Patents by Inventor Loma Margaret Kessell

Loma Margaret Kessell 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 composition
    Patent number: 8137659
    Abstract: A composition comprises a non-ionic surfactant and hydrophobic particles of metal oxide having the mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The composition is particularly suitable for use in aqueous media, and can be used in a sunscreen product that exhibits both effective UV protection and improved transparency.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: March 20, 2012
    Assignee: Croda International PLC
    Inventor: Loma Margaret Kessell
  • Metal Oxide Composition
    Publication number: 20080044483
    Abstract: A composition comprises a non-ionic surfactant and hydrophobic particles of metal oxide having the mean length of the primary particles in the range from 50 to 90 nm, the mean width of the primary particles in the range from 5 to 20 nm, and the median volume particle diameter of the secondary particles is less than 45 nm. The composition is particularly suitable for use in aqueous media, and can be used in a sunscreen product that exhibits both effective UV protection and improved transparency.
    Type: Application
    Filed: November 13, 2002
    Publication date: February 21, 2008
    Inventor: Loma Margaret Kessell