Patents by Inventor Enid Margaret Ellis

Enid Margaret Ellis 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).

  • Thickened peracid compositions
    Patent number: 5962392
    Abstract: Thickened aqueous compositions comprising soluble peracids, particularly peracetic acid are provided. The compositions are thickened by the use of one or more aliphatic alcohol ethoxylates having the general formula: R.sup.1 R.sup.2 CH--(OCH.sub.2 CH.sub.2).sub.n --OH in which R.sup.1 and R.sup.2 are each either hydrogen or linear or branched alkyl such that R.sup.1 plus R.sup.2 has a total of from 7 to 22 carbon atoms, and n is selected in the range of 1 to 15, such that the number ratio of carbon atoms in R.sup.1 plus R.sup.2 :n is greater than or equal to 3:1; and a co-surfactant selected from the group consisting of anionic surfactants, amine oxides, amphoteric surfactants and quaternary ammonium compounds.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: October 5, 1999
    Assignee: Solvay Interox Limited
    Inventors: Christopher Revell, Enid Margaret Ellis