Patents by Inventor Chen Hsin-Chu

Chen Hsin-Chu 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: 4239540
    Abstract: A milky curing agent for concrete is made by thoroughly mixing paraffin wax, cocoanut oil, soybean oil, linseed oil, stearic acid, hexacosanic acid, water and ethyl cyanuric ester to produce emulsion of curing agent.
    Type: Grant
    Filed: November 21, 1979
    Date of Patent: December 16, 1980
    Inventor: Chen Hsin-Chu