Patents by Inventor Jihong He

Jihong He 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).

  • Stabilized N-alkenyllactam
    Patent number: 6583281
    Abstract: The invention provides an N-alkenyllactam having at least a 6-membered lactam ring, stabilized by phenothiazine and/or derivatives thereof, and a process for the stabilization of N-alkenyllactams.
    Type: Grant
    Filed: May 9, 2001
    Date of Patent: June 24, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Arnd Böttcher, Rolf Pinkos, Rudolf Erich Lorenz, Hansjörg Nickel, Jihong He
  • Stabilized N-alkenyllactam
    Publication number: 20020002280
    Abstract: The invention provides an N-alkenyllactam having at least a 6-membered lactam ring, stabilized by phenothiazine and/or derivatives thereof, and a process for the stabilization of N-alkenyllactams.
    Type: Application
    Filed: May 9, 2001
    Publication date: January 3, 2002
    Inventors: Arnd Bottcher, Rolf Pinkos, Rudolf Erich Lorenz, Hansjorg Nickel, Jihong He