Patents by Inventor Marcellus J. A. De Groot

Marcellus J. A. De Groot 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).

  • Process for the site-directed integration of DNA into the genome of plants
    Patent number: 5501967
    Abstract: The present invention provides a method for site-directed integration of DNA-sequences into the genome of plants via homologous recombination, by transforming said plants using the DNA-transfer system of Agrobacterium, in which the transforming DNA comprises in its most simple form a region homologous to the target locus, as well as a region which is different from the target locus either next to one or between two T-DNA borders.
    Type: Grant
    Filed: July 6, 1993
    Date of Patent: March 26, 1996
    Assignee: Mogen International, n.v./Rijksuniversiteit te Leiden
    Inventors: Remko Offringa, Marcellus J. A. De Groot, Paul J. J. Hooykaas, Petrus J. M. Van Den Elzen