Patents by Inventor Stephanie Lin-Lin Sung

Stephanie Lin-Lin Sung 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: 5932253
    Abstract: The present invention relates to compositions and processes which incorporate water-soluble polymers, other than enzymes, containing .dbd.N--C(.dbd.O)-- (including PVP) and/or N-oxide groups into the wash, rinse, and/or drying cycle of a laundering process (e.g., via fabric softening compositions) for dye transfer inhibition in the subsequent wash cycle. Multiple wash cycles optimize the dye transfer inhibitor performance of these polymers, remove unwanted dye discoloration caused by dye transfer, and provide soil antiredeposition benefits.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: August 3, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Stephanie Lin-Lin Sung, Helen Bernardo Tordil, Paul Arthur Wendland
  • Patent number: 5804219
    Abstract: The present invention relates to compositions and processes which incorporate water-soluble polymers, other than enzymes, containing .dbd.N--C(.dbd.O)-- (including PVP) and/or N-oxide groups into the wash, rinse, and/or drying cycle of a laundering process (e.g., via fabric softening compositions) for dye transfer inhibition in the subsequent wash cycle. Multiple wash cycles optimize the dye transfer inhibitor performance of these polymers, remove unwanted dye discoloration caused by dye transfer, and provide soil antiredeposition benefits.
    Type: Grant
    Filed: March 10, 1994
    Date of Patent: September 8, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Stephanie Lin-Lin Sung, Helen Bernardo Tordil, Paul Arthur Wendland
  • Patent number: 5767062
    Abstract: The present invention relates to compositions and processes which incorporate water-soluble polymers, other than enzymes, containing .dbd.N--C(.dbd.O)-- (including PVP) and/or N-oxide groups into the wash, rinse, and/or drying cycle of a laundering process (e.g., via fabric softening compositions) for dye transfer inhibition in the subsequent wash cycle. Multiple wash cycles optimize the dye transfer inhibitor performance of these polymers, remove unwanted dye discoloration caused by dye transfer, and provide soil antiredeposition benefits.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: June 16, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Stephanie Lin-Lin Sung, Helen Bernardo Tordil, Paul Arthur Wendland
  • Patent number: 5578234
    Abstract: The present invention relates to dryer-activated fabric softening compositions and articles, having improved antistatic and/or softening effects, for use in an automatic clothes dryer, especially those comprising, as essential ingredients: (A) fabric softener consisting essentially of: (1) from about 5% to about 95% of preferably biodegradable quaternary ammonium compound selected from the group consisting of the compounds of Formulas I, II, III, and mixtures thereof; (2) from 0% to about 95% highly ethoxylated and/or propoxylated, preferably at least 5 ethylene oxide (EO) and/or propylene oxide (PO) groups per molecule, sugar derivative containing at least one long hydrophobic moiety per molecule; and (3) from 0% to about 95% of carboxylic acid salt of tertiary amine; and (B) from about 1% to about 15%, unsaturated fatty acid having an IV of from about 3 to about 60. The amount of (A) present is at least sufficient to provide softening and/or antistatic effects.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: November 26, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Alessandro Corona, III, Clyde D. Palmer, John R. Rusche, Stephanie Lin-Lin Sung