Patents Assigned to Lever Brothers Co., division of Conopco
  • Detergent composition containing at least two granular components
    Patent number: 6303558
    Abstract: A particulate detergent composition or component of high bulk density (at least 600 g/l), comprising at least 10% by weight of detergent surfactant and from 10 to 70% by weight of detergency builder, is composed of at least two, and preferably at least three, different granular components: (i) granules comprising at least 60% by weight of anionic surfactant, (ii) granules comprising at least 20% by weight of nonionic surfactant, and less than 10% by weight of aluminosilicate. (iii)optionally, granules comprising detergency builder.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: October 16, 2001
    Assignee: Lever Brothers Co., division of Conopco
    Inventors: William Derek Emery, Pauline Farnworth, Georgina Hawkes, Terry Instone, Seeng Djiang Liem, John Lloyd, Gilbert Martin Verschelling
  • Soap wrappers
    Patent number: 6242397
    Abstract: A bar of soap having, wrapped laterally of the bar, around at least a longitudinal extent of the bar, a stiffening member comprising a stiff sheet material having at least respective outer surfaces thereof each provided by a plastics material.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: June 5, 2001
    Assignee: Lever Brothers Co., division of Conopco, Inc.
    Inventors: Ronald John Milio, John Duncan Wagner
  • Detergent compositions
    Patent number: 5238594
    Abstract: A bleaching particulate detergent composition comprises one or more detergent-active compounds, one or more detergency builders including a specific alkali metal aluminosilicate, maximum aluminum zeolite P (zeolite MAP), and a bleach system comprising sodium percarbonate. Zeolite MAP has a beneficial effect on sodium percarbonate stability.
    Type: Grant
    Filed: June 24, 1992
    Date of Patent: August 24, 1993
    Assignee: Lever Brothers Co., Division of Conopco, Inc.
    Inventor: Andrew P. Chapple
  • Self hydrophobing silicone/hydrocarbon antifoam compositions
    Patent number: 5045225
    Abstract: An antifoam composition and laundry detergent formulation including it. The antifoam composition comprises a selected alkylaminosilicone, finely divided filler particles and a hydrocarbon carrier oil. Optional ingredients include oil/water surfactants and silicone oils. The alkylaminosilicone reduces the surface tension of the hydrocarbon oil and renders the formulation self-hydrophobing.
    Type: Grant
    Filed: December 18, 1989
    Date of Patent: September 3, 1991
    Assignee: Lever Brothers Co., division of Conopco Inc.
    Inventors: Michael P. Aronson, Samuel O. Lin, George A. Policello
  • Combined bottle and cap
    Patent number: D325167
    Type: Grant
    Filed: August 25, 1989
    Date of Patent: April 7, 1992
    Assignee: Lever Brothers Co., Division of Conopco, Inc.
    Inventor: Brian G. Humfress