Patents by Inventor Theng-Fu Chuang

Theng-Fu Chuang 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: 5545823
    Abstract: An antifouling coating composition includes a binder copolymer which contains one or more copolymerizable ethylenically unsaturated monomers or oligomers wherein at least one of said monomers or oligomers has a hydroxy group, a copolymerizable silicone monomer or oligomer, and a film formable metal soap compound which is prepared by reacting a metal compound containing a metal having a valency of at least 2 with an unsaturated fatty acid or alcohol.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: August 13, 1996
    Assignee: Yung Chi Paint & Varnish Mfg. Co., Ltd.
    Inventors: Ping-Lin Kuo, Theng-Fu Chuang