Patents by Inventor Tom Candy

Tom Candy 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).

  • Coated sodium percarbonate particles, process for their preparation, their use in detergent compositions and detergent compositions containing them
    Patent number: 6521583
    Abstract: Coated sodium percarbonate particles are provided which contain a sodium percarbonate core, and a coating layer substantially free from sulate, borate and magnesium compounds, having at least 30 and at most 75% w/w of an alkali metal carbonate and at least 25 and at most 70% w/w of an alkali metal silicate. The alkali metal carbonate and silicate being uniformly dispersed in the coating layer. Also provided is a process for the preparation of the coated sodium percarbonate particles and their use in detergent compositions.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: February 18, 2003
    Assignee: Solvay (Societe Anonyme)
    Inventors: Alun P. James, Graham R. Horne, Tom Candy, Richard Rösler, Manfred Mathes