Patents by Inventor Michael Patrick Deibold

Michael Patrick Deibold 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: 6783586
    Abstract: The present invention relates to a TiO2 pigment coated sequentially in a wet treatment process with hydrous silica and hydrous alumina both in the presence of citric acid wherein the resulting pigment is coated with from 1 to 4% amorphous alumina based on the weight of the untreated TiO2; from 3 to 6% silica glass based on the weight of the untreated TiO2.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: August 31, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Charles Robert Bettler, Michael Patrick Deibold
  • Publication number: 20030089278
    Abstract: The present invention relates to a TiO2 pigment coated sequentially in a wet treatment process with hydrous silica and hydrous alumina both in the presence of citric acid wherein the resulting pigment is coated with from 1 to 4% amorphous alumina based on the weight of the untreated TiO2; from 3 to 6% silica glass based on the weight of the untreated TiO2.
    Type: Application
    Filed: October 29, 2002
    Publication date: May 15, 2003
    Inventors: Charles Robert Bettler, Michael Patrick Deibold