Patents by Inventor Christian Wulff

Christian Wulff 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).

  • Process for the preparation of N-phosphonomethylglycine
    Publication number: 20040063996
    Abstract: The present invention relates to a process for the preparation of N-phosphonomethylglycine by reacting a hexahydrotriazine derivative with a triacyl phosphite. The process gives N-phosphonomethylglycine in high yield and in a simple and inexpensive manner.
    Type: Application
    Filed: September 22, 2003
    Publication date: April 1, 2004
    Inventors: Christian Wulff, Stefan Orsten, Alfred Oftring
  • Process for the preparation of N-phosphonomethylglycine
    Patent number: 6660878
    Abstract: The present invention relates to a process for the preparation of N-phosphonomethylglycine by reacting a hexahydrotriazine derivative with a triacyl phosphite. The process gives N-phosphonomethylglycine in high yield and in a simple and inexpensive manner.
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: December 9, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Christian Wulff, Stefan Orsten, Alfred Oftring
  • Process for the preparation of N-phosphonomethylglycine
    Publication number: 20030166966
    Abstract: The present invention relates to a process for the preparation of N-phosphonomethylglycine by reacting a hexahydrotriazine derivative with a triacyl phosphite. The process gives N-phosphonomethylglycine in high yield and in a simple and inexpensive manner.
    Type: Application
    Filed: February 20, 2003
    Publication date: September 4, 2003
    Inventors: Christian Wulff, Stefan Orsten, Alfred Oftring
  • Method for production of n-phosphonomethylglycine
    Publication number: 20030004370
    Abstract: The present invention relates to a process for the preparation of N-phosphonomethylglycine by reacting a hexahydrotriazine derivative with a triacyl phosphite. The process gives N-phosphonomethylglycine in high yield and in a simple and inexpensive manner.
    Type: Application
    Filed: June 24, 2002
    Publication date: January 2, 2003
    Inventors: Christian Wulff, Stefan Orsten, Alfred Oftring