Patents by Inventor Venkatarao K. Pai

Venkatarao K. Pai 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).

  • 1,3,5-Triazine carbamates from amino-1,3,5-triazines and organic carbonates and curable compositions thereof
    Patent number: 6288226
    Abstract: Provided is a process for preparing an at least bis-carbamate functional 1,3,5-triazine by contacting an at least diamino-1,3,5-triazine, an acyclic organic carbonate and a base, as well as certain novel compositions producible thereby. Also provided are substantially halogen contamination free crosslinker compositions comprising the products obtainable by the process, and curable compositions based upon these crosslinkers.
    Type: Grant
    Filed: October 6, 1998
    Date of Patent: September 11, 2001
    Assignee: Cytec Technology Corporation
    Inventors: Lawrence A. Flood, Ram B. Gupta, Revathi Iyengar, David A. Ley, Venkatarao K. Pai