Patents by Inventor Sumant Chengappa

Sumant Chengappa 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).

  • Exo-(1--4)-.beta.-D galactanase
    Patent number: 5981831
    Abstract: Disclosed is a nucleotide sequence comprising substantially the sequence of nucleotides 229 to 2319 of the sequence shown in FIG. 1 encoding an enzyme having exo-(1.fwdarw.4)-.beta.-D-galactanase activity or a precursor or derivative of such an enzyme, or the functional equivalent of such a sequence. Also disclosed are vectors and hosts comprising the sequence of the invention, and a polypeptide encoded thereby. The nucleotide and amino acid sequences of a functionally equivalent enzyme obtainable from tomato fruit are also disclosed.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: November 9, 1999
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Sumant Chengappa, Susan A. Hellyer, John S. Reid, Jacqueline de Silva