Patents by Inventor Thalie Paulina De Graaf

Thalie Paulina De Graaf 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).

  • Antimicrobial agent
    Publication number: 20030190371
    Abstract: The present invention discloses a topical antimicrobial composition containing high surface area zinc oxide powder, said powder having a surface area between 30 m2/g and 100 m2/g and a particle size between 0.1 and 200 &mgr;m in diameter. The antimicrobial properties of the compositions make them suitable for treating acne, athletes foot, nappy rash and dandruff.
    Type: Application
    Filed: October 15, 2002
    Publication date: October 9, 2003
    Applicant: The Boots Company PLC
    Inventors: Thalie Paulina de Graaf, Kate Elizabeth Butcher, Edward Galley
  • Dental compositions
    Publication number: 20030185767
    Abstract: Dental compositions to inhibit the adherence and plaque and/or stains on teeth comprise one or more water-soluble block copolymers of polyoxyethylene/polyoxypropylene which have a structure with the polyoxypropylene block being sandwiched between two polyoxyethylene blocks together with an acidic poly-amino acid or an alkali metal salt thereof.
    Type: Application
    Filed: June 2, 2003
    Publication date: October 2, 2003
    Inventors: Terence Henry Lilley, Thalie Paulina De Graaf, Yue Hugh Guan