Patents by Inventor Liu Yanxia

Liu Yanxia 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 adjusting the average particle size of a spherical catalyst support
    Patent number: 9399684
    Abstract: A method for adjusting the average particle size of a spherical catalyst support, in particular a spherical catalyst support comprising a magnesium dihalide-ethanol-adduct, a spherical catalyst support obtained by the method, a solid catalyst composition comprising the spherical catalyst support, and the use of the solid catalyst composition for the polymerization of an olefins.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: July 26, 2016
    Assignee: CLARIANT INTERNATIONAL LTD.
    Inventors: Meinolf Kersting, Christian Gueckel, C. P. Cheng, Liu Yanxia
  • METHOD FOR ADJUSTING THE AVERAGE PARTICLE SIZE OF A SPHERICAL CATALYST SUPPORT
    Publication number: 20130331529
    Abstract: A method for adjusting the average particle size of a spherical catalyst support, in particular a spherical catalyst support comprising a magnesium dihalide-ethanol-adduct, a spherical catalyst support obtained by the method, a solid catalyst composition comprising the spherical catalyst support, and the use of the solid catalyst composition for the polymerization of an olefins.
    Type: Application
    Filed: May 24, 2013
    Publication date: December 12, 2013
    Applicant: Clariant Produkte (Deutschland) GmbH
    Inventors: Meinolf KERSTING, Christian GUECKEL, C. P. CHENG, Liu YANXIA
  • APRATOXIN THERAPEUTIC AGENTS: MECHANISM AND METHODS OF TREATMENT
    Publication number: 20110294720
    Abstract: The instant invention describes macrocyclic compounds having therapeutic activity, and the mechanism and methods of treating disorders such as autoimmune diseases, inflammation, and cancer, tumors and cell proliferation related disorders.
    Type: Application
    Filed: December 1, 2009
    Publication date: December 1, 2011
    Applicant: University of Florida Research Foundation
    Inventors: Hendrik Luesch, Liu Yanxia