Patents by Inventor Yaxian ZHAI

Yaxian ZHAI 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).

  • HYBRID LATEX COMPRISING POLYMERIC PARTICLES HAVING CORE-SHELL STRUCTURE AND ITS PREPARATION METHOD
    Publication number: 20150361208
    Abstract: The invention relates to a hybrid latex comprising polymeric particles having core-shell structure, wherein: (1) the comonomers of the core comprise: (a) monovinyl aromatic compounds, and (b) unsaturated carboxylic acid esters; (2) the comonomers of the shell comprise: (a) monovinyl aromatic compounds, and (b) conjugated dienes; wherein the glass transition temperature of the core is in the range of ?50° C. to 50° C., and the glass transition temperature of the shell is in the range of ?50° C. to 50° C. The invention also relates to the use of the hybrid latex in polymer waterproofing membrane and polymer modified mortars.
    Type: Application
    Filed: January 24, 2014
    Publication date: December 17, 2015
    Applicant: BASF SE
    Inventors: Shengxian WANG, Wei HONG, Yaxian ZHAI, Joachim PAKUSCH