Patents by Inventor Siebe Comelis De Vos

Siebe Comelis De Vos 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).

  • Polymer composition comprising polylactide
    Patent number: 8173752
    Abstract: The present invention pertains to a polymer composition comprising one of poly-D-lactide and poly-L-lactide bonded to an anionic clay mineral and the other of poly-D-lactide and poly-L-lactide not bonded to the anionic clay mineral. In a preferred embodiment, the anionic clay mineral is a hydrotalcite or a meixnerite. The polylactide composition according to the invention combines a high polymerisation rate with a low amount of contaminants in the system.
    Type: Grant
    Filed: April 21, 2009
    Date of Patent: May 8, 2012
    Assignee: Purac Biochem B.V.
    Inventor: Siebe Comelis De Vos