Patents by Inventor John Robert Tate, deceased

John Robert Tate, deceased 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).

  • Inhibiting dye transfer in washing or bleaching
    Patent number: 4077768
    Abstract: A process for washing or bleaching textiles in which "dye transfer" is inhibited by the use of an oxidizing bleaching agent together with a catalytic compound, such as iron phorphins, haemin chloride or iron phthalocyanines. Compositions for use in this washing or bleaching process are also taught.
    Type: Grant
    Filed: June 17, 1976
    Date of Patent: March 7, 1978
    Assignee: The Procter & Gamble Company
    Inventors: James Pyott Johnston, John Robert Tate, deceased, by Sidney Alfred Tate, administrator