Patents by Inventor Ulrich Rappold

Ulrich Rappold 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 separating hydrogen halides from gases containing sulphur dioxide
    Patent number: 5888465
    Abstract: Disclosed and claimed is a process for selectively separating hydrogen halides from sulfur-dioxide-containing gases by using an adsorbent made from a porous ceramic support material which is impregnated with an alkaline earth metal salt solution and, after evaporation of the solvent, the alkaline earth metal salt is pyrolysed at 200.degree. to 800.degree. C. to give alkaline earth metal oxide .Xh.sub.2 O, where x is a number from 0 to 1.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: March 30, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Ulrich Rappold, Wolfgang Schick, Jorg Schmid, Joachim Semel, Heinrich Merten, Matthias Schubert, Gerhard Luft