Patents by Inventor James Francis Bereznak

James Francis Bereznak 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).

  • Fungicidal fused bicyclic pyrimidinones
    Patent number: 5945423
    Type: Grant
    Filed: January 14, 1998
    Date of Patent: August 31, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: James Francis Bereznak, Zen-Yu Chang, Thomas Paul Selby, Charlene Gross Sternberg
  • Fungicidal fused bicyclic pyrimidinones
    Patent number: 5747497
    Abstract: This invention pertains to compounds of Formulae I, II and III, as defined in the disclosure and claims, including all geometric and stereoisomers, N-oxides, agriculturally suitable salts thereof, agricultural compositions containing them and their use as fungicides.
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: May 5, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: James Francis Bereznak, Zen-Yu Chang, Thomas Paul Selby, Charlene Gross Sternberg
  • Fungicidal fused bicyclic pyrimidinones
    Patent number: H1829
    Abstract: This invention pertains to compounds of Formula I including all geometric and stereoisomers, N-oxides, agriculturally-suitable salts thereof, agricultural compositions containing them and their use as fungicides: ##STR1## wherein: Q is O or S; and n, R.sup.1, R.sup.2, X, and Y are described in the text.
    Type: Grant
    Filed: November 2, 1994
    Date of Patent: January 4, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: James Francis Bereznak