Patents by Inventor Nando Toderi

Nando Toderi 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 reduction of pterins
    Patent number: 6162914
    Abstract: The inventive process for the reduction of pterins by means of an alkali metal boron hydride in water to the corresponding 5,6,7,8-tetrahydropterins is characterized in that the reduction is carried out in the presence of a catalytical amount of a water-soluble Pb(II)-salt.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: December 19, 2000
    Assignee: Cerbios-Pharma S.A.
    Inventors: Nando Toderi, Fabrizio Marazza
  • Method for the purification of raw caprolactam
    Patent number: 4314940
    Abstract: A method for the purification of raw caprolactam containing primary amides f the formula ##STR1## wherein R is a hydrocarbon radical having 1-14 carbon atoms is described. The raw caprolactam is treated with at least one compound containing at least one hydroxyl group, in an amount of at least 20% by weight with respect to the raw caprolactam, at a temperature equal to or higher than that at which the ammonia, which is a part of the amide of formula I, is liberated. The caprolactam is then separated and isolated from the hydroxyl containing compound by known methods.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: February 9, 1982
    Assignee: SNIA Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.p.A.
    Inventors: Paolo Senni, Nando Toderi