Patents by Inventor Karl Kauffman

Karl Kauffman 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).

  • Patent number: 11447455
    Abstract: Solid polymorphic forms of sulfentrazone are described. Particularly, a new polymorphic form of sulfentrazone is described herein as sulfentrazone-1, having surprising property advantages over technical sulfentrazone. Processes for the preparation of sulfentrazone-1, herbicidal compositions comprising sulfentrazone-1, and methods of its use are described.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 20, 2022
    Assignee: FMC Corporation
    Inventors: Paul Nicholson, Karl Kauffman
  • Publication number: 20190337905
    Abstract: Solid polymorphic forms of sulfentrazone are described. Particularly, a new polymorphic form of sulfentrazone is described herein as sulfentrazone-1, having surprising property advantages over technical sulfentrazone. Processes for the preparation of sulfentrazone-1, herbicidal compositions comprising sulfentrazone-1, and methods of its use are described.
    Type: Application
    Filed: December 14, 2017
    Publication date: November 7, 2019
    Inventors: Paul Nicholson, Karl Kauffman