Patents by Inventor Philip N. Allaway

Philip N. Allaway 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).

  • Spray-dried aluminosilicate detergents containing silicate and metaborate
    Patent number: 4344871
    Abstract: Detergent compositions containing water-insoluble aluminosilicate ion exchange materials, organic surface active agents, sodium silicate having an SiO.sub.2 :alkali metal oxide weight ratio of from about 0.8:1 to 2.3:1, and an alkali metal metaborate. The compositions are produced by drying an aqueous slurry. The resulting compositions are effective laundry detergent in the form of crisp, free-flowing granules which are highly soluble when made and which maintain their solubility on aging.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: August 17, 1982
    Assignee: The Procter & Gamble Company
    Inventors: Philip N. Allaway, Richard M. Baginski, Don K. K. Liu, Theodore M. Teixeira