Patents by Inventor Luigi Rivolta

Luigi Rivolta 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 preparing glycolic acid and its polymers
    Patent number: 4052452
    Abstract: A process is disclosed for preparing glycolic acid and its polymers starting from formaldehyde, wherein the formaldehyde is reacted with carbon monoxide in concentrated H.sub.2 SO.sub.4 as reaction medium, in the presence of a catalyst based on a compound of Cu (I) or of Ag, and at a temperature ranging from 0.degree. to 90.degree. C and at a pressure between 0.1 and 30 atmospheres.
    Type: Grant
    Filed: July 29, 1975
    Date of Patent: October 4, 1977
    Assignee: Montedison S.p.A.
    Inventors: Salvatore Scardigno, Luigi Rivolta, Giuseppe Caprara, Luigi Cassar