Patents Assigned to Ministero Dell'Univerita' E Della Ricerca Scientifica E Tecnologica
  • Process for the production of poly(lactic acid)
    Patent number: 5543494
    Abstract: Poly(lactic acid) with a high molecular weight is produced by the polycondensation reaction of the free monomer carried out in the presence of a catalytically effective quantity of iron ions. High molecular weight poly(lactic acid) and lactide are obtained as the principal products.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: August 6, 1996
    Assignee: Ministero Dell'Univerita' E Della Ricerca Scientifica E Tecnologica
    Inventors: Gabriele Perego, Catia Bastioli, Karolina Grzebieniak, Antoni Niekraszewicz