Patents Represented by Attorney Barbara J. Sutherland

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  • Process for the preparation of submicron-sized titanium diboride
    Patent number: 4689129
    Abstract: Ultrafine titanium diboride powder is produced by subjecting a gaseous mixture of BCl.sub.3, H.sub.2, and TiCl.sub.4 to an amount of laser radiation effective to convert at least a portion of the volatile boron and titanium sources to titanium diboride. The TiB.sub.2 powders consist primarily of monodispersed equiaxial particles having a diameter of about 0.025 micron to about 0.3 micron.
    Type: Grant
    Filed: July 16, 1985
    Date of Patent: August 25, 1987
    Assignee: The Dow Chemical Company
    Inventor: Arne K. Knudsen