Patents by Inventor Margaret L. Carstairs

Margaret L. Carstairs 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).

  • Composition for treatment of plant material
    Patent number: 5817600
    Abstract: The invention relates to the use of one or more methyl xanthines to enhance the flower and foliage color of plant material and compositions therefor; compositions to promote the continued development of plant material comprising a methyl xanthine and a gibberellin; use of a composition comprising a methyl xanthine and a gibberellin to promote the continued development of plant material; and plant material treated with a composition as defined above
    Type: Grant
    Filed: November 18, 1997
    Date of Patent: October 6, 1998
    Assignee: British Technology Group Limited
    Inventors: Margaret L. Carstairs, Laurance W. I. Jennings