Patents by Inventor David K. Mulkey

David K. Mulkey 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).

  • Patent number: 11584822
    Abstract: Polyurethane-polyisocyanurate foams are prepared using a polyether polyol made from an alkylene oxide mixture that contains a specified proportion of ethylene oxide. The selection of proper polyol equivalent weight and ethylene oxide content leads to the production of foams having a useful combination of properties.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: February 21, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Adebola O. Ogunniyi, Aiping Hu, Kaoru Aou, Robert S. York, Melissa M. Rose, Arne Anderson, David K. Mulkey
  • Publication number: 20210189056
    Abstract: Polyurethane-polyisocyanurate foams are prepared using a polyether polyol made from an alkylene oxide mixture that contains a specified proportion of ethylene oxide. The selection of proper polyol equivalent weight and ethylene oxide content leads to the production of foams having a useful combination of properties.
    Type: Application
    Filed: June 3, 2019
    Publication date: June 24, 2021
    Inventors: Adebola O. Ogunniyi, Aiping Hu, Kaoru Aou, Robert S. York, Melissa M. Rose, Arne Anderson, David K. Mulkey
  • Patent number: 8399532
    Abstract: Embodiments of the disclosure include aromatic polyol compositions, resin blend compositions, and spray foam compositions.
    Type: Grant
    Filed: May 18, 2010
    Date of Patent: March 19, 2013
    Assignee: Invista North America S.A R.L.
    Inventor: David K. Mulkey
  • Publication number: 20100298459
    Abstract: Embodiments of the disclosure include aromatic polyol compositions, resin blend compositions, and spray foam compositions.
    Type: Application
    Filed: May 18, 2010
    Publication date: November 25, 2010
    Applicant: INVISTA NORTH AMERICA S.A R.L.
    Inventor: DAVID K. MULKEY