Patents by Inventor Giudo Petrini

Giudo Petrini 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 bound zeolites
    Patent number: 7018595
    Abstract: A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-alkylorthosilicate is optionally added, resulting from the synthesis of zeolite by hydrothermal treatment at autogenous pressure of the reagent mixture containing tetra-alkylammoniumhydroxide as templating agent, and subjecting the product resulting from the drying to calcination.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: March 28, 2006
    Assignee: Enichem S.p.A.
    Inventors: Angela Carati, Giuseppe Bellussi, Maria Angela Mantegazza, Giudo Petrini
  • Process for preparing bound zeolites
    Publication number: 20050187096
    Abstract: A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-alkylorthosilicate is optionally added, resulting from the synthesis of zeolite by hydrothermal treatment at autogenous pressure of the reagent mixture containing tetra-alkylammoniumhydroxide as templating agent, and subjecting the product resulting from the drying to calcination.
    Type: Application
    Filed: April 18, 2005
    Publication date: August 25, 2005
    Applicant: ENICHEM S.p.A.
    Inventors: Angela Carati, Giuseppe Bellussi, Maria Mantegazza, Giudo Petrini
  • Process for preparing bound zeolites
    Publication number: 20030083190
    Abstract: A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-alkylorthosilicate is optionally added, resulting from the synthesis of zeolite by hydrothermal treatment at autogenous pressure of the reagent mixture containing tetra-alkylammoniumhydroxide as templating agent, and subjecting the product resulting from the drying to calcination.
    Type: Application
    Filed: December 10, 2002
    Publication date: May 1, 2003
    Applicant: ENICHEM S.p.A
    Inventors: Angela Carati, Giuseppe Bellussi, Maria Angela Mantegazza, Giudo Petrini
  • Process for preparing bound zeolites
    Patent number: 6524984
    Abstract: A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-alkylorthosilicate is optionally added, resulting from the synthesis of zeolite by hydrothermal treatment at autogenous pressure of the reagent mixture containing tetra-alkylammoniumhydroxide as templating agent, and subjecting the product resulting from the drying to calcination.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: February 25, 2003
    Assignee: Enichem S.p.A.
    Inventors: Angela Carati, Giuseppe Bellussi, Maria Angela Mantegazza, Giudo Petrini