Patents by Inventor Fraser William Whyte

Fraser William Whyte 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: 6472360
    Abstract: The invention provides liquid hard surface cleaning compositions comprising multiple partial compositions held separately from each other in a multiple compartment container which is provided with a non-spray dispensing system. One partial composition comprises a peroxygen bleach compound, preferaqbly hydrogen peroxide. The total composition comprises a multi-component thickening system of which the components are divided over the partial compositions in such a way that the total composition thickens on dispensing. Each partial composition has a pH at which the components in it are stable, while after mixting the total composition has a pH suitable for cleaning. The compositions preferably contain a quaternary imine salt bleach activator and a detergent surfactant. The number of partial compositions and of the compartments in the container is preferably 2.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: October 29, 2002
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventors: David Victor Beggs, Alexander Martin, Nicola Rogers, David William Thornthwaite, Joan Lesley Williams, Fraser William Whyte