Patents by Inventor Frank E. Welsh

Frank E. Welsh 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: 20250368829
    Abstract: A non-ASTM low hysteresis carbon black chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage is herein disclosed. The surface modified low hysteresis carbon blacks are post treated to remove excess surface modified compound to form refined surface modified low hysteresis carbon blacks.
    Type: Application
    Filed: August 14, 2025
    Publication date: December 4, 2025
    Inventors: Raymond SOUFIANI, Eduardo VEGA, Lashan M.H. DE SILVA, Frank E. WELSH, Luis P. CHIBANTE
  • Patent number: 12460083
    Abstract: An unrefined surface modified low hysteresis carbon black (SMLHCB) product is described herein. The unrefined surface modified low hysteresis carbon black product contains a low hysteresis carbon black having a surface that has been modified with from about 0.1 to about 50 wt % of a surface modifier attached thereto, wherein the surface modifier comprises an amino acid and at least one amine group.
    Type: Grant
    Filed: October 14, 2024
    Date of Patent: November 4, 2025
    Assignee: Continental Carbon Co.
    Inventors: Raymond Soufiani, Eduardo Vega, Jr., Lashan Madusha Hendavitharanage De Silva, Frank E. Welsh, Luis P. Chibante
  • Patent number: 12391835
    Abstract: A non-ASTM low hysteresis carbon black chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage is herein disclosed. The surface modified low hysteresis carbon blacks are post treated to remove excess surface modified compound to form refined surface modified low hysteresis carbon blacks.
    Type: Grant
    Filed: November 6, 2024
    Date of Patent: August 19, 2025
    Assignee: CONTINENTAL CARBON CO.
    Inventors: Raymond Soufiani, Eduardo Vega, Jr., Lashan M. H. De Silva, Frank E. Welsh, Luis P. Chibante
  • Publication number: 20250059376
    Abstract: A non-ASTM low hysteresis carbon black chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage is herein disclosed. The surface modified low hysteresis carbon blacks are post treated to remove excess surface modified compound to form refined surface modified low hysteresis carbon blacks.
    Type: Application
    Filed: November 6, 2024
    Publication date: February 20, 2025
    Inventors: Raymond SOUFIANI, Eduardo VEGA, JR., Lashan M.H. DE SILVA, Frank E. WELSH, Luis P. CHIBANTE
  • Publication number: 20250034400
    Abstract: An unrefined surface modified low hysteresis carbon black (SMLHCB) product is described herein. The unrefined surface modified low hysteresis carbon black product contains a low hysteresis carbon black having a surface that has been modified with from about 0.1 to about 50 wt % of a surface modifier attached thereto, wherein the surface modifier comprises an amino acid and at least one amine group.
    Type: Application
    Filed: October 14, 2024
    Publication date: January 30, 2025
    Inventors: Raymond SOUFIANI, Eduardo VEGA, JR., Lashan Madusha Hendavitharanage DE SILVA, Frank E. WELSH, Luis P. CHIBANTE
  • Patent number: 12116485
    Abstract: A method of producing a surface modified low hysteresis carbon black (SMLHCB). The method includes treating a surface of a low hysteresis carbon black with from about 0.1 to about 50 wt % of a surface modifier to form the SMLHCB. The surface modifier includes an amino acid and at least one amine group.
    Type: Grant
    Filed: February 28, 2024
    Date of Patent: October 15, 2024
    Inventors: Raymond Soufiani, Eduardo Vega, Jr., Lashan Madusha Hendavitharanage De Silva, Frank E. Welsh, Luis P. Chibante
  • Publication number: 20240263014
    Abstract: A method of producing a surface modified low hysteresis carbon black (SMLHCB). The method includes treating a surface of a low hysteresis carbon black with from about 0.1 to about 50 wt % of a surface modifier to form the SMLHCB. The surface modifier includes an amino acid and at least one amine group.
