Patents by Inventor Douglas Betts

Douglas Betts 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).

  • Skin care composition containing an anionic polymer
    Patent number: 7455848
    Abstract: A cosmetically acceptable composition for treating skin comprising about 0.1 to about 20 weight percent, based on polymer solids, of an anionic polymer composed of from about 10 to about 80 mole percent of 2-acrylamido-2-methyl-1-propanesulfonic acid or a base addition salt thereof and from about 90 to about 20 mole percent of one or more anionic or nonionic monomers.
    Type: Grant
    Filed: December 18, 2002
    Date of Patent: November 25, 2008
    Assignee: Nalco Company
    Inventors: Yin Z. Hessefort, Douglas Betts, Wayne M. Carlson, Loralei Brandt, Jennifer L. Smith
  • Composite membrane having hydrophilic properties and method of manufacture
    Publication number: 20060205301
    Abstract: A composite article, in an exemplary embodiment, includes a porous base membrane made from a first material having hydrophobic properties, and a coating layer formed on at least a portion of the porous membrane. The coating layer includes a crosslinked coating material, and has hydrophilic properties.
    Type: Application
    Filed: March 11, 2005
    Publication date: September 14, 2006
    Inventors: Robert Klare, James DeYoung, James McClain, Douglas Betts
  • Skin care composition containing an anionic polymer
    Publication number: 20050129653
    Abstract: A cosmetically acceptable composition for treating skin comprising about 0.1 to about 20 weight percent, based on polymer solids, of an anionic polymer composed of from about 10 to about 80 mole percent of 2-acrylamido-2-methyl-1-propanesulfonic acid or a base addition salt thereof and from about 90 to about 20 mole percent of one or more anionic or nonionic monomers.
    Type: Application
    Filed: December 18, 2002
    Publication date: June 16, 2005
    Inventors: Yin Hessefort, Douglas Betts, Wayne Carlson, Loralei Brandt, Jennifer Smith