Patents by Inventor Dinah Grawe

Dinah Grawe 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).

  • Antifoaming agent for aqueous media
    Patent number: 8153697
    Abstract: The invention relates to the use of a polyamide prepared from at least one diamine and at least one dicarboxylic acid in a formulation for defoaming aqueous media. The invention also relates to defoamers for aqueous media that comprise such a polyamide.
    Type: Grant
    Filed: December 3, 2007
    Date of Patent: April 10, 2012
    Assignee: BYK-Chemie GmbH
    Inventors: Albert Frank, Daniela Leutfeld, Dinah Grawe, Michaela Michelbrink
  • ANTIFOAMING AGENT FOR AQUEOUS MEDIA
    Publication number: 20100096583
    Abstract: The invention relates to the use of a polyamide prepared from at least one diamine and at least one dicarboxylic acid in a formulation for defoaming aqueous media. The invention also relates to defoamers for aqueous media that comprise such a polyamide.
    Type: Application
    Filed: December 3, 2007
    Publication date: April 22, 2010
    Inventors: Albert Frank, Daniela Betcke, Dinah Grawe, Michaela Vorderwulbeke