Patents by Inventor Richard K. Jansson

Richard K. Jansson 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).

  • Rosellinia subiculata ATCC 74386 and fungus ATCC 74387 for producing sordarin compounds for fungi control
    Patent number: 6436395
    Abstract: Disclosed is a method for controlling phytopathogenic fungi using pure strains of Rosellinia subiculata ATCC 74386 and fungus ATCC 74387. Further, methods of producing a sordarin compound are disclosed. The method includes cultivating each strain separately in a nutrient medium containing assimilable sources of carbon and nitrogen and recovering the compound. A sordarin compound of formula I is also disclosed. Also an antifungal composition containing a sordarin compound is also disclosed.
    Type: Grant
    Filed: June 23, 1999
    Date of Patent: August 20, 2002
    Assignee: Merck & Co., Inc.
    Inventors: Gerald F. Bills, Anne W. Dombrowski, Wendy S. Horn, Richard K. Jansson, Mark Rattray, Dennis Schmatz, Robert E. Schwartz
  • Antifungal agents
    Patent number: 5543429
    Abstract: There are disclosed novel compounds having the formula ##STR1## which exhibit antifungal activity.
    Type: Grant
    Filed: March 9, 1995
    Date of Patent: August 6, 1996
    Assignee: Merck & Co., Inc.
    Inventors: Gerald F. Bills, James E. Curotto, Sarah J. Dreikorn, Rosalind G. Jenkins, Jerrold M. Liesch, Sandra A. Morris, John R. Thompson, Deborah L. Zink, Richard K. Jansson, Angela Basilio, Teresa Diez, Fernando Pelaez, Francisca Vicente
  • Antifungal agent
    Patent number: 5441987
    Abstract: A compound having the formula ##STR1## which is useful as an antifungal agent and for the treatment and control of several agricultural phytopathogens, including Phytophthora infestans, is disclosed.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: August 15, 1995
    Assignee: Merck & Co., Inc.
    Inventors: Guy H. Harris, James E. Curotto, Robert A. Giacobbe, Suzanne M. Mandala, Richard L. Monaghan, Richard K. Jansson, Joan A. Lasota