Patents by Inventor Christopher James Booth

Christopher James Booth 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).

  • Additives
    Publication number: 20080312472
    Abstract: Para-alkylated diphenylamine antioxidants are made by catalytically alkylating diphenylamine with an alkylating agent in the form of a mixture of branched-chain oligomers of butene, the alkylating agent having an average molecular weight in the range of 140 to 300 and a methylvinylidene isomer content of no greater than 10%.
    Type: Application
    Filed: June 14, 2007
    Publication date: December 18, 2008
    Inventors: Stephen Arrowsmith, Christopher James Booth, Aubrey L. Burrows, Paul Wilson, Ronald P. Wangner
  • Benzofuran compounds
    Publication number: 20030105343
    Abstract: There is disclosed a method of preparing a branched benzofuran compound comprising a core moiety which contains at least one aromatic ring and which has at least three substituted or unsubstituted benzofuran groups covalently linked thereto.
    Type: Application
    Filed: September 25, 2002
    Publication date: June 5, 2003
    Inventors: Peter Neil Taylor, Sally Anderson, Christopher James Booth, Geraldine Laura Ballantyne Verschoor