Patents by Inventor Ronnie L. Hoskins

Ronnie L. Hoskins 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: 6544328
    Abstract: A process for preparing an improved pigment which is readily dispersible in paints and plastics concentrates is provided. In accordance with the process, a particulate pigment is mixed with water to form a slurry thereof, and a surface active agent is mixed with the slurry so that the pigment therein is coated therewith. A preferred surface active agent is a mixture of ethoxylated sorbitan derivatives, non-ethoxylated mono and diglycerides and ethoxylated mono and diglycerides. After the pigment has been coated with the surface active agent, the coated pigment is dried.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: April 8, 2003
    Assignee: Kerr-McGee Chemical LLC
    Inventors: Bruce L. Roberts, Jeffrey D. Elliott, Ronnie L. Hoskins, Bruce R. Palmer
  • Publication number: 20030029358
    Abstract: A process for preparing an improved pigment which is readily dispersible in paints and plastics concentrates is provided. In accordance with the process, a particulate pigment is mixed with water to form a slurry thereof, and a surface active agent is mixed with the slurry so that the pigment therein is coated therewith. A preferred surface active agent is a mixture of ethoxylated sorbitan derivatives, non-ethoxylated mono and diglycerides and ethoxylated mono and diglycerides. After the pigment has been coated with the surface active agent, the coated pigment is dried.
    Type: Application
    Filed: January 26, 2001
    Publication date: February 13, 2003
    Inventors: Bruce L. Roberts, Jeffrey D. Elliott, Ronnie L. Hoskins, Bruce R. Palmer