Patents by Inventor William L. Ritter

William L. Ritter 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).

  • Publication number: 20210371577
    Abstract: Embodiments of the present disclosure are directed towards formulated polyol compositions that include a first polyether polyol having an average hydroxyl number from 112 to 280 mg KOH/g, a second polyether polyol having an average hydroxyl number from 18.5 to 51 mg KOH/g, a third polyether polyol having an average hydroxyl number from 20 to 70 mg KOH/g, and at least one of: fourth polyether polyol having an average hydroxyl number from 112 to 280 mg KOH/g; and a methoxypolyethylene glycol having an average hydroxyl number from 56 to 190 mg KOH/g.
    Type: Application
    Filed: October 7, 2019
    Publication date: December 2, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Qinghao Meng, Lucie Porcelli, David J. Honkomp, Meagan Broadway, Morgan A. Springs, Paul Cookson, William L. Ritter, Anja Arlt
  • Publication number: 20170267809
    Abstract: An amine hardener system useful for curing a curable resin composition including a blend of: (I) a first amine hardener comprising at least one cycloaliphatic amine; and (II) a second amine hardener comprising at least one polyetheramine; and a curable epoxy resin composition including (A) at least one epoxy resin compound; and (B) at least one curing agent; wherein the at least one curing agent includes the above amine hardener system.
    Type: Application
    Filed: November 24, 2015
    Publication date: September 21, 2017
    Inventors: Kevin J. Meyer, Gary A. Hunter, Douglas L. Potts, William L. Ritter