Patents by Inventor Jeff Harwell

Jeff Harwell 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).

  • Surfactant microemulsions
    Patent number: 10584306
    Abstract: The present invention relates to microemulsions and methods of preparing and using the microemulsions.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: March 10, 2020
    Assignees: Board of Regents of the University of Oklahoma, Novus International, Inc.
    Inventors: Scott Long, Graciela Arhancet, Brian Grady, Jeff Harwell, Guangzhe Yu
  • Anionic surfactants
    Patent number: 10329518
    Abstract: Monomeric and oligomeric compounds of Formula (I) comprising hydrophobic alkyl or alkenyl ester moieties and hydrophilic carboxylate moieties: wherein R1 is C1-C6 alkyl, R2 is Cl0-C30 alkyl or C8-C30 alkenyl, Y is a cation, Z is a sulfur-containing moiety, and n and k are integers as defined herein. The compounds of Formula (I) have surfactant properties. Also provided are compositions comprising the compounds of Formula (I), and methods of using the compounds or compositions for cleaning purposes.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: June 25, 2019
    Assignees: Board of Regents of the University of Oklahoma, Novus International, Inc.
    Inventors: Graciela B. Arhancet, Scott A. Long, Brian Grady, Jeff Harwell, Guangzhe Yu
  • SURFACTANT MICROEMULSIONS
    Publication number: 20190048287
    Abstract: The present invention relates to microemulsions and methods of preparing and using the microemulsions.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 14, 2019
    Applicant: Board of Regents of the University of Oklahoma
    Inventors: Scott Long, Graciela Arhancet, Brian Grady, Jeff Harwell, Guangzhe Yu
  • Ethoxylated surfactants
    Patent number: 9902690
    Abstract: The present invention provides sulfur- or selenium-containing compounds comprising hydrophobic moieties and ethoxylated ester or ethoxylated amide moieties such that the compounds have surfactant properties. Also provided are methods for using the disclosed compounds or mixtures thereof in a variety of applications.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: February 27, 2018
    Assignees: Novus International, Inc., Board of Regents of the University of Oklahoma
    Inventors: Graciela Arhancet, Scott Long, Xiaojun Wang, Richard Vonder Embse, Brian Grady, Jeff Harwell, Guangzhe Yu
  • ANIONIC SURFACTANTS
    Publication number: 20170002295
    Abstract: Sulfur-containing compounds comprising hydrophobic ester moieties and carboxylate moieties, wherein the compounds have surfactant properties, compositions comprising the compounds, and methods of using the compounds or compositions for cleaning purposes.
    Type: Application
    Filed: June 29, 2016
    Publication date: January 5, 2017
    Applicant: Board of Regents of the University of Oklahoma
    Inventors: Graciela B. Arhancet, Scott A. Long, Brian Grady, Jeff Harwell, Guangzhe Yu
  • ETHOXYLATED SURFACTANTS
    Publication number: 20160340302
    Abstract: The present invention provides sulfur- or selenium-containing compounds comprising hydrophobic moieties and ethoxylated ester or ethoxylated amide moieties such that the compounds have surfactant properties. Also provided are methods for using the disclosed compounds or mixtures thereof in a variety of applications.
    Type: Application
    Filed: December 22, 2014
    Publication date: November 24, 2016
    Inventors: Graciela ARHANCET, Scott LONG, Xiaojun WANG, Richard Vonder EMBSE, Brian GRADY, Jeff HARWELL, Guangzhe YU
  • Sulfoxide-based surfactants
    Patent number: 9169203
    Abstract: The present invention provides sulfoxide compounds comprising hydrophobic ester or amide moieties such that the compounds have surfactant properties. Also provided are methods for using the sulfoxide compounds or mixtures of the sulfoxide compounds in a variety of applications.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: October 27, 2015
    Assignee: Novus International, Inc.
    Inventors: Brian Grady, Jeff Harwell, Graciela Arhancet, Scott Long, Richard Vonder Embse, Guangzhe Yu