Patents by Inventor Benjamin J Naden

Benjamin J Naden 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).

  • Metal Oxide Dispersion
    Publication number: 20090191273
    Abstract: A dispersion contains particles of metal oxide having a median volume particle diameter in the range from 24 to 42 nm which are dispersed in a medium which includes a mixture of at least one polar material having an interfacial tension of less than 30 mNm?1 and at least one siloxane fluid. The dispersion can be used in a sunscreen product that exhibits effective UV protection, transparency, and improved skin feel.
    Type: Application
    Filed: September 20, 2006
    Publication date: July 30, 2009
    Applicant: Croda International PLC
    Inventors: Lorna M. Kessell, Benjamin J. Naden
  • Metal Oxide Dispersion
    Publication number: 20080057008
    Abstract: A dispersion contains particles of metal oxide having a median volume particle diameter in the range from 24 to 42 nm which are dispersed in a medium which includes a mixture of at least one polar material having an interfacial tension of less than 30 mNm?1 and at least one non-polar material having an interfacial tension of greater than 30 mNm?1. The dispersion can be fused in a sunscreen product that exhibits effective UV protection, transparency, and improved skin feel.
    Type: Application
    Filed: March 4, 2005
    Publication date: March 6, 2008
    Inventors: Benjamin J Naden, Julian P Hewitt, Loma M Kessell