Patents Assigned to Unilever Home
  • Water-softening and detergent compositions
    Patent number: 6153574
    Abstract: The speed of disintegration of tablets containing a water-softening agent, especially water-insoluble, water-softening agent intended as detergency builder for fabric washing is enhanced by incorporating spray-dried partially hydrated sodium acetate alone or jointly with sodium citrate dihydrate and/or crystallized sodium acetate trihydrate.
    Type: Grant
    Filed: October 7, 1999
    Date of Patent: November 28, 2000
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventor: Roger Joseph Anna Janssen
  • Liquid composition with enhanced low temperature stability comprising sodium tricedeth sulfate
    Patent number: 6150312
    Abstract: The invention relates to liquid cleansing compositions in lamellar phase. Use of specific anionic surfactant has been found to enhance both initial viscosity and freeze thaw (low temperature) viscosity/stability.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: November 21, 2000
    Assignee: Unilever Home & Personal Care USA, a division of Conopco, Inc.
    Inventors: Sudhakar Puvvada, Shuman Mitra
  • Bleach and oxidation catalyst
    Patent number: 6140294
    Abstract: A bleach and oxidation catalyst is provided comprising a catalytically ace iron, manganese or copper complex including a specified pentadentate nitrogen-containing ligand. The metal complex can activate hydrogen peroxide or peroxyacids and provides favourable stain removal properties. In addition, a considerably improved stability of these metal complex compounds in alkaline aqueous environment has been obtained, in particular at the peroxy compound concentrations generally present in the fabric washing liquor.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: October 31, 2000
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Michel Gilbert Delroisse, Bernard Lucas Feringa, Ronald Hage, Roelant Mathijs Hermant, Robertus Everardus Kalmeijer, Jean Hypolites Koek, Christiaan Lamers, Minze Theunis Rispens, Stephen William Russell, Ronaldus Theodorus Vliet, Jane Whittaker
  • Talcum powder composition
    Patent number: 6132744
    Abstract: This invention relates to a synergistic combination of porous material such as metal silicates, silica, metal hydroxycarbonates, metal hydroxides, al carbonates, metal aluminates with talc for use in talcum powders, deodorants, perfumery and other like cosmetic formulations and method for the manufacture of the same.
    Type: Grant
    Filed: June 1, 1999
    Date of Patent: October 17, 2000
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Mohamad Nabil Chehab, Prashant Micky Puri, Pushker Sona
  • Liquid compositions comprising stable emulsion of small particle skin benefit agent
    Patent number: 6126954
    Abstract: A stable aqueous liquid comprising surfactant, dispersed cationic polymer particle and small particle benefit agent. The dispersed polymer interacts with the benefit agent, without need of additional structurant to stabilize particles in solution. Further, upon dilution, enhanced cationic deposition is achieved.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: October 3, 2000
    Assignee: Unilever Home & Personal Care USA, division of Conopco
    Inventor: Liang Sheng Tsaur
  • Dye-transfer-inhibiting compositions and particulate detergent compositions containing them
    Patent number: 6117834
    Abstract: A free-flowing granular polymer composition suitable for incorporation into a particulate detergent composition comprises a defined dye-transfer-inhibiting polymer, preferably poly(4-vinylpyridine) sodium carboxymethyl betaine chloride, and a carrier material comprising zeolite and a solid acid, for example, polyacrylic acid.
    Type: Grant
    Filed: July 8, 1999
    Date of Patent: September 12, 2000
    Assignee: Unilever Home & Personal Care U.S.A.
