Patents Represented by Attorney Michael Smith

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  • Interground white blended cement
    Patent number: 6033468
    Abstract: A composition comprises anhydrous alumino-silicate, diatomaceous earth, and/or other natural pozzolans, white clinker, and white gypsum interground together and in a ratio by weight of 5-20% anhydrous alumino-silicate, diatomaceous earth, and/or other natural pozzolans, 3-7% gypsum, and 73-92% white clinker.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: March 7, 2000
    Inventors: Timothy S. Folks, Patrick M. Hill, Frank T. Sheets, III, Richard F. Ball, Joseph R. Sisneros, Jesus Uribe, Curtis W. Forrester