Patents Assigned to Chemi, S.p.A.
  • RP-HPLC analysis of complex polypeptide mixtures
    Patent number: 10539568
    Abstract: The present invention relates to reversed phase high-performance liquid chromatography (HPLC) methods useful for the characterisation of glatiramer acetate or similar polypeptide mixtures. The method described herein can distinguish glatiramer acetate from non-conforming copolymers and may be used to choose batches of glatiramer acetate suitable for pharmaceutical use.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: January 21, 2020
    Assignee: CHEMI, S.P.A.
    Inventors: Maria Lattanzio, Aureliano Gaiassi, Andrea Stevenazzi
  • Process for the production of high purity iohexol
    Patent number: 6897339
    Abstract: Purification process of iohexol comprising the treatment of said product with 1-methoxy-2-propanol either alone or mixed with other solvents.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: May 24, 2005
    Assignee: Chemi, S.p.A.
    Inventors: Stefano Turchetta, Pietro Massardo, Valentina Aromatario