Patents by Inventor Eriko Kawasaki

Eriko Kawasaki 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).

  • Mid-chain branched surfactants with cellulose derivatives
    Patent number: 6242406
    Abstract: Mid-chain branched surfactants derived from mid-chain branched primary alkyl hydrophobic groups and hydrophilic groups. The present invention also relates to mixtures of mid-chain branched surfactants useful in laundry and cleaning compositions, especially granular and liquid detergent compositions.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: June 5, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Rinko Katsuda, Eriko Kawasaki, Susumu Murata