Patents by Inventor Eleni Papadimitriou

Eleni Papadimitriou 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: 5910472
    Abstract: A liquid personal cleansing composition comprising: (a) from about 5% to about 60% by weight of water-soluble surfactant selected from anionic, nonionic and amphoteric surfactants and mixtures thereof; and (b) from about 0.01% to about 10% by weight of a hydrophobically modified nonionic cellulose ether selected from C.sub.14 -C.sub.18 alkyl and alkenyl modified, hydroxyethyl cellulose ethers having a degree of nonionic substitution in the range of from about 2.2 to about 2.8 and a degree of hydrophobic substitution in the range of from about 0.4% to about 0.6% by weight; and (c) water, and wherein the composition displays a shear stress of about 150 Pa at a shear rate in the range from about 400 s.sup.-1 to about 600 s.sup.-1 at 25.degree. C. The products demonstrate excellent in-use efficacy benefits including mildness, a moisturised skin feel, good rinsibility and good product stability.
    Type: Grant
    Filed: June 2, 1997
    Date of Patent: June 8, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Russell Phillip Elliott, Matthew Thomas Green, Christopher David Leahy, Eleni Papadimitriou
  • Patent number: 5905062
    Abstract: A liquid personal cleansing composition comprising: a) from about 5% to about 60% by weight of water-soluble surfactant selected from anionic, nonionic and amphoteric surfactants and mixtures thereof; b) from about 0.01% to about 10% by weight of a hydrophobically modified nonionic cellulose ether selected from C.sub.10 -C.sub.24 alkyl and alkenyl modified methyl, hydroxyethyl and hydroxypropyl cellulose ethers having a degree of nonionic substitution in the range of from about 1.8 to about 4 and a degree of hydrophobic substitution in the range of from about 0.1% to about 1% by weight; c) from about 0% to about 10% by weight of a water-soluble polyol; d) from about 0.01% to about 5% by weight of cationic polymeric skin conditioning agent; and e) water, and wherein the composition displays a shear stress of about 150 Pa at a shear rate in the range from about 100 s.sup.-1 to about 600 s.sup.-1 at 25.degree. C.
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: May 18, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Russell Phillip Elliott, Matthew Thomas Green, Christopher David Leahy, Eleni Papadimitriou