Patents by Inventor Kristeen Joseph

Kristeen Joseph 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).

  • Aromatic surfactants
    Patent number: 11236057
    Abstract: Disclosed are compounds of the Formula 1 wherein A is an aromatic moiety; H is a hydrophobic group comprising a main alkyl chain having from about 3 to about 26 carbon atoms and comprising a C2 or greater alkyl chain branched from the main alkyl chain; and K is a hydrophilic group.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: February 1, 2022
    Assignee: REGENTS OF THE UNIVERSITY OF MINNESOTA
    Inventors: Christoph Krumm, Kristeen Joseph, Dae Sung Park, Mahesh Mahanthappa, Paul J. Dauenhauer
  • Methods of forming aromatic containing compounds
    Patent number: 10618881
    Abstract: Methods that include acylating an aromatic containing compound by reacting the aromatic containing compound with an anhydride containing compound to form an acylated aromatic containing compound.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: April 14, 2020
    Assignees: Regents of the University of Minnesota, University of Delaware
    Inventors: Dae Sung Park, Christoph Krumm, Maura Koehle, Kristeen Joseph, Dionisos G. Vlachos, Raul F. Lobo, Paul J. Dauenhauer
  • METHODS OF FORMING AROMATIC CONTAINING COMPOUNDS
    Publication number: 20180327376
    Abstract: Methods that include acylating an aromatic containing compound by reacting the aromatic containing compound with an anhydride containing compound to form an acylated aromatic containing compound.
    Type: Application
    Filed: November 7, 2016
    Publication date: November 15, 2018
    Inventors: Dae Sung Park, Christoph Krumm, Maura Koehle, Kristeen Joseph, Dionisos G. Vlachos, Raul F. Lobo, Paul J. Dauenhauer
  • AROMATIC SURFACTANTS
    Publication number: 20180327375
    Abstract: Disclosed are compounds of the Formula 1 wherein A is an aromatic moiety; H is a hydrophobic group comprising a main alkyl chain having from about 3 to about 26 carbon atoms and comprising a C2 or greater alkyl chain branched from the main alkyl chain; and K is a hydrophilic group.
    Type: Application
    Filed: November 7, 2016
    Publication date: November 15, 2018
    Inventors: Christoph Krumm, Kristeen Joseph, Dae Sung Park, Mahesh Mahanthappa, Paul J. Dauenhauer