Patents Assigned to Haarmann & Reimber GmbH
  • Cinnamic esters
    Patent number: 6531625
    Abstract: In a novel process for the synthesis of cinnamic esters or substituted cinnamic esters, carboxylic esters are reacted, by condensation, with benzaldehyde or substituted benzaldehydes, respectively, in the presence of a solid with basic properties.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: March 11, 2003
    Assignee: Haarmann & Reimber GmbH
    Inventors: Walter Kuhn, Gerhard Braun, Stephan Klein
  • Process for producing blue microcapsules
    Patent number: 6506368
    Abstract: The invention relates to a process for producing uniformly colored blue microcapsules, using oil-soluble dyes.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: January 14, 2003
    Assignee: Haarmann & Reimber GmbH
    Inventors: Rita Lages, Frank Aickele, Hubert Loges, Arnold Machinek