Patents by Inventor Isabel Waldeck

Isabel Waldeck 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).

  • Herbicidal 3-(heterocycl-1-yl)-uracils
    Patent number: 6376426
    Abstract: The invention relates to novel 3-heterocycl-1-yluracils of formula I: wherein R1 and R2 together with the interjacent nitrogen atom form an optionally substituted, optionally benzo-condensed 5-membered heterocyclic ring and R3 through R5 have the meaning given in claim 1. The invention also relates to a method of the production of these substances and to herbicidal compositions containing such compounds as active ingredients.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: April 23, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Scheiblich, Trevor Newton, Peter Johannes Servaas Savio van Eijk, Isabel Waldeck
  • Oxazole carboxamide herbicides
    Patent number: 6096688
    Abstract: The novel compounds of formula I: wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Ar have the meaning given in claim 1, and herbicidal compositions containing such compounds as active ingredients.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: August 1, 2000
    Assignee: American Cyanamid Company
    Inventors: Trevor Newton, Isabel Waldeck