Patents by Inventor Rodney A. Welch

Rodney A. Welch 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).

  • Nucleotide sequence of Escherichia coli pathogenicity islands
    Patent number: 6316609
    Abstract: The present invention relates to novel genes located in two chromosomal regions within uropathogenic E. coli that are associated with virulence. These chromosomal regions are known as pathogenicity islands (PAIs). In particular, the present application discloses 142 sequenced fragments (contigs) of DNA from two pools of cosmids covering pathogenicity islands PAI IV and PAI V located on the chromosome of the uropathogenic Escherichia coli J96. Further disclosed are 351 predicted protein-coding open reading frames within the sequenced fragments.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: November 13, 2001
    Assignees: Human Genome Sciences, Inc., Wisconsin Alumni Research Foundation
    Inventors: Patrick J. Dillon, Gil H. Choi, Rodney A. Welch
  • Test for Johne's disease
    Patent number: 4918178
    Abstract: A test to diagnose the presence of Johne's disease is disclosed. In one aspect it involves using a DNA segment that will hybridize to M. paratuberculosis but not to other bacteria typically found in bovine feces. Another aspect of the invention is providing a process for breaking the cell wall of mycobacteria using dense beads in the presence of phenol.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: April 17, 1990
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Sarah S. Hurley, Gary A. Splitter, Rodney A. Welch