Patents by Inventor Neithardt Schultz

Neithardt Schultz 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).

  • Method of preparing 1,1-difluoroethylene
    Patent number: 4148831
    Abstract: Method of preparing 1,1-difluoroethylene from 1,1-difluoroethane by photochlorinating 1,1-difluoroethane to 1,1-difluoro-1-chloroethane and immediately thereafter reacting the reaction products of the photochlorination at temperatures between 550 and 750.degree. C. without isolation of the 1,1-difluoro-1-chloroethane.
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: April 10, 1979
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Neithardt Schultz, Peter Martens, Hans-Joachim Vahlensieck