Patents by Inventor Botao Zhao

Botao Zhao 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).

  • Patent number: 11124758
    Abstract: The present invention has publicized a bacteria culture medium. In common bacteria culture medium, one kind or several kinds of ?-lactam antibiotics and/or the salts thereof were premixed. The ?-lactam antibiotics and/or the salts thereof premixed in the bacteria culture medium is slightly soluble in water at 25° C. and the solubility is less than 10 mg/ml. The concentrations of the ?-lactam antibiotics premixed in the culture medium are greater than the solubility of the used ?-lactam antibiotics at 25° C., but are less than 100 mg/ml. The bacteria culture medium can be used to selectively culture bacteria with ?-lactam antibiotic resistance and can be stored for a long time.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: September 21, 2021
    Assignee: SHANGHAI PROMOTON BIOTECHNOLOGY CO., LTD.
    Inventors: Botao Zhao, Chunhai Cai, Guoquan Zhou, Dehua Yang, Jin Liu
  • Publication number: 20160097030
    Abstract: The present invention has publicized a bacteria culture medium. In common bacteria culture medium, one kind or several kinds of ?-lactam antibiotics and/or the salts thereof were premixed. The ?-lactam antibiotics and/or the salts thereof premixed in the bacteria culture medium is slightly soluble in water at 25° C. and the solubility is less than 10 mg/ml. The concentrations of the ?-lactam antibiotics premixed in the culture medium are greater than the solubility of the used ?-lactam antibiotics at 25° C., but are less than 100 mg/ml. The bacteria culture medium can be used to selectively culture bacteria with ?-lactam antibiotic resistance and can be stored for a long time.
    Type: Application
    Filed: October 15, 2013
    Publication date: April 7, 2016
    Inventors: Botao Zhao, Chunhai Cai, Guoquan Zhou, Dehua Yang, Jin Liu