Patents by Inventor Grahame L. Stanley

Grahame L. Stanley 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).

  • Stabilization of sulphur
    Patent number: 4234552
    Abstract: Sulphur is stabilized in a form wholly or partially insoluble in carbon disulphide by incorporating therewith a dixanthogen of the formula ##STR1## wherein R and R.sup.1 are each independently an alkyl, cycloalkyl, aralkyl or aryl group and may be substituted by halogen or alkoxy and n is 2 or 4. The insoluble sulphur can for example be plastic sulphur or white sulphur or substantially wholly insoluble sulphur derived therefrom. The sulphur is particularly useful in the vulcanization of rubber.
    Type: Grant
    Filed: September 28, 1979
    Date of Patent: November 18, 1980
    Assignee: Courtaulds Limited
    Inventor: Grahame L. Stanley