    Inventors: Hendrik de Ruijter, Antonius Henricus J Strijbosch
  • Handwash compositions
    Patent number: 6117828
    Abstract: The invention discloses handwash or personal wash shampoo compositions comprising surfactant(s), cationic wheat protein and an antibacterial agent. The cationic wheat protein provides enhanced skin feel relative to other proteins.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: September 12, 2000
    Assignee: Unilever Home & Personal Care USA
    Inventors: Sudhakar Puvvada, Michael Slayton
  • Underarm cosmetic compositions with lower alkyl acetate
    Patent number: 6096297
    Abstract: An underarm composition is provided which includes C.sub.1 -C.sub.6 alkyl acetate, an underarm active selected from astringent salts and anti-microbial agents, and a carrier. The carrier may include propellant, silicone, ester and liquid paraffin. Methyl and t-butyl acetates are preferred. Acetates allow reduction in the levels of more volatile organics thereby decreasing air pollution. They also reduce formulation greasiness, are less clogging to spray nozzles, cause less metal can corrosion and reduce caking of actives through better resuspension.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: August 1, 2000
    Assignee: Unilever Home & Personal Care USA
    Inventors: Francis Jones, David Allen Brewster
  • Water softening and detergent compositions
    Patent number: 6093688
    Abstract: The speed of disintegration of tablets containing a water-softening agent, especially water-insoluble, water-softening agent intended as detergency builder for fabric washing is enhanced by incorporating sodium acetate trihydrate, potassium acetate or a mixture thereof. To inhibit caking and facilitate handling during manufacture, smaller particles of another substance are preferably provided at the surface of the crystals of the acetate or citrate.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: July 25, 2000
    Assignee: Unilever Home & Personal Care USA
    Inventor: James William Gordon
  • Liquid cleansing composition comprising soluble, lamellar phase inducing structurant
    Patent number: 6077816
    Abstract: The present invention relates to lamellar phase compositions comprising dned surfactant systems and a structurant selected from the group consisting of liquid fatty acids liquid alcohols and derivatives thereof which structurant is responsible for inducing the lamellar phrase.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: June 20, 2000
    Assignee: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Sudhakar Puvvada, Virgilio Barba Villa, Richard Kolodziej
  • Bleaching with polyoxometalates and air or molecular oxygen
    Patent number: 6074437
    Abstract: A method for bleaching laundry and household surfaces is provided which iudes preparing a wash medium with a bleaching composition incorporating polyoxometalates and being free of any effective amount of a bleaching agent such as hydrogen peroxide, organic peracids, inorganic peracids, organic persalts, inorganic persalts, Caro's acid, Caroates and mixtures thereof. A second step involves contacting a stained substrate such as a fabric, kitchenware or a household hard surface for a time and in an amount sufficient to remove the stains. Air is employed as a primary source of oxygen atoms for bleaching.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: June 13, 2000
    Assignee: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Uday Shanker Racherla, Qin Chen
  • Detergent compositions
    Patent number: 6066615
    Abstract: A tablet of compacted particulate detergent composition has an indentation (39) around a periphery of the face (37) of the tablet. The surface circumscribed by the indentation preferably has higher permeability and is rougher than the surface of the indentation (39) itself. Such a tablet can be made by a process in which a detergent composition is compacted in a mould by at least one die with an elastomeric surface layer (36) on an area which contacts the composition, which layer (36) is surrounded by a rigid rim (30) which forms the indentation (39).
    Type: Grant
    Filed: February 4, 1999
    Date of Patent: May 23, 2000
    Assignee: Unilever Home & Personal Care USA division of conopco, Inc.
    Inventors: Henk Bijl, James William Gordon, Gert van Koppen, Marcel Van der Kraan, Jan Poorvliet
  • Bars comprising benefit agent and cationic polymer
    Patent number: 6057275
    Abstract: A bar composition in which use of specific ratio of cationic to surfactant as been found to remarkably enhance deposition of oil/emollient benefit agent.
    Type: Grant
    Filed: January 4, 1999
    Date of Patent: May 2, 2000
    Assignee: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Michael Joseph Fair, Michael Massaro, Harry Crookham, Gail Beth Rattinger, James Joseph Dalton, Terence James Farrell, Georgia Shafer
  • Combined bottle and cap
    Patent number: D427913
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: July 11, 2000
    Assignee: Unilever Home and Personal Care, USA, division of Conopco, Inc.
    Inventor: Jonathan Neil Davies
  • Deodorant dispenser
    Patent number: D428646
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: July 25, 2000
    Assignee: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Martin Bunce, Alex James Peacop
  • Capsule
    Patent number: D429525
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: August 15, 2000
    Assignee: Unilever Home & Personal Care USA, Divison of Conopco, Inc.
    Inventor: Patricia Richardson
  • Deodorant dispenser
    Patent number: D430279
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: August 29, 2000
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Martin Bunce, Alex James Peacop
  • Deodorant dispenser
    Patent number: D431457
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: October 3, 2000
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Martin Bunce, Alex James Peacop
  • Capsule
    Patent number: D431863
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: October 10, 2000
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventor: Patricia Richardson
  • Cosmetic jar
    Patent number: D432017
    Type: Grant
    Filed: September 30, 1999
    Date of Patent: October 17, 2000
    Assignee: Unilever Home & Personal Care USA Division of Conopco, Inc.
    Inventor: Jose Enrique Mendoza Alvarado