Patents by Inventor Luisa Fiocca

Luisa Fiocca 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 preparation of acrylonitrile copolymers with at least one (di) olefin
    Patent number: 5889129
    Abstract: Process for the preparation of acrylonitrile copolymers with at least one (di)olefin which comprises reacting the monomers in the presence of a catalytic system essentially consisting of:i) a complex of zirconium having the general formula:ZrA.sub.a B.sub.b (I)wherein A represents a cyclopentadienyl, indenyl or fluorenyl group, B represents a hydrogen atom, a halogen or a C.sub.1 -C.sub.8 (iso)alkyl, alkoxyl or carboxyl radical;ii) an aluminumalkyl halide having the general formula:AlR.sub.n X.sub.m (II)wherein R represents a C.sub.1 -C.sub.4 (iso)alkyl group, X is a halogen.
    Type: Grant
    Filed: June 25, 1998
    Date of Patent: March 30, 1999
    Assignee: Enichem S.p.A.
    Inventors: Riccardo Po', Luisa Fiocca
  • High activity catalytic system for the synthesis of poly(ethylene terephthalate)
    Patent number: 5644019
    Abstract: In the present invention, a class of catalysts is described, to be used in the polycondensation stage in the synthesis of poly(ethylene terephthalate), constituted by a composition of metal derivatives in quantity so that the content of these in the final polymer is below 130 ppm.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: July 1, 1997
    Assignee: Enichem S.p.A.
    Inventors: Riccardo Po', Luigi Pelosini, Ernesto Occhiello, Luisa Fiocca
  • Process for preparing high molecular weight polyethylene-terephthalate from recycled polyethyleneterephthalate
    Patent number: 5331065
    Abstract: Polyethyleneterephthalate (PET) originating from the sorted collection of solid urban refuse can be regraded and recycled as such or mixed with virgin PET if treated at high temperature with an oxazoline of general formula: ##STR1##
    Type: Grant
    Filed: July 7, 1993
    Date of Patent: July 19, 1994
    Assignees: Eniricerche S.p.A., Enichem S.p.A.
    Inventors: Riccardo Po', Nicoletta Cardi, Luisa Fiocca, Antonio Gennaro, Giorgio Giannotta, Ernesto Occhiello