Patents by Inventor Halyan Hu

Halyan Hu 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).

  • 5?-androstane (alkyl)-3?, 5, 6?-triol injection and preparation method therefor
    Patent number: 9161985
    Abstract: A 5?-androstane-3?,5,6?-triol injection and its preparation are disclosed. The injection uses hydroxypropyl-?-cyclodextrin as a solubilizing agent and the active ingredient is present at a weight ratio of 1-20:40-500 to the hydroxypropyl-?-cyclodextrin. The injection may also comprise, by weight, 1-100 parts of at least one isotonic adjusting agent, 0-200 parts of at least one freeze drying filler, and 0-2000 parts of at least one solvent. The preparation method comprises dissolving hydroxypropyl-?-cyclodextrin solution, 5?-androstane-3?,5,6?-triol and at least one additional soluble excipient in water for injection in sequence to obtain a raw injection solution, and subjecting the raw injection solution to decolorization, depyrogenation, filtration and sterilization to obtain the injection, Drying the filtrate yields a solid for injection.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: October 20, 2015
    Assignee: Guangzhou Cellprotek Pharmaceutical Ltd.
    Inventors: Guangmei Yan, Halyan Hu, Jingxia Zhang, Pengxin Qiu, Ling Li, Ning Tian
  • 5a-ANDROSTANE (ALKYL)-3b, 5, 6b-TRIOL INJECTION AND PREPARATION METHOD THEREFOR
    Publication number: 20130172307
    Abstract: A 5?-androstane-3?,5,6?-triol injection and its preparation are disclosed. The injection uses hydroxypropyl-?-cyclodextrin as a solubilizing agent and the active ingredient is present at a weight ratio of 1-20:40-500 to the hydroxypropyl-?-cyclodextrin. The injection may also comprise, by weight, 1-100 parts of at least one isotonic adjusting agent, 0-200 parts of at least one freeze drying filler, and 0-2000 parts of at least one solvent. The preparation method comprises dissolving hydroxypropyl-?-cyclodextrin solution, 5?-androstane-3?,5,6?-triol and at least one additional soluble excipient in water for injection in sequence to obtain a raw injection solution, and subjecting the raw injection solution to decolorization, depyrogenation, filtration and sterilization to obtain the injection, Drying the filtrate yields a solid for injection.
    Type: Application
    Filed: July 8, 2011
    Publication date: July 4, 2013
    Inventors: Guangmei Yan, Halyan Hu, Jingxia Zhang, Pengxin Qiu, Ling Li, Ning Tian