Patents by Inventor Robert D. Creehan

Robert D. Creehan 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).

  • Process for preparing composite structures
    Patent number: 5566892
    Abstract: A compounding process for preparing a composite that includes introducing one or more fillers and a matrix material into a stirred ball mill and subjecting the fillers and the matrix material to a combination of shear and impact forces under reaction conditions including reaction time sufficient to reduce the size of agglomerates formed by the fillers to a value below a pre-determined value to disperse the fillers throughout the matrix material.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: October 22, 1996
    Assignee: Hyperion Catalysis Int'l, Inc.
    Inventor: Robert D. Creehan
  • Process for preparing composite structures
    Patent number: 5445327
    Abstract: A compounding process for preparing a composite that includes introducing one or more fillers and a matrix material into a stirred ball mill and subjecting the fillers and the matrix material to a combination of shear and impact forces under reaction conditions including reaction time sufficient to reduce the size of agglomerates formed by the fillers to a value below a pre-determined value to disperse the fillers throughout the matrix material.
    Type: Grant
    Filed: June 10, 1992
    Date of Patent: August 29, 1995
    Assignee: Hyperion Catalysis International, Inc.
    Inventor: Robert D. Creehan