Patents by Inventor Loretta Ann Wieckowski

Loretta Ann Wieckowski 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).

  • Emulsion polymers
    Patent number: 6596804
    Abstract: An emulsion polymer and a method for preparing the emulsion polymer by the free radical polymerization of at least one first ethylenically unsaturated monomer to form a first emulsion polymer and the subsequent treatment of the first emulsion polymer with a colloidal stabilizer, at least one second ethylenically unsaturated monomer, and a redox system at 20-85° C. is provided.
    Type: Grant
    Filed: November 6, 2000
    Date of Patent: July 22, 2003
    Assignee: Rohm and Haas Company
    Inventors: Steven Scott Edwards, Ralph Craig Even, Loretta Ann Wieckowski, Alexander Kowalski