Patents by Inventor Susan A. Hellyer

Susan A. Hellyer 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).

  • Tomato xyloglucan endo-transglycosylase nucleic acids
    Patent number: 6215044
    Abstract: Disclosed are nucleic acids from tomato encoding polypeptides having xyloglucan endo-transglycosylase (XET) activity, comprising residues 21-289 of the amino acid sequence shown in FIG. 1 (SEQ ID NO:2) or or comprising residues 19-287 of the amino acid sequence shown in FIG. 5 (SEQ ID NO:8), and transgenic plants comprising said nucleic acids.
    Type: Grant
    Filed: May 6, 1996
    Date of Patent: April 10, 2001
    Assignee: Unilever Patent Holdings B.V.
    Inventors: David A. Arrowsmith, Susan A. Hellyer, Jacqueline de Silva, Sally A. Whiteman
  • 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