Patents by Inventor Ju-Fu Shiau

Ju-Fu Shiau 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).

  • Phenolic dimers, the process of preparing same and the use thereof
    Patent number: 7732390
    Abstract: This invention relates to detergents, lubricating oil additives and compositions, and methods of preparing detergents, lubricating oil additives and compositions. More specifically, this invention relates to novel phenolic dimers.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: June 8, 2010
    Assignee: Afton Chemical Corporation
    Inventors: Abbas Kadkhodayan, Ju-Fu Shiau, Joe S. Bradley, Cathy C. Devlin, Charles A. Passut
  • Sulfonate compositions
    Patent number: 7601676
    Abstract: An alkali metal sulfonate mixture for metalworking applications, a method for making the sulfonate mixture, and compositions containing the sulfonate mixture. The mixture includes a reaction product of a first synthetic mono-hydrocarbyl substituted sulfonic acid having from about 20 to about 50 carbon atoms in the hydrocarbyl substituent, a second synthetic mono-hydrocarbyl substituted sulfonic acid having from about 10 to about 16 carbon atoms in the hydrocarbyl substituent, and an inorganic alkali metal base. The reaction product has a number average molecular weight ranging from about 400 to about 500 and a substantially bimodal molecular weight distribution.
    Type: Grant
    Filed: July 1, 2005
    Date of Patent: October 13, 2009
    Assignee: Afton Chemical Corporation
    Inventors: Kyle D. Stoneman, Ju-Fu Shiau, Jose Reyes-Gavilan
  • Sulfonate compositions
    Publication number: 20070004600
    Abstract: An alkali metal sulfonate mixture for metalworking applications, a method for making the sulfonate mixture, and compositions containing the sulfonate mixture. The mixture includes a reaction product of a first synthetic mono-hydrocarbyl substituted sulfonic acid having from about 20 to about 50 carbon atoms in the hydrocarbyl substituent, a second synthetic mono-hydrocarbyl substituted sulfonic acid having from about 10 to about 16 carbon atoms in the hydrocarbyl substituent, and an inorganic alkali metal base. The reaction product has a number average molecular weight ranging from about 400 to about 500 and a substantially bimodal molecular weight distribution.
    Type: Application
    Filed: July 1, 2005
    Publication date: January 4, 2007
    Inventors: Kyle Stoneman, Ju-Fu Shiau, Jose Reyes-Gavilan
  • Phenolic dimers, the process of preparing same and the use thereof
    Publication number: 20060111257
    Abstract: This invention relates to detergents, lubricating oil additives and compositions, and methods of preparing detergents, lubricating oil additives and compositions. More specifically, this invention relates to novel phenolic dimers.
    Type: Application
    Filed: November 24, 2004
    Publication date: May 25, 2006
    Inventors: Abbas Kadkhodayan, Ju-Fu Shiau, Joe Bradley, Cathy Devlin, Charles Passut