Patents by Inventor Chenggang Qiu

Chenggang Qiu 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).

  • Modified monooxygenases for the manufacture of hydroxylated hydrocarbons
    Patent number: 11674161
    Abstract: The present invention relates to novel monooxygenases which are useful in the hydroxylation of aromatic hydrocarbons. They are particularly useful for the production of 1-naththol and 7-hydroxycoumarin from naphthol and 7-Ethoxycoumarin, respectively.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: June 13, 2023
    Assignee: Covestro Intellectual Property GmbH & Co. KG
    Inventors: Ruijing Guo, Jen-Chieh Lin, Sha Tao, Ying Qian, Chenggang Qiu, Kequan Chen, Kang Li
  • MODIFIED MONOOXYGENASES FOR THE MANUFACTURE OF HYDROXYLATED HYDROCARBONS
    Publication number: 20220220513
    Abstract: The present invention relates to novel monooxygenases which are useful in the hydroxylation of aromatic hydrocarbons. They are particularly useful for the production of 1-naththol and 7-hydroxycoumarin from naphthol and 7-Ethoxycoumarin, respectively.
    Type: Application
    Filed: June 18, 2020
    Publication date: July 14, 2022
    Inventors: Ruijing Guo, Jen-Chieh Lin, Sha Tao, Ying Qian, Chenggang Qiu, Kequan Chen, Kang Li
  • MODIFIED MONOOXYGENASES FOR THE MANUFACTURE OF HYDROXYLATED HYDROCARBONS BASED ON SUBSTITUTION OF AMINO ACIDS BY ALANINE
    Publication number: 20220220455
    Abstract: The present invention relates to novel monooxygenases which are useful in the hydroxylation of aromatic hydrocarbons. They are particularly useful for the production of 1-naththol and 7-hydroxycoumarin from naphthol and 7-Ethoxycoumarin, respectively.
    Type: Application
    Filed: June 18, 2020
    Publication date: July 14, 2022
    Inventors: Ruijing Guo, Jen-Chieh Lin, Sha Tao, Ying Qian, Chenggang Qiu, Kequan Chen, Kang Li