Patents by Inventor Maria-Paola Parisi

Maria-Paola Parisi 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).

  • Method of purifying lactic acid by crystallization
    Patent number: 8471062
    Abstract: Method for purifying lactic acid by crystallization in one or a plurality of steps, characterized in that crystals are formed from an impure aqueous lactic acid solution having a color of >500 Hazen, at a concentration between 85 and 95% by controlling the lactic acid oligomer content expressed in terms of a relative monomer content greater than 80% and controlling the degree of supersaturation of the solution between 1 and 60% in order to obtain lactic acid crystals having a specific surface area by mass of <0.05 m2/g.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: June 25, 2013
    Assignee: Galactic S.A.
    Inventors: Philippe Coszach, Jean-Christophe Bogaert, Pierre-Antoine Mariage, Angelo Chianese, Maria-Paola Parisi
  • METHOD OF PURIFYING LACTIC ACID BY CRYSTALLIZATION
    Publication number: 20110319660
    Abstract: Method for purifying lactic acid by crystallisation in one or a plurality of steps, characterised in that crystals are formed from an impure aqueous lactic acid solution having a colour of >500 Hazen, at a concentration between 85 and 95% by controlling the lactic acid oligomer content expressed in terms of a relative monomer content greater than 80% and controlling the degree of supersaturation of the solution between 1 and 60% in order to obtain lactic acid crystals having a specific surface area by mass of <0.05 m2/g.
    Type: Application
    Filed: November 18, 2009
    Publication date: December 29, 2011
    Applicant: Galactic SA
    Inventors: Philippe Coszach, Jean-Christophe Bogaert, Pierre-Antoine Mariage, Angelo Chianese, Maria-Paola Parisi