Patents by Inventor Nicholas J. Kerkhof

Nicholas J. Kerkhof 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).

  • Process for producing nanoparticles by spray drying
    Patent number: 8771740
    Abstract: Nanoparticles of a compound are produced by spraying a solution of the compound into a heated chamber. The resulting product comprises a free flowing mixture of nanoparticles of the compound.
    Type: Grant
    Filed: May 21, 2006
    Date of Patent: July 8, 2014
    Inventor: Nicholas J. Kerkhof
  • Process for producing nanometer particles by fluid bed spray-drying
    Patent number: 7078057
    Abstract: Nanometer particles of poorly water-soluble or substantially water-insoluble compound are produced by finely-spraying a non-aqueous solution of said compound into a heated and fluidized bed of carrier excipient. The resulting product consists of a free flowing mixture of relatively large particles of carrier excipient and nanometer sized particles (less than 3 ?m)) of compound.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: July 18, 2006
    Inventor: Nicholas J. Kerkhof
  • Process for producing nanometer particles by fluid bed spray-drying
    Publication number: 20030211162
    Abstract: Nanometer particles of poorly water-soluble or substantially water-insoluble compound are produced by finely-spraying a non-aqueous solution of said compound into a heated and fluidized bed of carrier excipient. The resulting product consists of a free flowing mixture of relatively large particles of carrier excipient and nanometer sized particles (less than 3 &mgr;m)) of compound.
    Type: Application
    Filed: October 18, 2002
    Publication date: November 13, 2003
    Inventor: Nicholas J. Kerkhof
  • Sunscreen composition
    Patent number: 4264581
    Abstract: An improved sunscreen composition containing the active ingredients 2-ethylhexyl-N,N-dimethyl-p-aminobenzoic acid and 2-hydroxy-4-methoxybenzophenone is described.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: April 28, 1981
    Assignee: Eli Lilly and Company
    Inventors: Nicholas J. Kerkhof, Anne M. Herrold