Patents by Inventor Colleen J. Spurgeon

Colleen J. Spurgeon 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: 4695394
    Abstract: The present invention discloses various embodiments and examples of a thickened aqueous abrasive cleanser capable of maintaining a smoothly flowable or plastic consistency over long periods of time. The cleanser is characterized by the ability to stably suspend abrasives while exhibiting excellent shelf stability over long periods of time with substantially no syneresis and being suitable for use where environmental requirements prevent the use of phosphates. This cleaner has the following ingredients:(a) a colloidal alumina thickener having an average particle size, in dispersion, of no more than about one micron;(b) an electrolyte/buffer;(c) a surfactant system including two surfactant components, one surfactant component comprising a fatty acid anionic surfactant, the other surfactant component comprising a selected bleach-stable surfactant or mixed surfactant;(d) a bleach; and(e) a particulate abrasive having an average particle size of about one to as much as 400 microns to provide scouring action.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: September 22, 1987
    Assignee: The Clorox Company
    Inventors: Clement K. Choy, Frederick I. Keen, Aram Garabedian, Colleen J. Spurgeon