Patents by Inventor Caifang Chen

Caifang Chen 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: 8652820
    Abstract: This invention relates to cloning and sequencing of thermotolerant phytase gene from Non-K12 Escherichia coli strain, ATCC 9637, phytase gene expression in Escherichia coli expression system, codon usage optimized and expression in Pichia pastoris, Pichia methanolica and Kluyeromyces lactis. The high level yield and thermotolerant enzyme was produced from fermentation of Pichia pastoris with optimized codon of phytase gene.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: February 18, 2014
    Assignee: Fujian Fuda Biotech Co. Ltd.
    Inventors: Xiuyun Ye, Renkuan Li, Weigang Jin, Caifang Chen
  • Publication number: 20120021488
    Abstract: This invention relates to cloning and sequencing of thermotolerant phytase gene from Non-K12 Escherichia coli strain, ATCC 9637, phytase gene expression in Escherichia coli expression system, codon usage optimized and expression in Pichia pastoris, Pichia methanolica and Kluyeromyces lactis. The high level yield and thermotolerant enzyme was produced from fermentation of Pichia pastoris with optimized codon of phytase gene.
    Type: Application
    Filed: November 14, 2008
    Publication date: January 26, 2012
    Applicant: FUJIAN FUDA BIOTECH CO. LTD.
    Inventors: Xiuyun Ye, Renkuan Li, Weigang Jin, Caifang Chen