Patents by Inventor Raimundo Romualdo

Raimundo Romualdo 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).

  • Defoamer and methods of use thereof
    Patent number: 6448298
    Abstract: Disclosed are methods and compositions for defoaming alcoholic fermentations. An aqueous composition of polydimethylsiloxane, an ethylene oxide/propylene oxide block copolymer and a silicone/silica blend is employed to treat the fermentation for foaming.
    Type: Grant
    Filed: May 15, 2000
    Date of Patent: September 10, 2002
    Assignee: BetzDearborn, Inc.
    Inventors: Raimundo Romualdo, Claudio Cândido Luiz, Luiz Antonio Fernandes
  • Defoamer and methods of use thereof
    Patent number: 6083998
    Abstract: Disclosed are methods and compositions for defoaming alcoholic fermentations. An aqueous composition of polydimethylsiloxane, an ethylene oxide/propylene oxide block copolymer and a silicone/silica blend is employed to treat the fermentation for foaming.
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: July 4, 2000
    Assignee: BetzDearborn Inc.
    Inventors: Raimundo Romualdo, Claudio Candido Luiz, Luiz Antonio Fernandes