    Type: Application
    Filed: February 28, 2024
    Publication date: August 8, 2024
    Applicant: Continental Carbon Co.
    Inventors: Raymond Soufiani, Eduardo Vega, JR., Lashan Madusha Hendavitharanage De Silva, Frank E. Welsh, Luis P. Chibante
  • Patent number: 11945956
    Abstract: Non-ASTM low hysteresis carbon blacks chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage. When compared with a standard ASTM grade compound, the disclosed surface modified low hysteresis carbon black compound shows improved rolling resistance, wet traction, and DIN abrasion, comparable to silica compounds.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: April 2, 2024
    Assignee: Continental Carbon Co.
    Inventors: Raymond Soufiani, Eduardo Vega, Jr., Lashan Madusha Hendavitharanage De Silva, Frank E. Welsh, Luis P. Chibante
  • Publication number: 20230303847
    Abstract: Non-ASTM low hysteresis carbon blacks chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage. When compared with a standard ASTM grade compound, the disclosed surface modified low hysteresis carbon black compound shows improved rolling resistance, wet traction, and DIN abrasion, comparable to silica compounds.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 28, 2023
    Applicant: Continental Carbon Co.
    Inventors: Raymond Soufiani, Eduardo Vega, Jr., Lashan Madusha Hendavitharanage De Silva, Frank E. Welsh, Luis P. Chibante
  • Patent number: 11753549
    Abstract: Non-ASTM low hysteresis carbon blacks chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage. When compared with a standard ASTM grade compound, the disclosed surface modified low hysteresis carbon black compound shows improved rolling resistance, wet traction, and DIN abrasion, comparable to silica compounds.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: September 12, 2023
    Assignee: Continental Carbon Co.
    Inventors: Raymond Soufiani, Eduardo Vega, Jr., Lashan Madusha Hendavitharanage De Silva, Frank E. Welsh, Luis P. Chibante
  • Publication number: 20220243068
    Abstract: Non-ASTM low hysteresis carbon blacks chemically treated, and surface coated with a compound comprising at least one amine group and at least one thiol group, and/or di- and/or polysulfidic linkage. When compared with a standard ASTM grade compound, the disclosed surface modified low hysteresis carbon black compound shows improved rolling resistance, wet traction, and DIN abrasion, comparable to silica compounds.
    Type: Application
    Filed: January 21, 2022
    Publication date: August 4, 2022
    Inventors: Raymond Soufiani, Eduardo Vega, JR., Lashan Madusha Hendavitharanage De Silva, Frank E. Welsh, Luis P. Chibante
  • Patent number: 7205348
    Abstract: Process of producing unvulcanized rubber useful for producing vulcanized rubber with improved hysteresis, which comprises mixing a composition comprising unvulcanized rubber, carbon black and xanthogen polysulfide at an elevated temperature in a non-productive stage and composition suitable for producing unvulcanized rubber useful for producing vulcanized rubber with improved hysteresis, which comprises unvulcanized rubber, a filler comprising carbon black and xanthogen polysulfide.
    Type: Grant
    Filed: April 7, 2004
    Date of Patent: April 17, 2007
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Joseph F. Stieber, Martin J. Hannon, L. P. Felipe Chibante, James R. Korte, Frank E. Welsh
  • Publication number: 20040192852
    Abstract: Process of producing unvulcanized rubber useful for producing vulcanized rubber with improved hysteresis, which comprises mixing a composition comprising unvulcanized rubber, carbon black and xanthogen polysulfide at an elevated temperature in a non-productive stage and composition suitable for producing unvulcanized rubber useful for producing vulcanized rubber with improved hysteresis, which comprises unvulcanized rubber, a filler comprising carbon black and xanthogen polysulfide.
    Type: Application
    Filed: April 7, 2004
    Publication date: September 30, 2004
    Inventors: Joseph F. Stieber, Martin J. Hannon, L. P. Felipe Chibante, James R. Korte, Frank E. Welsh