Patents by Inventor Ayako Muramatsu

Ayako Muramatsu 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).

  • Detergent compositions comprising polyamine polymers with improved soil dispersancy
    Patent number: 6066612
    Abstract: The present invention encompasses detergent compositions comprising polymeric polycarboxylates and polyamine soil release agents. The composition has improved soil dispersancy properties, especially for polar soils.
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: May 23, 2000
    Assignee: The Procter & Gamble Company
    Inventors: Susumu Murata, Kenji Shindo, Ayako Muramatsu
  • Method for predissolving detergent compositions
    Patent number: 5853430
    Abstract: The present invention is directed to a method for predissolving a detergent composition having the steps of providing a hand-held container; and combining a detergent composition and a solvent in the container to form a concentrated detergent solution. The concentrated detergent solution preferably has a surface tension value of from about 10 to about 50 dyne/cm.
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: December 29, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Kenji Shindo, Ayako Muramatsu, Susumu Murata, Nabil Yaqub Sakkab, Harry Leroy Coleman, Jr.