Patents by Inventor Rita Sigueiro Ponte

Rita Sigueiro Ponte 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).

  • Versatile and functionalised intermediates for the synthesis of vitamin D and novel vitamin D derivatives
    Patent number: 9994508
    Abstract: Novel intermediates for the complete synthesis of vitamin D are provided that allow a great versatility of functional groups in the final vitamin derivatives. Vitamin derivatives that are epimeric in position 3 and vitamin derivatives with a wide range of functionalities in position 18, including compounds with isotopic labelling are provided.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: June 12, 2018
    Assignee: Endotherm GmbH
    Inventors: Borja Lopez Perez, Rita Sigueiro Ponte, Miguel A. Maestro Saavedra, Antonio Mourino Mosquera
  • Versatile and Functionalised Intermediates for the Synthesis of Vitamin D and Novel Vitamin D Derivatives
    Publication number: 20150344421
    Abstract: Novel intermediates for the complete synthesis of vitamin D are provided that allow a great versatility of functional groups in the final vitamin derivatives. Vitamin derivatives that are epimeric in position 3 and vitamin derivatives with a wide range of functionalities in position 18, including compounds with isotopic labelling are provided.
    Type: Application
    Filed: December 9, 2013
    Publication date: December 3, 2015
    Inventors: Borja Lopez Perez, Rita Sigueiro Ponte, Miguel A. Maestro Saavedra, Antonio Mourino Mosquera
  • DEUTERATED VITAMIN D COMPOUNDS
    Publication number: 20110213168
    Abstract: The invention relates to deuterated vitamin D compounds and the process for preparing and synthesizing a class of vitamin D compounds which can be isotopically substituted. These compounds can be used as internal standards in methods for the quantification of vitamin D, its metabolites and analogues by mass spectrometry. These compounds are described by means of general formula I.
    Type: Application
    Filed: June 25, 2009
    Publication date: September 1, 2011
    Applicant: UNIVERSIDADE DE SANTIAGO DE COMPOSTELA
    Inventors: Miguel A. Maestro Saavedra, Antonio Mourino Mosquera, Daniel Nicoletti, Rita Sigueiro Ponte