Patents by Inventor Jack M. Pal

Jack M. Pal 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).

  • Polyurethane and/or polyurea dispersions in active hydrogen-containing compositions
    Patent number: 5068280
    Abstract: Polyurethane and/or polyurea dispersions are prepared by reacting certain coreactants with a polyisocyanate in the presence of a preformed polyurethane and/or polyurea dispersion. The resulting products are epsecially useful to prepare flexible polyurethane foams which exhibit low shrinkage. In addition, polyurethane and/or polyurea dispersions having a bimodal particle size distribution are disclosed.
    Type: Grant
    Filed: September 12, 1989
    Date of Patent: November 26, 1991
    Assignee: The Dow Chemical Company
    Inventors: Jack M. Pal, James P. Cosman, Karen Tan