Patents by Inventor Christoph H. Röhrig

Christoph H. Röhrig 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).

  • CRYSTALLINE CARBOHYDRATE DERIVATIVE
    Publication number: 20140378679
    Abstract: ?-Lactosamine hydrochloride, substantially free of ?-lactosamine hydrochloride; a method of preparing ?-lactosamine hydrochloride monohydrate from an anomeric mixture of lactosamine hydrochloride, including: preparing a solution including the anomeric mixture of lactosamine hydrochloride, water and at least one water-miscible organic solvent at a temperature of 0-100° C., and cooling the solution to cause crystallisation of ?-lactosamine hydrochloride monohydrate; a method of preparing anhydrous ?-lactosamine hydrochloride; and use of ?-lactosamine hydrochloride as a food supplement or intermediate in synthesis.
    Type: Application
    Filed: July 1, 2014
    Publication date: December 25, 2014
    Applicant: GLYCOM A/S
    Inventors: Gyula DEKANY, Károly ÁGOSTON, István BAJZA, Marie BØJSTRUP, Ignacio FIGUEROA PÉREZ, Lars KRÖGER, Christoph H. RÖHRIG
  • 1,2-dideoxy-1,2-diamino oligosaccharides and polysaccharides and derivatives thereof
    Patent number: 8802841
    Abstract: A 1,2-dideoxy-1,2-diamino oligosaccharide or polysaccharide in its free base, salt or metal-complex form as shown in General Formula 1 and derivative thereof is described. R1, R2 and R3 are each independently selected from the group consisting of H and a carbohydrate moiety, with the proviso that at least one of the groups R1, R2 or R3 is a carbohydrate moiety; R4 is selected from the group consisting of: H, optionally substituted C1-20-alkyl, optionally substituted heteroalkyl, optionally substituted C2-20-alkenyl, optionally substituted C2-20-alkynyl, optionally substituted C3-10-cycloalkyl, optionally substituted heterocyclyl, optionally substituted aryl, and optionally substituted heteroaryl.
    Type: Grant
    Filed: November 3, 2008
    Date of Patent: August 12, 2014
    Assignee: Glycom A/S
    Inventors: Gyula Dekany, István Bajza, Marie Bøjstrup, Károly Ágoston, Lars Kröger, Ignacio Figueroa Pérez, Christoph H. Röhrig, Paulo Vital, Erzsébet Czinege
  • Crystalline carbohydrate derivative
    Patent number: 8796434
    Abstract: ?-Lactosamine hydrochloride, substantially free of ?-lactosamine hydrochloride; a method of preparing ?-lactosamine hydrochloride monohydrate from an anomeric mixture of lactosamine hydrochloride, including: preparing a solution including the anomeric mixture of lactosamine hydrochloride, water and at least one water-miscible organic solvent at a temperature of 0-100° C., and cooling the solution to cause crystallization of ?-lactosamine hydrochloride monohydrate; a method of preparing anhydrous ?-lactosamine hydrochloride; and use of ?-lactosamine hydrochloride as a food supplement or intermediate in synthesis.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: August 5, 2014
    Assignee: Glycom A/S
    Inventors: Gyula Dekany, Károly Ágoston, István Bajza, Marie Bøjstrup, Ignacio Fegueroa Pérez, Lars Kröger, Christoph H. Röhrig
  • CRYSTALLINE CARBOHYDRATE DERIVATIVE
    Publication number: 20110166339
    Abstract: ?-Lactosamine hydrochloride, substantially free of ?-lactosamine hydrochloride; a method of preparing ?-lactosamine hydrochloride monohydrate from an anomeric mixture of lactosamine hydrochloride, including: preparing a solution including the anomeric mixture of lactosamine hydrochloride, water and at least one water-miscible organic solvent at a temperature of 0-100° C., and cooling the solution to cause crystallisation of ?-lactosamine hydrochloride monohydrate; a method of preparing anhydrous ?-lactosamine hydrochloride; and use of ?-lactosamine hydrochloride as a food supplement or intermediate in synthesis.
    Type: Application
    Filed: July 15, 2009
    Publication date: July 7, 2011
    Applicant: GLYCOM A/S
    Inventors: Gyula Dekany, Karoly Agoston, Istvan Bajza, Marie Bøjstrup, Ignacio Fegueroa Pérez, Lars Kröger, Christoph H. Röhrig