Patents by Inventor Ernst Kochendoerfer

Ernst Kochendoerfer 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).

  • Continuous manufacture of unsaturated polyesters
    Patent number: 4180635
    Abstract: An economical and environmentally advantageous process for the continuous manufacture of unsaturated polyesters, wherein the vapors formed during the polycondensation are purified, in a two-part distillation column, to a degree where the residual content of organic starting materials is less than 1.5 percent by weight, based on the total weight of the effluent, and the unconverted starting materials are recycled to the process.
    Type: Grant
    Filed: March 29, 1978
    Date of Patent: December 25, 1979
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Fischer, Richard Thoma, Hanshelmut Kaeppel, Ernst Kochendoerfer, Werner Lagaly