Patents by Inventor William A. Ramsey

William A. Ramsey 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: 11370902
    Abstract: Disclosed are propylene-based articles which can provide desired glossy surface including an impact copolymer substrate and a propylene-based elastomer body part overmolding, and a method of making such articles.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: June 28, 2022
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Bin Zhao, Na Li, Jie Hui Xu, William A. Ramsey, Robert J. Wittenbrink
  • Publication number: 20200207961
    Abstract: Disclosed are propylene-based articles which can provide desired glossy surface including an impact copolymer substrate and a propylene-based elastomer body part overmolding, and a method of making such articles.
    Type: Application
    Filed: June 7, 2018
    Publication date: July 2, 2020
    Inventors: Bin Zhao, Na Li, Jie Hui Xu, William A. Ramsey, Robert J. Wittenbrink
  • Publication number: 20110059277
    Abstract: Coated articles and methods for making the same. The coated article includes a plastic substrate with a coating layer at least partially disposed about the substrate. The coating layer can include at least one propylene copolymer comprising 60 wt % to 98 wt % propylene derived units and 2 wt % to 40 wt % one or more other alpha olefins. The propylene copolymer preferably has a triad tacticity of 90% or more, a heat of fusion of less than 80 J/g, a weight average molecular weight (Mw) as measured by GPC of from 70,000 to 250,000, and a MWD of 2.0 to 2.5.
    Type: Application
    Filed: August 26, 2010
    Publication date: March 10, 2011
    Inventors: Rainer Kolb, William A. Ramsey