Patents by Inventor Leanne Bolton

Leanne Bolton 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).

  • Patent number: 6984618
    Abstract: The present invention relates to a softening-through-the-wash composition comprising: (i) a fabric-softening cationic quaternary ammonium di-ester compound comprising a cationic quaternary ammonium component having the formula: wherein, each R is independently selected from C12–C22 alkyl groups; and (ii) a source of acid selected from the group consisting of C12–C22 fatty acids, mono-alkyl esters of a C12-C22 alkyl sulphuric acids, C11–C13 alkyl benzene sulphonic acids, anionic derivatives thereof, salts thereof, and combinations thereof; and (iii) clay; and (iv) one or more adjunct components.
    Type: Grant
    Filed: December 5, 2002
    Date of Patent: January 10, 2006
    Assignee: The Procter & Gamble Company
    Inventors: Stephen Wayne Heinzman, Nathalie Sophie Letzelter, Fiona Susan Williams, Leanne Bolton
  • Publication number: 20030130152
    Abstract: The present invention relates to a softening-through-the-wash composition comprising:
    Type: Application
    Filed: December 5, 2002
    Publication date: July 10, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Stephen Wayne Heinzman, Nathalie Sophie Letzelter, Fiona Susan Williams, Leanne Bolton