Patents by Inventor Hanfei Sang

Hanfei Sang 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).

  • Use of 5?-androstane-3?,5,6?-triol in preparation of neuroprotective drugs
    Patent number: 9320743
    Abstract: Disclosed is the use of 5?-androstane-3?,5,6?-triol in preparing neuroprotective drugs. The compound has significant protective effect against neuron injuries caused by cerebral ischemia, spinal cord ischemia or hypoxia and has no obvious toxic reaction within effective dose thereof.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: April 26, 2016
    Assignee: GUANGZHOU CELLPROTEK PHARMACEUTICAL LTD.
    Inventors: Guangmei Yan, Haiyan Hu, Tiandong Leng, Hanfei Sang, Jingxia Zhang, Pengxin Qiu, Shujia Zhou, Jiesi Chen, Xiuhua You
  • USE OF 5 alpha-ANDROSTANE-3 beta,5,6 beta-TRIOL IN PREPARATION OF NEUROPROTECTIVE DRUGS
    Publication number: 20140329790
    Abstract: Disclosed is the use of 5?-androstane-3?,5,6?-triol in preparing neuroprotective drugs. The compound has significant protective effect against neuron injuries caused by cerebral ischemia, spinal cord ischemia or hypoxia and has no obvious toxic reaction within effective dose thereof.
    Type: Application
    Filed: July 15, 2014
    Publication date: November 6, 2014
    Applicant: GUANGZHOU CELLPROTEK PHARMACEUTICAL LTD.
    Inventors: Guangmei YAN, Haiyan HU, Tiandong LENG, Hanfei SANG, Jingxia ZHANG, Pengxin QIU, Shujia ZHOU, Jiesi CHEN, Xiuhua YOU
  • Use of 5?-androstane (alkyl)-3?,5,6?-triol in preparation of neuroprotective drugs
    Patent number: 8809309
    Abstract: Disclosed is the use of 5?-androstane(alkyl)-3?,5,6?-triol in preparing neuroprotective drugs. The compound has significant protective effect against neuron injuries caused by cerebral ischemia, spinal cord ischemia or hypoxia and has no obvious toxic reaction within effective dose thereof.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: August 19, 2014
    Assignee: Guangzhou Cellprotek Pharmaceutical Ltd.
    Inventors: Guangmei Yan, Haiyan Hu, Tiandong Leng, Hanfei Sang, Jingxia Zhang, Pengxin Qiu, Shujia Zhou, Jiesi Chen, Xiuhua You
  • USE OF 5ALPHA-ANDROSTANE (ALKYL)-3BETA,5,6BETA-TRIOL IN PREPARATION OF NEUROPROTECTIVE DRUGS
    Publication number: 20130157993
    Abstract: Disclosed is the use of 5?-androstane(alkyl)-3?,5,6?-triol in preparing neuroprotective drugs. The compound has significant protective effect against neuron injuries caused by cerebral ischemia, spinal cord isehemia or hypoxia and has no obvious toxic reaction within effective dose thereof.
    Type: Application
    Filed: July 8, 2011
    Publication date: June 20, 2013
    Inventors: Guangmei Yan, Haiyan Hu, Tiandong Leng, Hanfei Sang, Jingxia Zhang, Pengxin Qiu, Shujia Zhou, Jiesi Chen, Xiuhua You