Patents by Inventor Robert C. Hoare

Robert C. Hoare 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).

  • Anthraquinone dyes
    Patent number: 4051155
    Abstract: Anthraquinone compounds having the formula: ##STR1## wherein R is alkylene of 1 to 4 carbon atoms, exhibit attractive blue shades and are useful in dyeing textiles.
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: September 27, 1977
    Assignee: Allied Chemical Corporation
    Inventor: Robert C. Hoare