Patents by Inventor Karl Borchers

Karl Borchers 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 sulfuric acid from sulfoxidation output
    Patent number: 4310473
    Abstract: The process for separating sulfuric acid from the sulfoxidation output obtained when paraffins are reacted with sulfuric acid, oxygen and water in the presence of ultraviolet light, using an alcohol containing at least 5 C atoms, is improved by treating the sulfoxidation output with a 0.25 to 2.5 fold amount by weight of a mixture of(a) 40 to 95% by weight of alcohol, and(b) 5 to 60% by weight of paraffins and the aqueous phase formed thereby is separated with the sulfuric acid.
    Type: Grant
    Filed: March 3, 1981
    Date of Patent: January 12, 1982
    Assignee: Chemische Werke Huls AG
    Inventors: Hermann Springmann, Karl Borchers