Patents by Inventor Ruijuan Xing

Ruijuan Xing 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).

  • OPTICALLY ACTIVE PHENYLETHANOL AMINES AND PREPARING METHOD THEREOF
    Publication number: 20100022656
    Abstract: The invention provides compounds of formula (I) having (?) or (+) configuration, or pharmaceutically acceptable salts thereof, wherein R1 is H or halo; R2 is CF3, CN, or halo; R3 is linear or branched alkyl having 1 to 6 carbon atoms, or cycloalkyl having 3 to 6 carbon atoms. The invention also relates to methods for preparing the said compounds and the composition comprising the same. The compounds of the present invention have the effect of ?2-receptor agonist and can be used for the treatment of asthma or bronchitis.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 28, 2010
    Applicant: SHENYANG PHARMACEUTICAL UNIVERSITY
    Inventors: Maosheng Cheng, Li Pan, Dongkai Wang, Ruijuan Xing, Xuyao Chen, Dongmei Zhao