Patents by Inventor Kaijiao Zhang

Kaijiao Zhang 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).

  • Method for increasing stability of cooling fluid for engine
    Patent number: 7244372
    Abstract: The present invention relates to a method for increasing the stability of cooling fluid for the engine. This invention selects the most preferred conditions, e.g. the composition of the solution, pH value, means and amount of addition, and proportion of silicate added, so that the products thereof have excellent properties for inhibiting corrosion for many kinds of metals, being with low costs and good storage stability. Moreover, since this method is simple, it is easy to be put into practice and utilized.
    Type: Grant
    Filed: May 11, 2005
    Date of Patent: July 17, 2007
    Assignee: Great Wall Lubricating Oil Application Research Center Co. Ltd.
    Inventors: Chunhui Zhang, Kaijiao Zhang, Jianfeng Guo, Wanying Li, Yunchang Song, Bing Yang
  • Method for increasing stability of cooling fluid for engine
    Publication number: 20060017044
    Abstract: The present invention relates to a method for increasing the stability of the cooling fluid for engine. This invention selects the most preferred conditions, e.g. the composition of the solution, pH value, means and amount of addition, and proportion of silicate added, so that the products thereof has excellent property for inhibiting corrosion for many kinds of metals, being with low costs and good storage stability. Moreover, since this method is simple, it is easy to be put into practice and popularization.
    Type: Application
    Filed: May 11, 2005
    Publication date: January 26, 2006
    Inventors: Chunhui Zhang, Kaijiao Zhang, Jianfeng Guo, Wanying Li, Yunchang Song, Bing Yang