Patents by Inventor Axel Ullrich

Axel Ullrich 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).

  • Method for producing recombinant bacterial plasmids containing the coding sequences of higher organisms
    Patent number: 4440859
    Abstract: Microorganism having a gene derived from a higher organism is produced by isolating cells from a higher organism containing messenger RNA, extracting the messenger RNA, synthesizing a double stranded cDNA using the messenger RNA as a template, inserting the cDNA into a plasmid and transforming a microorganism with the resultant recombinant plasmid.
    Type: Grant
    Filed: September 11, 1981
    Date of Patent: April 3, 1984
    Assignee: The Regents of the University of California
    Inventors: William J. Rutter, Howard M. Goodman, Axel Ullrich, John Shine, John Chirgwin, Raymond Pictet