Patents by Inventor Laura L. Beecroft

Laura L. Beecroft 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).

  • Moisture-resistant aluminum nitride powder and methods of making and using
    Patent number: 5273699
    Abstract: Moisture-resistant aluminum nitride powder which is treated with an yttrium-containing compound. The method of treating the aluminum nitride compound includes (a) thoroughly mixing a slurry containing aluminum nitride powder, an yttrium-containing compound, and a solvent for the yttrium-containing compound in the absence of any surfactant and (b) removing the solvent from the slurry. The moisture-resistant aluminum nitride powder may be used in aqueous formulations for making ceramic articles.
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: December 28, 1993
    Assignee: The Dow Chemical Company
    Inventors: Arne K. Knudsen, Theresa A. Guiton, Laura L. Beecroft