Patents by Inventor John R. Polaski

John R. Polaski 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).

  • Patent number: 5432221
    Abstract: A hydroxy-functional acrylic polymer useful in multicomponent curable compositions wherein the curable composition contains castor oil and at least one polyisocyanate in addition to the hydroxy-functional acrylic polymer. The hydroxy-functional acrylic polymer comprises vinyl toluene, a monomer selected from lauryl methacrylate and stearyl methacrylate, and a hydroxy-functional monomer selected from hydroxypropyl methacrylate and hydroxypropyl acrylate, and is compatible with castor oil.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: July 11, 1995
    Assignee: The Sherwin-Williams Company
    Inventors: John R. Polaski, Julie E. Slawikowski