Patents Assigned to Bayer Do Brasil S.A.
  • Patent number: 4853191
    Abstract: A process for the selective removal of sulfur-containing gases from industrial gases or waste gases by treatment of gases with basic substances, characterized in that the basic substances are carrier materials containing tertiary amino groups corresponding to the following formula: ##STR1## in which m and n individually are 1 or 2,x and y individually are from 0 to 10 and preferably 0 to 2,R and R' individually are hydrogen or alkyl andR" is hydrogen or methyl.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: August 1, 1989
    Assignee: Bayer Do Brasil S.A.
    Inventors: Wilhelm Bruening, Rudolf Uchdorf, Alfred Mitschker