Patents by Inventor Helena Camps Ramírez De Cartagena

Helena Camps Ramírez De Cartagena 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 a leukotriene antagonist and an intermediate thereof
    Patent number: 8163924
    Abstract: Dicyclohexylamine salt of formula (IIa) or a pharmaceutically acceptable solvate thereof, including a hydrate, and its process for preparation are provided. The invention also relates to processes for the preparation of montelukast of formula (I) or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, including a hydrate, based on the conversion of a salt of formula (IIa) into its form of free acid, followed by reaction with a compound of formula (III) CH3MgX, wherein X is halogen, in a suitable solvent, optionally in the presence of a Lewis acid.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: April 24, 2012
    Assignee: Moehs Ibérica, S.L.
    Inventors: Carles Sánchez Casals, Helena Camps Ramírez De Cartagena
  • Process for preparing a leukotriene antagonist and an intermediate thereof
    Publication number: 20100204476
    Abstract: Dicyclohexylamine salt of formula (IIa) or a pharmaceutically acceptable solvate thereof, including a hydrate, and its process for preparation are provided. The invention also relates to processes for the preparation of montelukast of formula (I) or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, including a hydrate, based on the conversion of a salt of formula (IIa) into its form of free acid, followed by reaction with a compound of formula (III) CH3MgX, wherein X is halogen, in a suitable solvent, optionally in the presence of a Lewis acid.
    Type: Application
    Filed: July 30, 2008
    Publication date: August 12, 2010
    Inventors: Carles Sánchez Casals, Helena Camps Ramírez De Cartagena