Patents by Inventor John G. Sayce

John G. Sayce 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: 3969280
    Abstract: An improved air freshener gel which is substantially syneresis-free comprising in an aqueous system from 0.5-10% by weight of CMC, 0.01-10% by weight perfume, a source of trivalent cations selected from chromic ion, aluminum ion or mixtures sufficient to produce a weight ratio of CMC to effective weight of trivalent cation of 1:0.01 to 1:0.1 and water.
    Type: Grant
    Filed: April 3, 1975
    Date of Patent: July 13, 1976
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: John G. Sayce, David J. Brown