Patents by Inventor Ugo Bonicelli

Ugo Bonicelli 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 mixes of acrylic rubbers with styrene/acrylonitrile copolymers, endowed with improved impact-resistant characteristics
    Patent number: 4503190
    Abstract: The impact-resistance characteristics of styrene/acrylonitrile copolymers (SAN) are improved by the admixture to them of acrylic rubbers consisting of either copolymers or terpolymers of ethyl and/or butyl acrylate with acrylic and/or methacrylic acid, by carrying out said mixing in the presence of from 0.05 to 2% by weight of a halide chosen out from among: ZnCl.sub.2, FeCl.sub.3, AlCl.sub.3, CdCl.sub.2, BF.sub.3.(C.sub.2 H.sub.5).sub.2 O; and of 0.5-5 mols, on 100 mols of acrylic rubber, of an epoxy cross-linking compound, at temperatures comprised between the glass transition temperature of the SAN copolymer and 220.degree. C.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: March 5, 1985
    Assignee: Montedison S.p.A.
    Inventors: Leonardo Fiore, Marco Binaghi, Ugo Bonicelli