Patents by Inventor Hannah Mansfield

Hannah Mansfield 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).

  • Water soluble package and liquid contents thereof
    Patent number: 6451750
    Abstract: A water soluble package formed from a copolymeric polyvinyl alcohol film, wherein the comonomer comprises a carboxylate function, the package containing a substantially non-aqueous liquid composition which comprises: at least one ionic ingredient with an exchangeable hydrogen ion; and a molar excess (with respect to the amount of exchangeable hydrogen ions in the at least one ionic ingredient) of a stabilizing compound effective for combining with the exchangeable hydrogen ions to hinder the formation of lactones within the film, but can be as low as 95 mole % if the stabilizing compound comprises an inorganic base and/or ammonium hydroxide.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: September 17, 2002
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventors: Malcolm Hewitt, Hannah Mansfield, Jenny Wiggans
  • Water soluble package and liquid contents therof
    Publication number: 20020013243
    Abstract: A water soluble package formed from a copolymeric polyvinyl alcohol film, wherein the comonomer comprises a carboxylate function, the package containing a substantially non-aqueous liquid composition which comprises: at least one ionic ingredient with an exchangeable hydrogen ion; and a molar excess (with respect to the amount of exchangeable hydrogen ions in the at least one ionic ingredient) of a stabilizing compound effective for combining with the exchangeable hydrogen ions to hinder the formation of lactones within the film, but can be as low as 95 mole % if the stabilizing compound comprises an inorganic base and/or ammonium hydroxide.
    Type: Application
    Filed: April 12, 2001
    Publication date: January 31, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Malcolm Hewitt, Hannah Mansfield, Jenny Wiggans
  • Water soluble package of liquid cleaning composition
    Publication number: 20010053754
    Abstract: A water soluble package in the form of a horizontal form-fill-seal envelope formed from a plastics film, the package containing a substantially non-aqueous liquid detergent composition having a viscosity of from 25 to 10,000 mPaS.
    Type: Application
    Filed: April 12, 2001
    Publication date: December 20, 2001
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Malcolm Hewitt, Hannah Mansfield, Neeraj Gupta, James Dawson Cropper