Patents by Inventor Martin D. Barratt

Martin D. Barratt 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 treatment composition
    Patent number: 4612331
    Abstract: A cosmetically acceptable composition for topical application to human skin comprises from 0.1 to 20% by weight of a substituted 2-hydroxyoctanoic acid or 2-ketooctanoic acid or a mixture thereof, together with an amount of a special neutralizing agent sufficient to adjust the pH of the composition to a value of from 3 to 7. The special neutralizing agent is one having a cation whose ionic radius is at least 100 pm.
    Type: Grant
    Filed: January 4, 1985
    Date of Patent: September 16, 1986
    Assignee: Lever Brothers Company
    Inventors: Martin D. Barratt, Paul A. Bowser, James A. Durrant, Dieno George, Keith J. Hall, John C. Hill, Michael R. Lowry, Colin Prottey
  • Skin treatment composition
    Patent number: 4507319
    Abstract: A cosmetically acceptable composition for topical application to human skin comprises from 0.1 to 20% by weight of a substituted 2-hydroxyoctanoic acid or 2-ketooctanoic acid or a mixture thereof, together with an amount of a special neutralizing agent sufficient to adjust the pH of the composition to a value of from 3 to 7. The special neutralizing agent is one having a cation whose ionic radius is at least 100 pm.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: March 26, 1985
    Assignee: Lever Brothers Company
    Inventors: Martin D. Barratt, Paul A. Bowser, James A. Durrant, Dieno George, Keith J. Hall, John C. Hill, Michael R. Lowry, Colin Prottey
  • Skin treatment compositions
    Patent number: 4424234
    Abstract: A cosmetically acceptable aqueous composition for topical application to human skin to provide skin benefit comprises an hydroxylated C.sub.6 to C.sub.10 carboxylic acid and a cosmetically acceptable vehicle other than water.
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: January 3, 1984
    Assignee: Lever Brothers Company
    Inventors: Susan G. Alderson, Martin D. Barratt, John G. Black