Patents by Inventor Philippus Cornelis van der Hoeven

Philippus Cornelis van der Hoeven 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).

  • Method of laundry washing
    Patent number: 7479165
    Abstract: The invention provides a method of washing a laundry fabric in a wash liquor in a washing machine, the wash liquor containing surfactant material, wherein during a single wash cycle no more than 10% by weight of the wash liquor is drained from the washing machine, wherein the concentration of the surfactant material in the wash liquor is substantially constant during the wash cycle, and wherein the method comprises the step of changing the ionic strength of the wash liquor by addition of one or more ionic ingredients thereto during the wash cycle.
    Type: Grant
    Filed: December 9, 2004
    Date of Patent: January 20, 2009
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Paul Johan Birker, Philippus Cornelis Van Der Hoeven, Cornelis Gerhard Van Kralingen, Pieter Broer Van Der Weg
  • Detergent compositions
    Publication number: 20040180805
    Abstract: A detergent composition comprising from 0.01% to 99.9% by weight of an aromaticalkyl sulphonic surfactant, the balance being one or more other ingredients.
    Type: Application
    Filed: January 23, 2004
    Publication date: September 16, 2004
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Raquel Beatriz Barchini, Philippus Cornelis van der Hoeven, Willem Bernard Stanislaus van Liemt
  • Detergent compositions
    Patent number: 6716807
    Abstract: A detergent composition comprising: (a) more than 10 wt % of a calcium-tolerant non-soap anionic surfactant system; (b) from 0.1% to 10%, preferably from 0.5% to 10%, more preferably from 1% to 10% by weight of a strong builder system selected from phosphate builders and aluminosilicate builders and mixtures thereof; and (c) the balance, if any, being other detergent ingredients wherein said composition comprises less than 35 wt %, preferably less than 25 wt %, more preferably less than 15 wt % of non-functional non-alkaline water soluble inorganic salt.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: April 6, 2004
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventors: Philippus Cornelis Van der Hoeven, Kenneth Metcalfe
  • Detergent compositions
    Publication number: 20030130154
    Abstract: A water soluble package formed from a water soluble film containing a substantially non-aqueous liquid composition comprising at least one surfactant selected from those of formula (I): 1
    Type: Application
    Filed: December 27, 2002
    Publication date: July 10, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Philippus Cornelis Van Der Hoeven, Harriet Frederique Hommes
  • Laundry wash compositions
    Patent number: 6573229
    Abstract: The present invention relates to compositions for the washing of laundry fabrics, the compositions containing anionic surfactants and a cationic detergency enhancing polymer which may be homopolymer or copolymer.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: June 3, 2003
    Assignee: Unilever Home & Personal Care USA division of Conopco Inc.
    Inventors: Andrew Martin Creeth, Philippus Cornelis Van Der Hoeven, Edwin John Staples
  • Detergent compositions
    Publication number: 20030045440
    Abstract: A detergent composition comprising:
    Type: Application
    Filed: December 19, 2001
    Publication date: March 6, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Philippus Cornelis Van der Hoeven, Kenneth Metcalfe
  • Enhancement of air bleaching catalysts
    Patent number: 6518231
    Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with atmospheric oxygen or air in the presence of an air bleaching facilitator.
    Type: Grant
    Filed: December 11, 2001
    Date of Patent: February 11, 2003
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Rene Appel, Ronald Hage, Philippus Cornelis van der Hoeven, Joachim Lienke, Richard George Smith
  • Laundry wash compositions
    Publication number: 20030017963
    Abstract: A laundry washing composition comprises:
    Type: Application
    Filed: August 1, 2002
    Publication date: January 23, 2003
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Andrew Martin Creeth, Philippus Cornelis Van Der Hoeven, Edwin John Staples
  • Enhancement of air bleaching catalysts
    Publication number: 20020169096
    Abstract: The invention relates to catalytically bleaching substrates, especially laundry fabrics, with atmospheric oxygen or air in the presence of an air bleaching facilitator.
    Type: Application
    Filed: December 11, 2001
    Publication date: November 14, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Rene Appel, Ronald Hage, Philippus Cornelis van der Hoeven, Joachim Lienke, Richard George Smith
  • Laundry wash compositions
    Publication number: 20020045558
    Abstract: A laundry washing composition comprises:
    Type: Application
    Filed: April 12, 2001
    Publication date: April 18, 2002
    Applicant: Unilever Home & Personal Care USA, Division of conopco, Inc.
    Inventors: Andrew Martin Creeth, Philippus Cornelis Van Der Hoeven, Edwin John Staples
  • Laundry wash compositions
    Publication number: 20020010124
    Abstract: A laundry washing composition comprises:
    Type: Application
    Filed: April 12, 2001
    Publication date: January 24, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Andrew Martin Creeth, Philippus Cornelis Van Der Hoeven, Edwin John Staples
  • Liquid detergent compositions and process for their preparation
    Patent number: 6090372
    Abstract: An aqueous liquid detergent composition is substantially transparent in the absence of opacifier contains a sunscreen together less than 5 wt. % of detergency builder and/or comprises a water-miscible polar organic solvent. The solvent and fluorescer or ultraviolet absorbing agent are mixed together as a premix prior to incorporation in the composition as a whole.
    Type: Grant
    Filed: July 1, 1998
    Date of Patent: July 18, 2000
    Assignee: Lever Brothers Company, division of Conopco, Inc.
    Inventors: Timothy David Finch, Philippus Cornelis van der Hoeven, David Alan Reed, Helena Maria de Roo, Jonathan Frank Warr