Patents Represented by Law Firm Roger & Wells
  • Patent number: 5500199
    Abstract: Zeolites having a pore diameter comprised within the range of from 5 to 12 .ANG. are bonded with amorphous oligomeric silica, by dispersing them in an aqueous solution of silica and alkylammonium hydroxide, and submitting the obtained suspension to a quick drying.
    Type: Grant
    Filed: March 24, 1994
    Date of Patent: March 19, 1996
    Assignee: Eniricerche S.p.A.
    Inventors: Giuseppe Bellussi, Franco Buonomo, Antonio Esposito, Mario G. Clerici, Ugo Romano