Patents by Inventor Robert Walter Boswell

Robert Walter Boswell 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).

  • Pro-perfume compositions
    Publication number: 20030073607
    Abstract: Disclosed herein are pro-perfume compositions comprising the reaction product of a primary and/or secondary amine compound with a combination of a perfume ketone component and a high molecular weight, high boiling point perfume aldehyde component. Pro-perfumes made from this selected type of reaction product provide a multi-odor benefit to surfaces contacted therewith. Such pro-perfumes are also especially easy to suspend in liquid detergent products.
    Type: Application
    Filed: May 9, 2002
    Publication date: April 17, 2003
    Applicant: The Procter & Gamble Company
    Inventors: Johan Smets, Rafael Trujillo, Abdennaceur Fredj, Daniel Jerome White, Robert Walter Boswell, Gordon Ridley
  • Aqueous, gel laundry detergent composition
    Patent number: 6506716
    Abstract: The present invention relates to stable, aqueous heavy duty gel laundry detergent compositions comprising anionic surfactants, fatty acids, and detersive amines. The anionic surfactant component comprises alkyl ethoxylated sulfates and fatty acids.
    Type: Grant
    Filed: January 19, 2000
    Date of Patent: January 14, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Patrick Firmin August Delplancke, Francesco de Buzzaccarini, Abdennaceur Fredj, Pramod Kakumanu Reddy, Robert Walter Boswell, Eugene Steven Sadlowski
  • Laundry detergent compositions containing lipolytic enzyme and amines
    Patent number: 5935271
    Abstract: The present invention relates to laundry detergent compositions containing a lipolytic enzyme (lipase) and specially selected primary and/or tertiary amines. The compositions provide enhanced cleaning of grease/oil soils and stains, particularly when used in a pre-treat laundering process for cleaning fabrics stained with grease/oil soils.
    Type: Grant
    Filed: August 11, 1997
    Date of Patent: August 10, 1999
    Assignee: Procter & Gamble Company
    Inventors: Dimitris Lappas, Rajan Keshav Panandiker, Thomas Wilhelm Horner, Robert Walter Boswell