Patents by Inventor Ivano MESSINA

Ivano MESSINA 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 HIGH PURITY ALLOPREGNANOLONE AND INTERMEDIATES THEREOF
    Publication number: 20220162255
    Abstract: The invention relates to an efficient and industrially applicable process for the preparation and purification of allopregnanolone and intermediates thereof without the assistance of column chromatography.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 26, 2022
    Inventors: Ivano MESSINA, Jesús Miguel IGLESIAS RETUERTO, Ana María ARES SACRISTÁN
  • Process and new intermediates for the preparation of 11-methylene steroids
    Patent number: 11034716
    Abstract: A process for the preparation of 11-methylene steroids from di-keto steroids involves selective olefination of the ketone at position 11 of the di-keto steroids. The resulting 11-methylene steroid products can be used as intermediates in the preparation of the synthetic steroids, Etonogestrel and Desogestrel, as well as other pharmaceutically active agents.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: June 15, 2021
    Assignee: CRYSTAL PHARMA, S.A.U.
    Inventors: Celso Miguel Sandoval Rodríguez, Ignacio Herráiz Sierra, Ivano Messina, Jesús Miguel Iglesias Retuerto
  • PROCESS FOR PREPARING HIGH PURITIY ALLOPREGNANOLONE AND INTERMEDIATES THEREOF
    Publication number: 20200299323
    Abstract: The invention relates to an efficient and industrially applicable process for the preparation and purification of allopregnanolone and intermediates thereof without the assistance of column chromatography.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 24, 2020
    Inventors: Ivano MESSINA, Jesús Miguel IGLESIAS RETUERTO, Ana María ARES SACRISTÁN