Patents by Inventor Haina Li

Haina Li 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).

  • Bacillus, hyaluronidase, and uses thereof
    Patent number: 9493755
    Abstract: The present invention provides a bacillus sp. having a deposit access number of CGMCC NO. 5744 and a hyaluronidase produced by the bacillus and the amino acid sequence of the hyaluronidase is shown in SEQ ID NO: 2. The present invention further relates to a process for preparing oligomeric hyaluronic acid or salts thereof or low-molecular-weight hyaluronic acid or salts thereof by using the bacillus or the hyaluronidase produced thereby. The produced oligomeric hyaluronates or low-molecular-weight hyaluronates have advantages such as good transdermal absorption ability, high purity, no cytotoxicity, potent antioxidant ability. The present invention also provides use of the bacillus having a deposit access number of CGMCC NO. 5744, or the hyaluronidase, oligomeric hyaluronates or salts thereof, low-molecular-weight hyaluronates or salts thereof produced by the bacillus in the fields of osmetics, food products and medicines.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: November 15, 2016
    Assignee: BLOOMAGE FREDA BIOPHARM CO., LTD.
    Inventors: Xueping Guo, Yanli Shi, Liping Qiao, Ning Feng, Guanfeng Wang, Haina Li, Wei Xue, Haiying Wang, Yihong Luan, Aihua Liu
  • BACILLUS, HYALURONIDASE, AND USES THEREOF
    Publication number: 20150175991
    Abstract: The present invention provides a bacillus sp. having a deposit access number of CGMCC NO. 5744 and a hyaluronidase produced by the bacillus and the amino acid sequence of the hyaluronidase is shown in SEQ ID NO: 2. The present invention further relates to a process for preparing oligomeric hyaluronic acid or salts thereof or low-molecular-weight hyaluronic acid or salts thereof by using the bacillus or the hyaluronidase produced thereby. The produced oligomeric hyaluronates or low-molecular-weight hyaluronates have advantages such as good transdermal absorption ability, high purity, no cytotoxicity, potent antioxidant ability. The present invention also provides use of the bacillus having a deposit access number of CGMCC NO. 5744, or the hyaluronidase, oligomeric hyaluronates or salts thereof, low-molecular-weight hyaluronates or salts thereof produced by the bacillus in the fields of osmetics, food products and medicines.
    Type: Application
    Filed: November 29, 2012
    Publication date: June 25, 2015
    Inventors: Xueping Guo, Yanli Shi, Liping Qiao, Ning Feng, Guanfeng Wang, Haina Li, Wei Xue, Haiying Wang, Yihong Luan, Aihua Liu