HERD, Zachary A. COMBS, Lewis B. TUNNICLIFFE, Kimberly NELSON, Shaobo PAN
  • METHODS FOR IMPROVING NANOCELLULOSE DISPERSION IN ELASTOMERIC COMPOUNDS, AND COMPOSITIONS CONTAINING DISPERSED NANOCELLULOSE IN ELASTOMER COMPOUNDS
    Publication number: 20210380787
    Abstract: Nanocellulose dispersion compositions containing a partitioning agent and a nanocellulose, and methods of making the nanocellulose dispersion compositions, are disclosed. These compositions can promote improved dispersibility of the nanocellulose fibrils and nanocellulose crystals in polymer matrices, such as in elastomer formulations for use in tire production.
    Type: Application
    Filed: October 21, 2019
    Publication date: December 9, 2021
    Inventors: Charles R. HERD, Zachary A. COMBS, Lewis B. TUNNICLIFFE, Kimberly NELSON, Shaobo PAN
  • Rubber Composition with Surface Modified Carbon Black and Functionalized Process Oil
    Publication number: 20210340360
    Abstract: Rubber composition with surface-modified carbon black and functionalized process oil.
    Type: Application
    Filed: August 5, 2019
    Publication date: November 4, 2021
    Inventors: CHARLES R HERD, ZACHARY A COMBS, CRISTINA BERGMANN, JURGEN TRIMBACH
  • Functionalized Carbon Black for Interaction with Liquid or Polymer Systems
    Publication number: 20210009788
    Abstract: A functionalized carbon black optimized for statistically beneficial interaction with a liquid and/or polymer system, and methods for preparing and using the same.
    Type: Application
    Filed: June 21, 2018
    Publication date: January 14, 2021
    Applicant: Birla Carbon U.S.A., Inc.
    Inventors: Charles R Herd, Zachary A COMBS
  • High Resistivity Rubber Compositions Comporising Oxidized Carbon Bkack
    Publication number: 20200369851
    Abstract: A rubber composition containing an oxidized carbon black and exhibiting a significantly increased volume resistivity.
    Type: Application
    Filed: November 13, 2018
    Publication date: November 26, 2020
    Applicant: Birla Carbon U.S.A., Inc.
    Inventors: Charles R HERD, Zachary A. COMBS, Lewis B TUNNICLIFFE
  • Epoxidized Natural Rubber Composition
    Publication number: 20200131344
    Abstract: Epoxidized natural rubber compositions, elastomer blends containing an epoxidized natural rubber, and materials containing carbon black and epoxidized natural rubber.
    Type: Application
    Filed: July 9, 2018
    Publication date: April 30, 2020
    Inventors: Charles R HERD, John C CURTIS, Zachary A. COMBS, Andrew V CHAPMAN, Stuart COOK, Paul S BROWN, Graham T SPILLER, Jaymini PATEL
  • CARBON BLACK COMPOSITION WITH SULFUR DONER
    Publication number: 20190002702
    Abstract: Carbon black composition with a sulfur donor, and elastomeric compositions comprising the same, together with methods for preparing and using the same.
    Type: Application
    Filed: December 15, 2016
    Publication date: January 3, 2019
    Inventors: Charles R. Herd, Zachary A. Combs
  • Carbonaceous material with dissociated aggregate size and particle size distribution and improved dispersibility
    Patent number: 7847009
    Abstract: The present invention claims that a carbon black with unique morphological properties provides improved carbon black dispersion and improved rubber compound properties, such as improved fatigue life and abrasion resistance. The carbon black of current invention has a ratio of aggregate size HI and particle size HI greater than 1.70, the surface area STSA of 100-180 M2/g and the structure OAN less than 140 cc/100 g.
    Type: Grant
    Filed: November 17, 2008
    Date of Patent: December 7, 2010
    Assignee: Columbian Chemicals Company
    Inventors: Weidong Wong, Charles R. Herd, Jorge A. Ayala
  • CARBONACEOUS MATERIAL WITH BROAD AGGREGATE SIZE DISTRIBUTION AND IMPROVED DISPERSIBILITY
    Publication number: 20090247686
    Abstract: A carbon black with a ?D50/M greater than about 0.9. The carbon black has an aggregate heterogeneity index (HI) via QTM of greater than about 2.3. The carbon black has a ?D50 via DCP of greater than about 0.07. The QTM-HI of the present carbon black is unique for N100-200 series carbon blacks, as is the ?D50. The carbon black is a N200 carbon black with an oil absorption number (OAN) less than about 135 and a HI of greater than about 2.3. The carbon black is also a N200 carbon black with an oil absorption number (OAN) less than about 135 and a ?D50 of greater than about 0.07. The present invention also relates to a polymeric composition and to tires comprising a carbon black of the present invention.
    Type: Application
    Filed: June 28, 2007
    Publication date: October 1, 2009
    Inventors: Weidong Wang, Charles R. Herd, Jorge A. Ayala
  • CARBONACEOUS MATERIAL WITH DISSOCIATED AGGREGATE SIZE AND PARTICLE SIZE DISTRIBUTION AND IMPROVED DISPERSIBILITY
    Publication number: 20090163617
    Abstract: The present invention claims that a carbon black with unique morphological properties provides improved carbon black dispersion and improved rubber compound properties, such as improved fatigue life and abrasion resistance. The carbon black of current invention has a ratio of aggregate size HI and particle size HI greater than 1.70, the surface area STSA of 100-180 M2/g and the structure OAN less than 140 cc/100 g.
    Type: Application
    Filed: November 17, 2008
    Publication date: June 25, 2009
    Applicant: Columbian Chemicals Company (a Delaware Corporation)
    Inventors: Weidong WONG, Charles R. Herd, Jorge A. Ayala
  • Carbonaceous material with broad aggregate size distribution and improved dispersibility
    Patent number: 7238741
    Abstract: A carbon black with a ?D50/M greater than about 0.9 was produced. The carbon black has an aggregate heterogeneity index (HI) via QTM of greater than about 2.3. The carbon black has a ?D50 via DCP of greater than about 0.07 ?m. The QTM-HI of the present carbon black is unique for N100-200 series carbon blacks, as is the ?D50. The carbon black is a N200 carbon black with an oil absorption number (OAN) less than about 135 ml/100 g and a HI of greater than about 2.3. The carbon black is also a N200 carbon black with an oil absorption number (OAN) less than about 135 ml/100 g and a ?D50 of greater than about 0.07 ?m. The present invention also relates to a polymeric composition and to tires comprising a carbon black of the present invention.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: July 3, 2007
    Assignee: Columbian Chemicals Company
    Inventors: Weidong Wang, Charles R. Herd, Jorge A. Ayala