Patents by Inventor John R. Walker

John R. Walker 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: 4446035
    Abstract: Compositions of matter useful in the manufacture of superior cleaning and fabric treating compositions, bleaches, and the like, comprise amino-silane compounds in combination with ingredients such as cationic fabric softeners, or detersive surfactants, or bleach or the like.Such compositions are especially useful in aqueous fabric laundering baths and in combined fabric drying/softening operations since the amino-silane provides a protective effect to the surface of the washing machine or dryer. The compositions are also useful in the formulation of porcelain-safe toilet cleaners, machine- and hand-dishwashing compositions that protect fine chinaware, and for similar uses wherein silicate or metal surfaces come in contact with harsh chemicals, especially in the presence of hot water.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: May 1, 1984
    Assignee: The Procter & Gamble Company
    Inventors: Christian R. Barrat, John R. Walker, Jean Wevers
  • Patent number: 4446033
    Abstract: Fabric conditioning compositions containing an active component and liquid or solid diluents and furthermore a low level of amino-silane components are disclosed. Preferred executions highlight fabric softener compositions, particularly liquid rinse softener compositions. The amino-silanes provide enhanced washing machine compatibility especially in relation to enamel-coated surfaces.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: May 1, 1984
    Assignee: The Procter & Gamble Company
    Inventors: Christian R. Barrat, John R. Walker, Jean Wevers
  • Patent number: 4416794
    Abstract: A liquid rinse aid for use in automatic dishwashing machines comprises a low foaming ethoxylated nonionic surfactant, an organic chelating agent, a hydrotrope-water solubilizing system and 0.05-10%, by weight of the rinse aid, of an amino-silane.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: November 22, 1983
    Assignee: The Procter & Gamble Company
    Inventors: Christian R. Barrat, John R. Walker, Jean Wevers
  • Patent number: 4416793
    Abstract: Neutral to alkaline liquid detergent compositions containing organic surface-active agents, optionally detergent builders, and additive levels of particular amino-silanes are disclosed. These compositions provide outstanding washing machine compatibility, particularly if the detergent is used in conjunction with enamel-coated surfaces.
    Type: Grant
    Filed: September 22, 1982
    Date of Patent: November 22, 1983
    Assignee: The Procter & Gamble Company
    Inventors: Christian R. Barrat, John R. Walker, Jean Wevers