Patents Examined by Robert Kunemurd
  • Process for preparing a perfume capsule composition
    Patent number: 5324444
    Abstract: A method for preparing a free flowing perfume capsule composition with enhanced performance and stability from slurries containing perfume capsules is described. A process comprising removing water from the slurry to form a wet cake, combining silicone dioxide or aluminosilicate to the wet cake to fluidize the wet cake and removing additional water from the fluidized wet cake to form free flowing perfume capsules is preferred.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: June 28, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Gregory Berry, John M. Marynowski, Kermit W. Kinne