Patents by Inventor Mary Ruth Leyendecker

Mary Ruth Leyendecker 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: 7056879
    Abstract: Laundry product compositions containing a stable mixture of at least one water insoluble fabric care benefit agent and at least one delivery enhancing agent that is preferably a silicone derivative. Detergent laundry product compositions containing from about 1% to about 80%, by weight of the composition, of a detersive surfactant that is an anionic surfactant, cationic surfactant, nonionic surfactant, amphoteric surfactant, zwitterionic surfactant, or a mixture thereof; from about 0.1% to about 10%, by weight of the composition, of a water insoluble fabric care benefit agent; from about 0.01% to about 5%, by weight of the composition, of a delivery enhancing agent; and wherein the ratio of the delivery enhancing agent to the fabric care benefit agent is from about 1:50 to about 1:1.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: June 6, 2006
    Assignee: The Procter & Gamble Company
    Inventors: Jiping Wang, Rajan Keshav Panandiker, Paul Francis Kindel, Mary Ruth Leyendecker
  • Patent number: 7056880
    Abstract: Laundry product compositions containing a stable mixture of at least one water insoluble fabric care benefit agent and at least one delivery enhancing agent that is preferably a dispersible polyolefin, polymer latex, or mixture thereof. Detergent laundry product compositions containing from about 1% to about 80%, by weight of the composition, of a detersive surfactant that is an anionic surfactant, cationic surfactant, nonionic surfactant, amphoteric surfactant, zwitterionic surfactant, or a mixture thereof; from about 0.1% to about 10%, by weight of the composition, of a water insoluble fabric care benefit agent; from about 0.01% to about 5%, by weight of the composition, of a delivery enhancing agent; and wherein the ratio of the delivery enhancing agent to the fabric care benefit agent is from about 1:50 to about 1:1.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: June 6, 2006
    Assignee: The Procter & Gamble Company
    Inventors: Jiping Wang, Rajan Keshav Panandiker, Paul Francis Kindel, Mary Ruth Leyendecker
  • Patent number: 6767880
    Abstract: A process for improving aesthetics of a liquid dishwashing detergent product is disclosed. The process includes the steps of providing a liquid dishwashing detergent composition and adding solid particles to the liquid dishwashing detergent composition. The particles are coated with a polymeric coating. The coating is prepared from materials which are insoluble in the liquid dishwashing detergent composition but soluble in dishwashing wash solution.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: July 27, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Peter Robert Foley, Brian Xiaoqing Song, Mary Ruth Leyendecker, Eugene Steven Sadlowski, Jeffrey Donald Painter, Joseph Herbert Thien
  • Publication number: 20040121930
    Abstract: Laundry product compositions containing a stable mixture of at least one water insoluble fabric care benefit agent and at least one delivery enhancing agent that is preferably a dispersible polyolefin, polymer latex, or mixture thereof. Detergent laundry product compositions containing from about 1% to about 80%, by weight of the composition, of a detersive surfactant that is an anionic surfactant, cationic surfactant, nonionic surfactant, amphoteric surfactant, zwitterionic surfactant, or a mixture thereof; from about 0.1% to about 10%, by weight of the composition, of a water insoluble fabric care benefit agent; from about 0.01% to about 5%, by weight of the composition, of a delivery enhancing agent; and wherein the ratio of the delivery enhancing agent to the fabric care benefit agent is from about 1:50 to about 1:1.
    Type: Application
    Filed: September 9, 2003
    Publication date: June 24, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Jiping Wang, Rajan Keshav Panandiker, Paul Francis Kindel, Mary Ruth Leyendecker
  • Publication number: 20040121929
    Abstract: Laundry product compositions containing a stable mixture of at least one water insoluble fabric care benefit agent and at least one delivery enhancing agent that is preferably a silicone derivative. Detergent laundry product compositions containing from about 1% to about 80%, by weight of the composition, of a detersive surfactant that is an anionic surfactant, cationic surfactant, nonionic surfactant, amphoteric surfactant, zwitterionic surfactant, or a mixture thereof; from about 0.1% to about 10%, by weight of the composition, of a water insoluble fabric care benefit agent; from about 0.01% to about 5%, by weight of the composition, of a delivery enhancing agent; and wherein the ratio of the delivery enhancing agent to the fabric care benefit agent is from about 1:50 to about 1:1.
    Type: Application
    Filed: September 9, 2003
    Publication date: June 24, 2004
    Applicant: The Procter & Gamble Company
    Inventors: Jiping Wang, Rajan Keshav Panandiker, Paul Francis Kindel, Mary Ruth Leyendecker
  • Patent number: 6730652
    Abstract: A process for forming a non-staining colored composite particle suitable for incorporation in a bleach-containing or a non-bleach-containing liquid detergent composition is disclosed. The process includes the steps of forming a colored liquid dispersion of pigment particles in a first liquid medium wherein the size of the pigment particles in the colored liquid dispersion is no greater than about 5 &mgr;m. The process includes the step of mixing the colored liquid dispersion with a polymeric material and a second liquid medium to form a sprayable colored polymeric material. The process also includes the step of spraying the colored polymeric material on a composite particle and forming a colored polymeric coating on the composite particle. A non-staining colored particle and a liquid ADW detergent composition are also disclosed.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: May 4, 2004
    Assignee: The Procter & Gamble Company
    Inventors: Jeffrey Donald Painter, Joseph Herbert Thien, Peter Robert Foley, Brian Xiaoqing Song, Mary Ruth Leyendecker, Eugene Steven Sadlowski
  • Patent number: 6656898
    Abstract: A detersive enzyme composite particle suitable for incorporation in a liquid detergent composition is disclosed. The enzyme composite particle includes an enzyme containing core material, an acidic barrier layer coated on the enzyme containing core material, and a physical barrier layer coated on the acidic barrier layer.
    Type: Grant
    Filed: September 24, 2001
    Date of Patent: December 2, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Peter Robert Foley, Jeffrey Donald Painter, Mary Ruth Leyendecker, Eugene Steven Sadlowski, Brian Xiaoqing Song, Joseph Herbert Thien
  • Patent number: D523334
    Type: Grant
    Filed: March 1, 2004
    Date of Patent: June 20, 2006
    Assignee: The Procter & Gamble Company
    Inventors: Kristi Marie Cetti, Mary Ruth Leyendecker