Patents by Inventor Chen Kang Zhen

Chen Kang Zhen 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).

  • Soft polypropylene melt spun nonwoven fabric
    Patent number: 6740609
    Abstract: A blend of fatty acid amides is incorporated into the polypropylene fibers of a thermally bonded, melt extruded nonwoven fabric to import softness to the fabric. The blend includes a greater amount of stearamide and a lesser amount of erucamide.
    Type: Grant
    Filed: August 15, 2000
    Date of Patent: May 25, 2004
    Assignee: Polymer Group, Inc.
    Inventors: Fang Yi Peng, Zhang Dao Hong, Chen Kang Zhen, Zhou Pei Qiong