Patents by Inventor Christiana Yichun Jia

Christiana Yichun Jia 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).

  • POLYETHER CARBAMATE COMPOUNDS, COMPOSITIONS CONTAINING SUCH COMPOUNDS, AND METHODS RELATED THERETO
    Publication number: 20080138639
    Abstract: The present invention provides a reaction product having polyether carbamate groups formed from (A) polyoxyalkylene amine, and (B) cyclic carbonate, in an equivalents ratio ranging from 1:0.5 to 1:1.5. Further provided is a process for preparing the aforementioned reaction product. The present invention also is directed to an improved curable coating composition including (1) a reactive functional group-containing polymer, and (2) a curing agent having functional groups reactive with the functional groups of (1), the improvement being the inclusion in the coating composition the reaction product. Multilayer composite coatings including a first coating layer formed from the curable coating composition and a second coating layer over the curable coating composition are also provided, as well as coated substrates.
    Type: Application
    Filed: August 10, 2007
    Publication date: June 12, 2008
    Inventors: Shanti Swarup, Michael P. Hart, Christiana Yichun Jia, Edward S. Pagac, Cathy A. Taylor, Elizabeth A. Zezinka
  • Polyether carbamate compounds, compositions containing such compounds, and methods related thereto
    Patent number: 7288595
    Abstract: The present invention provides a reaction product having polyether carbamate groups formed from (A) polyoxyalkylene amine, and (B) cyclic carbonate, in an equivalents ratio ranging from 1:0.5 to 1:1.5. Further provided is a process for preparing the aforementioned reaction product. The present invention also is directed to an improved curable coating composition including (1) a reactive functional group-containing polymer, and (2) a curing agent having functional groups reactive with the functional groups of (1), the improvement being the inclusion in the coating composition the reaction product. Multilayer composite coatings including a first coating layer formed from the curable coating composition and a second coating layer over the curable coating composition are also provided, as well as coated substrates.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: October 30, 2007
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Shanti Swarup, Michael P. Hart, Christiana Yichun Jia, Edward S. Pagac, Cathy A. Taylor, Elizabeth A. Zezinka
  • Polyether carbamate compounds, compositions containing such compounds, and methods related thereto
    Publication number: 20030176592
    Abstract: The present invention provides a reaction product having polyether carbamate groups formed from (A) polyoxyalkylene amine, and (B) cyclic carbonate, in an equivalents ratio ranging from 1:0.5 to 1:1.5. Further provided is a process for preparing the aforementioned reaction product. The present invention also is directed to an improved curable coating composition including (1) a reactive functional group-containing polymer, and (2) a curing agent having functional groups reactive with the functional groups of (1), the improvement being the inclusion in the coating composition the reaction product. Multilayer composite coatings including a first coating layer formed from the curable coating composition and a second coating layer over the curable coating compostion are also provided, as well as coated substrates.
    Type: Application
    Filed: December 20, 2001
    Publication date: September 18, 2003
    Inventors: Shanti Swarup, Michael P. Hart, Christiana Yichun Jia, Edward S. Pagac, Cathy A. Taylor, Elizabeth A. Zezinka