Patents by Inventor Bennett George Buell

Bennett George Buell 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).

  • Cationic alpha-cyano-p-dimethylaminocinnamoyl dyes and paper dyed therewith
    Patent number: 4017486
    Abstract: Cationic dyes for paper having the formula: ##STR1## wherein R is selected from hydrogen and methyl, X is selected from 0 and NH, n is 2 or 3, and Y.sup.- is an anion selected from halide and methosulfate, have improved storage stability in aqueous acid solutions.
    Type: Grant
    Filed: May 18, 1976
    Date of Patent: April 12, 1977
    Assignee: American Cyanamid Company
    Inventors: Bennett George Buell, Frank Fred Loffelman