Patents by Inventor Valter Castelvetro

Valter Castelvetro 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).

  • One step process for preparing cross-linked poly(allylamine) polymers
    Patent number: 8394416
    Abstract: The present invention relates to a novel one step process for preparing cross-linked poly(allylamine) polymers or salts thereof using the novel cross-linking agent of Formula (IV). This invention also relates to the compound of Formula (IV) as well as to a process to obtain it. The cross-linked poly(allylamine) polymers of the invention are useful in medicine as substrate-binding polymers.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: March 12, 2013
    Assignee: Chemo Ibérica, S.A.
    Inventors: Sabrina Bianchi, Valter Castelvetro, Giovanni Marras, Sonja Bellomi, Graziano Castaldi, Gianpiero Ventimiglia
  • Novel one step process for preparing cross-linked poly(allylamine) polymers
    Publication number: 20100183732
    Abstract: The present invention relates to a novel one step process for preparing cross-linked poly(allylamine) polymers or salts thereof using the novel cross-linking agent of Formula (IV). This invention also relates to the compound of Formula (IV) as well as to a process to obtain it. The cross-linked poly(allylamine) polymers of the invention are useful in medicine as substrate-binding polymers.
    Type: Application
    Filed: July 16, 2008
    Publication date: July 22, 2010
    Inventors: Sabrina Bianchi, Valter Castelvetro, Giovanni Marras, Sonja Bellomi, Graziano Castaldi, Gianpiero Ventimiglia