Patents by Inventor Ian D. Tolliday

Ian D. Tolliday 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).

  • Laundry additive product
    Patent number: 4248928
    Abstract: Additive products for use in the washing of textiles are provided comprising an organic peroxy bleach precursor on a non particulate solid substrate that can be added to conventional inorganic persalt containing detergent liquors to enhance their bleaching performance particularly at temperatures of 70.degree. C. and below.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: February 3, 1981
    Assignee: The Procter & Gamble Company
    Inventors: Gianfranco L. Spadini, Ian D. Tolliday
  • Laundry additive product
    Patent number: 4220562
    Abstract: Additive products are provided for use in the washing of textiles comprising a mixture of an organic peroxy bleach precursor, a cationic surfactant and an alkoxylated nonionic surfactant of HLB 8-17 in water releasable combination with a non-particulate substrate, the additive products being adapted for addition to conventional inorganic persalt-containing detergent liquors to enhance the removal of bleachable and greasy stains.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: September 2, 1980
    Assignee: The Procter & Gamble Company
    Inventors: Gianfranco L. Spadini, Ian D. Tolliday, Allan C. McRitchie
  • Laundry additive product
    Patent number: 4179390
    Abstract: Additive products for use in the washing of textiles are provided comprising an organic peroxy bleach precursor on a non particulate solid substrate that can be added to conventional inorganic persalt containing detergent liquors to enhance their bleaching performance particularly at temperatures of 70.degree. C. and below.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: December 18, 1979
    Assignee: The Procter & Gamble Company
    Inventors: Gianfranco L. Spadini, Ian D. Tolliday