Patents by Inventor Juergen Paulig

Juergen Paulig 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).

  • Removal of metal complex dyes from wastewaters
    Patent number: 5202028
    Abstract: Metal complex dyes which are free of reactive groups and have at least one hydroxysulfonyl group are removed from wastewaters by means of amines of at least 6 carbon atoms in the presence or absence of water-immiscible inert organic solvents.
    Type: Grant
    Filed: September 3, 1992
    Date of Patent: April 13, 1993
    Assignee: BASF Aktiengesellschaft
    Inventors: Wolf-Dieter Kermer, Ingrid Steenken-Richter, Juergen Paulig