Patents by Inventor Ellen D. Hock

Ellen D. Hock 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).

  • Water-based polyurethane dispersions and their preparation
    Patent number: 11976211
    Abstract: A prepolymer comprising an acid group is made by a process comprising the step of contacting: (i) a di-isocyanate, (ii) a polyol containing an acid group, and (iii) a polyol without an acid group, the contacting conducted under reaction conditions and in a solvent consisting essentially of: (A) a first component consisting essentially of at least one glycol ether ketone, and (B) optionally, a second component consisting of at least one aprotic glycol ether. The prepolymer is useful in the preparation of water-based polyurethane dispersions.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: May 7, 2024
    Assignee: Dow Global Technologies LLC
    Inventors: Felipe A. Donate, Rebecca J. Wachowicz, Ellen D. Hock, Jason L. Trumble, David S. Laitar, Keosha L. Cade
  • WATER-BASED POLYURETHANE DISPERSIONS AND THEIR PREPARATIONS
    Publication number: 20220033676
    Abstract: A prepolymer comprising an acid group is made by a process comprising the step of contacting: (i) a di-isocyanate, (ii) a polyol containing an acid group, and (iii) a polyol without an acid group, the contacting conducted under reaction conditions and in a solvent consisting essentially of: (A) a first component consisting essentially of at least one glycol ether ketone, and (B) optionally, a second component consisting of at least one aprotic glycol ether. The prepolymer is useful in the preparation of water-based polyurethane dispersions.
    Type: Application
    Filed: November 19, 2019
    Publication date: February 3, 2022
    Inventors: Felipe A. Donate, Rebecca J. Wachowicz, Ellen D. Hock, Jason L. Trumble, David S. Laitar, Keosha L. Cade
  • Low VOC lubricant compositions
    Patent number: 11124727
    Abstract: Certain glycol ether diesters have improved lubrication properties.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: September 21, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: John B. Cuthbert, Felipe A. Donate, Matthew W. Entorf, Ashish Kotnis, Ellen D. Hock, Lindsey A. Clark
  • LOW VOC LUBRICANT COMPOSITIONS
    Publication number: 20200172823
    Abstract: Certain glycol ether diesters have improved lubrication properties.
    Type: Application
    Filed: June 26, 2018
    Publication date: June 4, 2020
    Applicant: Dow Global Technologies LLC
    Inventors: John B. Cuthbert, Felipe A. Donate, Matthew W. Entorf, Ashish Kotnis, Ellen D. Hock, Lindsey A. Clark