Patents by Inventor Nikhil C. Trivedi

Nikhil C. Trivedi 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).

  • Alkali-resistant glass fiber
    Patent number: 4830989
    Abstract: A continuous, monofilamentous, alkali-resistant glass fiber especially useful in cementitious products is conveniently prepared from a glass-forming composition comprising a magnesium silicate such as talc and a calcium carbonate such as limestone. Either the fiber itself or a strand comprising a plurality of the fiber is advantageously coated with an alkali-resistant polymer such as butadiene-styrene to provide additional alkali resistance.
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: May 16, 1989
    Assignee: Pfizer Inc.
    Inventors: Nikhil C. Trivedi, John D. Mackenzie