Patents by Inventor Helga U. Payer

Helga U. Payer 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 purification of gaseous chlorine
    Patent number: 4321795
    Abstract: The present invention relates to the purification of gaseous chlorine by means of compression, liquefaction and re-evaporation. It relates in particular to the purification of gaseous chlorine with a high inert gas content, such as is obtained in diaphragm type alkaline chloride electrolysis processes.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: March 30, 1982
    Inventors: Helmut Brandt, Helga U. Payer, Michael A. Payer, Heike U. Payer