Patents by Inventor Victor Qiwen Han

Victor Qiwen Han 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).

  • INTERNAL MOLD RELEASE AGENTS FOR POLYURETHANE MATERIALS
    Publication number: 20170152367
    Abstract: An internal mold release agent (IMRA) which effectively releases a cured polyurethane (PU) material from a metal, in particular steel, mold. The IMRA is a surface active agent containing phosphorus or a combination (blend or reaction product) of the agent with other chemicals. In one embodiment the agent is a phosphate ester. In one embodiment the agent is polyoxyethylene alkyl phosphate ester. A polyurethane formulation comprising the IMRA has high formulation stability, clean release, low release strength, and high product transparency.
    Type: Application
    Filed: February 7, 2017
    Publication date: June 1, 2017
    Inventors: Victor Qiwen Han, Andreas Ferencz, Olaf Lammerschop, Yongxia Wang