Patents by Inventor Reinhold Goth

Reinhold Goth 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 preparing crystalline hydroxylamine-O-sulfonic acid
    Patent number: 8038975
    Abstract: A process for preparing crystalline hydroxylamine-O-sulfonic acid by a. reacting hydroxylamine or a hydroxylammonium salt with oleum/sulfuric acid or with chlorosulfonic acid/sulfuric acid at a temperature in the range from 90 to 130° C., b. continuing to stir the reaction mixture at a temperature in the range from 90 to 130° C. for a period of from 2 to 24 hours, c. cooling the reaction mixture to a temperature in the range from 10 to 40° C. within a period of from 1 to 12 hours and d. subsequently removing and washing the hydroxylamine-O-sulfonic acid which has crystallized out.
    Type: Grant
    Filed: January 21, 2008
    Date of Patent: October 18, 2011
    Assignee: BASF SE
    Inventors: Lars Wittenbecher, Reinhold Goth
  • PROCESS FOR PREPARING CRYSTALLINE HYDROXYLAMINE-O-SULFONIC ACID
    Publication number: 20100111807
    Abstract: A process for preparing crystalline hydroxylamine-O-sulfonic acid by a. reacting hydroxylamine or a hydroxylammonium salt with oleum/sulfuric acid or with chiorosulfonic acid/sulfuric acid at a temperature in the range from 90 to 130° C., b. continuing to stir the reaction mixture at a temperature in the range from 90 to 130° C. for a period of from 2 to 24 hours, c. cooling the reaction mixture to a temperature in the range from 10 to 40° C. within a period of from 1 to 12 hours and d. subsequently removing and washing the hydroxylamine-O-sulfonic acid which has crystallized out.
    Type: Application
    Filed: January 21, 2008
    Publication date: May 6, 2010
    Applicant: BASF SE Patents, Trademarks and Licenses
    Inventors: Lars Wittenbecher, Reinhold Goth