Patents by Inventor Shouzhu LIAO

Shouzhu LIAO 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).

  • Solid form of pyrazolopyridine compound
    Patent number: 9884859
    Abstract: A novel crystalline form or amorphous of formula (I) and preparation method thereof are disclosed in present invention, wherein the novel crystalline form is substantially pure crystalline form I, form II, form III or form IV. The novel crystalline forms disclosed herein have good solubility, low hydroscopicity and good stability at high temperature (60° C.), high humidity (RH is 90%±5%) and/or under light (4500+/?500 Lux), which benefit for storage, meet the requirements of drug stability and therefore, making formula (I) suitable for formulation preparation and with high bioavailability.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: February 6, 2018
    Assignee: SUNSHINE LAKE PHARMA CO., LTD.
    Inventors: Shouzhu Liao, Weijie Fan, Zhongqing Wang
  • SOLID FORM OF PYRAZOLOPYRIDINE COMPOUND
    Publication number: 20160251349
    Abstract: A novel crystalline form or amorphous of formula (I) and preparation method thereof are disclosed in present invention, wherein the novel crystalline form is substantially pure crystalline form I, form II, form III or form IV. The novel crystalline forms disclosed herein have good solubility, low hydroscopicity and good stability at high temperature (60° C.), high humidity (RH is 90%±5%) and/or under light (4500+/?500 Lux), which benefit for storage, meet the requirements of drug stability and therefore, making formula (I) suitable for formulation preparation and with high bioavailability.
    Type: Application
    Filed: October 15, 2014
    Publication date: September 1, 2016
    Applicant: Sunshine Lake Pharma Co., Ltd.
    Inventors: Shouzhu LIAO, Weijie FAN, Zhongqing WANG