Patents by Inventor K. Edward Nuernberg

K. Edward Nuernberg 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 manufacturing isocyanates and producing reagent grade hydrochloric acid therefrom
    Patent number: 5756063
    Abstract: Reagent grade hydrochloric acid having an iron content of less than 200 p.p.b. is made from an industrial organic isocyanate manufacturing process by removing hydrogen chloride from organic isocyanates produced in the reaction between phosgene and an organic amine, converting the hydrogen chloride to concentrated aqueous hydrochloric acid, and contacting the acid with a strongly basic anion exchange resin.
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: May 26, 1998
    Assignee: BASF Corporation
    Inventors: K. Edward Nuernberg, Hans V. Schwarz