Patents by Inventor Christopher A. Helliwell

Christopher A. Helliwell 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).

  • Methods and means for producing efficient silencing construct using recombinational cloning
    Patent number: 8877435
    Abstract: Methods and means are provided for producing chimeric nucleic acid constructs capable of producing dsRNA for silencing target nucleic acid sequences of interest using recombinational cloning.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: November 4, 2014
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Christopher A. Helliwell, Susan V. Wesley, Peter M. Waterhouse
  • METHODS AND MEANS FOR PRODUCING EFFICIENT SILENCING CONSTRUCT USING RECOMBINATIONAL CLONING
    Publication number: 20130017976
    Abstract: Methods and means are provided for producing chimeric nucleic acid constructs capable of producing dsRNA for silencing target nucleic acid sequences of interest using recombinational cloning.
    Type: Application
    Filed: September 21, 2010
    Publication date: January 17, 2013
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Christopher A. Helliwell, Susan V. Wesley, Peter M. Waterhouse
  • EFFICIENT GENE SILENCING IN PLANTS USING SHORT dsRNA SEQUENCES
    Publication number: 20110231955
    Abstract: Methods and means are provided to increase the efficiency of gene silencing when using dsRNA sequences which have a stem length shorter than about 200 base pairs by providing chimeric genes encoding such dsRNA sequences with a promoter recognized by DNA dependent RNA polymerase III comprising all cis-acting promoter elements which interact with DNA dependent RNA polymerase III.
    Type: Application
    Filed: January 3, 2011
    Publication date: September 22, 2011
    Applicant: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Ming Bo WANG, Christopher A. HELLIWELL, Peter M. WATERHOUSE
  • Methods and means for producing efficient silencing construct using recombinational cloning
    Patent number: 7846718
    Abstract: Methods and vectors and kits are provided for producing chimeric nucleic acid constructs capable of producing dsRNA for silencing target nucleic acid sequences of interest using recombinational cloning.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: December 7, 2010
    Assignee: Commonwealth Scientific and Industrial Research Organisation
    Inventors: Christopher A. Helliwell, Susan V. Wesley, Peter M. Waterhouse
  • Methods and means for producing efficient silencing construct using recombinational cloning
    Patent number: 7732660
    Abstract: Methods and vectors and kits are provided for producing chimeric nucleic acid constructs capable of producing dsRNA for silencing target nucleic acid sequences of interest using recombinational cloning.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: June 8, 2010
    Assignee: Commonwealth Scientific and Industrial Research Corporation
    Inventors: Christopher A. Helliwell, Susan V. Wesley, Peter M. Waterhouse
  • Methods and means for producing efficient silencing construct using recombinational cloning
    Patent number: 6933146
    Abstract: Methods and vectors and kits are provided for producing chimeric nucleic acid constructs capable of producing dsRNA for silencing target nucleic acid sequences of interest using recombinational cloning.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: August 23, 2005
    Assignee: Commonwealth Scientific and Industrial Research Corporation
    Inventors: Christopher A. Helliwell, Susan V. Wesley, Peter M. Waterhouse
  • Methods and means for producing efficient silencing construct using recombinational cloning
    Publication number: 20050164394
    Abstract: Methods and means are provided for producing chimeric nucleic acid constructs capable of producing dsRNA for silencing target nucleic acid sequences of interest using recombinational cloning.
    Type: Application
    Filed: January 13, 2005
    Publication date: July 28, 2005
    Applicant: Commonwealth Scientific and Industrial Research Corporation
    Inventors: Christopher Helliwell, Susan Wesley, Peter Waterhouse
  • Methods and means for producing efficient silencing construct using recombinational cloning
    Publication number: 20050160490
    Abstract: Methods and means are provided for producing chimeric nucleic acid constructs capable of producing dsRNA for silencing target nucleic acid sequences of interest using recombinational cloning.
    Type: Application
    Filed: January 12, 2005
    Publication date: July 21, 2005
    Applicant: Commonwealth Scientific and Industrial Research Corporation
    Inventors: Christopher Helliwell, Susan Wesley, Peter Waterhouse
  • Methods and means for producing efficient silencing construct using recombinational cloning
    Publication number: 20030049835
    Abstract: Methods and means are provided for producing chimeric nucleic acid constructs capable of producing dsRNA for silencing target nucleic acid sequences of interest using recombination cloning.
    Type: Application
    Filed: January 25, 2002
    Publication date: March 13, 2003
    Inventors: Christopher A. Helliwell, Susan V. Wesley, Peter M. Waterhouse