Patents by Inventor Adolfo Brusaferro

Adolfo Brusaferro 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).

  • Apparatus for producing polyolefin grafted copolymers
    Patent number: 5942194
    Abstract: A gas phase process for producing olefin polymer graft copolymers, including providing a reaction apparatus having first and second reaction zones operatively connected to each other into which particles of an olefin polymer and a free-radical polymerizable monomer are fed while maintaining free-radical polymerization conditions and a substantial non-oxidizing environment in said zones and from which the grafted copolymer product is discharged. An apparatus suitable for practicing this process is also disclosed.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: August 24, 1999
    Assignee: Montell North America Inc.
    Inventors: Albert A. Hummel, Adolfo Brusaferro, Roberto Rinaldi
  • Process for producing polyolefin grafted copolymers
    Patent number: 5696203
    Abstract: A gas phase process for producing olefin polymer graft copolymers, including providing a reaction apparatus having first and second reaction zones operatively connected to each other into which particles of an olefin polymer and a free-radical polymerizable monomer are fed while maintaining free-radical polymerization conditions and a substantial non-oxidizing environment in said zones and from which the grafted copolymer product is discharged. An apparatus suitable for practicing this process is also disclosed.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: December 9, 1997
    Assignee: Montell North America Inc.
    Inventors: Albert A. Hummel, Adolfo Brusaferro, Roberto Rinaldi