Patents by Inventor Rolf F. Liedtke

Rolf F. Liedtke 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).

  • Stable low styrene emission vinyl ester and unsaturated polyester resin composition
    Patent number: 5378743
    Abstract: This invention relates to a stable, low level styrene emission vinyl ester or unsaturated polyester resin composition containing a nonionic surfactant or a copolymer of maleic acid half ester of a polyethylene glycol and a monoalkenyl aromatic monomer as stabilizing agents.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: January 3, 1995
    Assignee: The Dow Chemical Company
    Inventor: Rolf F. Liedtke