Patents by Inventor Yan-Fen Xue

Yan-Fen Xue 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).

  • Gene encoding beta-mannanase, enzyme preparation and uses thereof
    Publication number: 20030215812
    Abstract: The present invention relates to genes coding for novel &bgr;-mannanases produced by the alkaliphilic Bacillus sp. N16-5, recombinant vectors and host cells containing such gene. The present invention also provides an enzyme preparations containing such enzymes produced by alkaliphilic Bacillus sp. N16-5 as well as the use of such preparations. The &bgr;-mannanases of the present invention can effectively hydrolyze many plant polysaccharides, such as konjak polysaccharide to produce a series of oligosaccharides.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 20, 2003
    Inventors: Yan-He Ma, Yan-Fen Xue