Patents by Inventor Chun Cao

Chun Cao 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).

  • Publication number: 20070131611
    Abstract: An article includes a membrane having pores extending therethrough, and a surfactant in contact with a surface of the membrane. The surfactant may function as a superspreader when in solution. The membrane surface may wet in response to contact with a fluid. An associated method is provided.
    Type: Application
    Filed: May 15, 2006
    Publication date: June 14, 2007
    Applicant: General Electric Company
    Inventors: Wenqing Peng, Chun Cao, Zijun Xia, Dong Wang, George Policello, Mark Leatherman, Suresh Rajaraman
  • Publication number: 20070131610
    Abstract: A system may include an article, and the article may include a membrane having pores and a surfactant in contact with the membrane. The surfactant may function as a super-spreader when in solution. The article may wet out the pores in response to contact with a fluid.
    Type: Application
    Filed: May 15, 2006
    Publication date: June 14, 2007
    Applicant: General Electric Company
    Inventors: Wenqing Peng, Chun Cao, Zijun Xia, Dong Wang, George Policello, Mark Leatherman, Suresh Rajaraman
  • Publication number: 20050069700
    Abstract: A process for the manufacture of a polyimide hollow fibre comprising: (i) providing a dope solution comprising one or more polyimides dissolved in a solvent comprising 60-100 wt % N-methylpyrollidone and 0-40 wt % ethanol, (ii) providing a bore fluid, (iii)generating a tube of the dope solution filled with the bore fluid, (iv) bringing the product of step (iii) into contact with a coagulation solvent to form a hollow fibre.
    Type: Application
    Filed: November 8, 2002
    Publication date: March 31, 2005
    Inventors: Tai-Shung Chung, Rong Wang, Ji Ren, Chun Cao, Ye Liu, Dong-Fei Li