Patents by Inventor Karolina Grzebieniak

Karolina Grzebieniak 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 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