Patents by Inventor Hugh Thomas

Hugh Thomas 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).

  • Publication number: 20020165115
    Abstract: Alcohol ethoxylate surfactants particularly useful in detergents are combinations of formulae:
    Type: Application
    Filed: April 19, 2002
    Publication date: November 7, 2002
    Inventors: Judith Daniels, Hugh Thomas
  • Patent number: 4701268
    Abstract: A fabric softening composition of high active component content consists of a blend of an alkoxylated organic amide derivative (A) and a quaternary ammonium compound (B), the weight ratio of (A) to (B) in the composition being in the range 90:10 to 40:60. Component A comprises a derivative of general formula: ##STR1## where R.sub.1 comprises a long chain alkyl group containing 8 to 24, preferably 12 to 20, more preferably 13 to 17 carbon atoms;R.sub.2 and R.sub.3, which may be the same or different, comprise hydrogen or an alkyl group containing 1 to 10, preferably 1 to 6, carbon atoms and more preferably are both methyl;R.sub.4 comprises a long chain alkyl group containing 8 to 24, preferably 11 to 21, more preferably 15 to 17 carbon atoms;AO comprises an alkylene oxide or mixed alkylene oxide, for example ethylene oxide, propylene oxide, and n is in the range 1 to to 10, preferably in the range 1 to 6 and more preferably is 1; andX is an anion.
    Type: Grant
    Filed: June 10, 1985
    Date of Patent: October 20, 1987
    Assignee: Imperial Chemical Industries PLC
    Inventors: Charles R. Nelson, Hugh Thomas