Patents by Inventor Harry J. Reid

Harry J. Reid 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).

  • Manufacture of improved metakaolin by grinding and use in cement-based composites and alkali-activated systems
    Publication number: 20010013302
    Abstract: In one embodiment, the present invention relates to a method of making a highly reactive pozzolan, involving the steps of forming a slurry comprising metakaolin and a liquid; wet milling the slurry; and separating the metakaolin from the liquid to provide the highly reactive pozolan. In another embodiment, the present invention relates to a method of making a cement-based composition involving the steps of providing a highly reactive pozzolan by forming a slurry comprising metakaolin and a liquid, wet milling the slurry, and separating the metakaolin from the liquid; and combining the highly reactive pozzolan with at least one cementitious material.
    Type: Application
    Filed: February 20, 2001
    Publication date: August 16, 2001
    Inventors: Sharad Mathur, Karen Ann Gruber, Harry J. Reid
  • Manufacture of improved metakaolin by grinding and use in cement-based composites and alkali-activated systems
    Patent number: 6221148
    Abstract: In one embodiment, the present invention relates to a method of making a highly reactive pozzolan, involving the steps of forming a slurry comprising metakaolin and a liquid; wet milling the slurry; and separating the metakaolin from the liquid to provide the highly reactive pozzolan. In another embodiment, the present invention relates to a method of making a cement-based composition involving the steps of providing a highly reactive pozzolan by forming a slurry comprising metakaolin and a liquid, wet milling the slurry, and separating the metakaolin from the liquid; and combining the highly reactive pozzolan with at least one cementitious material.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: April 24, 2001
    Assignee: Engelhard Corporation
    Inventors: Sharad Mathur, Karen Ann Gruber, Harry J. Reid