Patents by Inventor Cornelia Karla

Cornelia Karla 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).

  • Pentafluorophenylazolopyrimidines
    Patent number: 5965561
    Abstract: The novel compounds of formula I ##STR1## (A and R.sup.1 through R.sup.4 are defined in the specification) show selective fungicidal activity. The new compounds are obtainable by a new synthetic method and processed with carriers and adjuvants to fungicidal compositions.
    Type: Grant
    Filed: April 2, 1998
    Date of Patent: October 12, 1999
    Assignee: American Cyanamid Company
    Inventors: Klaus Jurgen Pees, Peter Liers, Cornelia Karla
  • Pentafluorophenylazolopyrimidines
    Patent number: 5817663
    Abstract: The novel compounds of formula I ##STR1## (A and R.sup.1 through R.sup.4 are defined in the specification) show selective fungicidal activity. The new compounds are obtainable by a new synthetic method and processed with carriers and adjuvants to fungicidal compositions.
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: October 6, 1998
    Assignee: American Cyanamid Company
    Inventors: Klaus Jurgen Pees, Peter Liers, Cornelia Karla