Patents by Inventor Marvin K. Tegen

Marvin K. Tegen 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).

  • Strong acid catalyst composition
    Patent number: 9968920
    Abstract: A catalyst prepared by polymerizing 0-98 weight % butylstyrene; 0-80 weight % vinyl toluene; 1.5-25 weight % divinyl benzene having 1-98 weight % of ethyl vinyl benzene; and 0-80 weight % styrene. Copolymer beads are made, sulfonated, and used as a catalyst.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: May 15, 2018
    Assignees: ROHM AND HAAS COMPANY, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Daryl J. Gisch, William I. Harris, Dennis A. Keeley, Marvin K. Tegen, Robert J. Olsen, Jose Antonio Trejo-O'Reilly
  • STRONG ACID CATALYST COMPOSITION
    Publication number: 20150011383
    Abstract: A catalyst prepared by polymerizing 0-98 weight % butylstyrene; 0-80 weight % vinyl toluene; 1.5-25 weight % divinyl benzene having 1-98 weight % of ethyl vinyl benzene; and 0-80 weight % styrene. Copolymer beads are made, sulfonated, and used as a catalyst.
    Type: Application
    Filed: December 20, 2012
    Publication date: January 8, 2015
    Inventors: Daryl J. Gisch, William I. Harris, Dennis A. Keeley, Marvin K. Tegen, Robert J. Olsen, Jose Antonio Trejo-O'Reilly
  • PROCESS FOR PREPARING A STRONG ACID CATALYST
    Publication number: 20150005155
    Abstract: A process for preparing a strong acid catalyst by polymerizing 0-98 weight % butylstyrene; 0-80 weight % vinyl toluene; 1.5-25 weight % divinyl benzene having 1-98 weight % of ethyl vinyl benzene; and 0-80 weight % styrene. Copolymer beads are made, sulfonated, and used as a catalyst.
    Type: Application
    Filed: December 19, 2012
    Publication date: January 1, 2015
    Inventors: Daryl J. Gisch, William I. Harris, Dennis A. Keeley, Marvin K. Tegen, Robert J. Olsen, Jose Antonio Trejo-O'Reilly