Patents by Inventor Jeffrey N. Foster

Jeffrey N. Foster 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).

  • Patent number: 4917811
    Abstract: Dry, granular bleach compositions comprising an organic peroxycarboxylic acid as the active bleaching agent are obtained by cogranulating the acid with a strongly alkaline, hydratable inorganic or organic salt.These cogranulates show a reduced tendency to decompose or detonate. A typical cogranulate is made from diperoxydodecanedioic acid and dibasic sodium orthophosphate with seven moles of water of hydration.The cogranulates are useful as bleach ingredients in detergent and cleaning compositions.
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: April 17, 1990
    Assignee: Lever Brothers Company
    Inventors: Jeffrey N. Foster, William M. Karpusiewicz, Charles F. Irwin, Hien T. Pham, Michael P. Aronson
  • Patent number: 4759956
    Abstract: A process is disclosed for coating particles comprising suspending the particles in a fluidized bed and introducing therein an encapsulating latex. During introduction of the latex, the fluid bed must be maintained at a temperature which is within 10.degree. C. lower to 20.degree. C. higher than the glass transition temperature of the polymer. Typical core materials include halogen and peroxygen bleaches, bleach precursors, enzymes, colorants and fabric softeners. Preferably, the latex comprises water as a carrier and a polymer with carboxyl functionality, the polymer being insoluble in water.
    Type: Grant
    Filed: May 22, 1987
    Date of Patent: July 26, 1988
    Assignee: Lever Brothers Company
    Inventors: Gamal I. Amer, Jeffrey N. Foster, Carmine P. Iovine