Patents by Inventor Hans Blumenstock

Hans Blumenstock 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).

  • Method of purifying preproinsulin
    Patent number: 7803763
    Abstract: The invention relates to a method for the chromatographic purification of preproinsulins, in which higher molecular weight substances are removed from an aqueous solution of preproinsulin by a first chromatography on an anion exchanger in flow-through mode and a subsequent second chromatography on a cation exchanger in adsorption mode, and to a method for preparing insulins, which includes the method for preparing preproinsulins.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: September 28, 2010
    Assignee: Sanofi-Aventis Deutschland GmbH
    Inventors: Horst Thurow, Hans Blumenstock, Chantalle Havenith
  • Method of purifying preproinsulin
    Publication number: 20060183666
    Abstract: The invention relates to a method for the chromatographic purification of preproinsulins, in which higher molecular weight substances are removed from an aqueous solution of preproinsulin by a first chromatography on an anion exchanger in flow-through mode and a subsequent second chromatography on a cation exchanger in adsorption mode, and to a method for preparing insulins, which includes the method for preparing preproinsulins.
    Type: Application
    Filed: December 15, 2005
    Publication date: August 17, 2006
    Applicant: Sanofi-aventis Deutschland GmbH
    Inventors: Horst Thurow, Hans Blumenstock, Chantalle Havenith
  • Method of purifying preproinsulin
    Publication number: 20050080000
    Abstract: The invention relates to a method for the chromatographic purification of preproinsulins, in which higher molecular weight substances are removed from an aqueous solution of preproinsulin by a first chromatography on an anion exchanger in flow-through mode and a subsequent second chromatography on a cation exchanger in adsorption mode, and to a method for preparing insulins, which includes the method for preparing preproinsulins.
    Type: Application
    Filed: August 1, 2003
    Publication date: April 14, 2005
    Applicant: Aventis Pharma Deutschland GmbH
    Inventors: Horst Thurow, Hans Blumenstock, Chantalle Havenith