Patents by Inventor Shih CHENGKON

Shih CHENGKON 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).

  • QUINAZOLINE DERIVATIVES SUBSTITUTED BY ANILINE, PREPARATION METHOD AND USE THEREOF
    Publication number: 20170333433
    Abstract: The invention relates to quinazoline derivatives substituted by aniline which are represented by the below formula (I), pharmaceutical acceptable salts and stereoisomer thereof, wherein these groups of R1, R2, R3, R4, R5, R6, L and n have the meanings given in the specification. The invention also relates to preparation methods, pharmaceutical compositions, pharmaceutical preparation and the use for preparation of medicine of treating excessive hyperplasia and chronic obstructive pulmonary disease and uses for treating excessive hyperplasia and chronic obstructive pulmonary disease thereof.
    Type: Application
    Filed: August 7, 2017
    Publication date: November 23, 2017
    Inventors: Yanyan DONG, Shih CHENGKON
  • QUINAZOLINE DERIVATIVES SUBSTITUTED BY ANILINE, PREPARATION METHOD AND USE THEREOF
    Publication number: 20170304305
    Abstract: The invention relates to quinazoline derivatives substituted by aniline which are represented by the below formula (I), pharmaceutical acceptable salts and stereoisomer thereof, wherein these groups of R1, R2, R3, R4, R5, R6, L and n have the meanings given in the specification. The invention also relates to preparation methods, pharmaceutical compositions, pharmaceutical preparation and the use for preparation of medicine of treating excessive hyperplasia and chronic obstructive pulmonary disease and uses for treating excessive hyperplasia and chronic obstructive pulmonary disease thereof.
    Type: Application
    Filed: July 10, 2017
    Publication date: October 26, 2017
    Inventors: Yanyan DONG, Shih CHENGKON