Patents by Inventor Ronald Anthony Fava

Ronald Anthony Fava 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).

  • Moldable blend of polycarbonate and terpolymer of rubber styrene-maleimide
    Patent number: 4122130
    Abstract: Thermoplastic molding compositions consist of a blend of:A. 10-90% by weight of a polycarbonate of a dihydric phenol and a derivative of carbonic acid.B. 10-90% by weight copolymer of three components:(aa) a rubbery block polymer prepared in a stereospecific system using from 5 to 35% vinyl aromatic compound and from 65 to 95% conjugated alkyldiene,(bb) an amino nitrogen derivative of an ethylenically unsaturated dicarboxylic acid, and(cc) vinyl aromatic composition,Said copolymer containing from about 5% to about 35% rubbery block polymer, from about 5% to about 35% amino nitrogen derivative of an ethylenically unsaturated dicarboxylic acid, and from about 60% to 90% vinyl aromatic composition.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: October 24, 1978
    Assignee: Arco Polymers Inc.
    Inventor: Ronald Anthony Fava