Patents Examined by John M. Petruncio
  • Stable colored thickened bleaching compositions
    Patent number: 6448215
    Abstract: The present invention relates to liquid colored thickened hypohalite bleaching-containing compositions having a viscosity of 10 cps to 2000 cps and comprising a hypohalite bleach, an alkyl (alkoxy)n sulphate, wherein n is from 2 to 4, optionally a co-surfactant, and a pigment selected from the group consisting of Ultramarine Blue and its equivalents, chlorinated indanthrone and its equivalents, cobalt aluminate blue and mixtures thereof.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: September 10, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Giovanni Grande, Oreste Todini
  • Bleaching compositions
    Patent number: 6444634
    Abstract: Granular detergent compositions and in particular low density, phosphate containing detergent compositions comprise a specific bleaching system containing hydrophobic peracid bleach and hydrophilic peracid bleach and a peroxide source. These detergent compositions have specific low levels of available oxygen from hydrophobic aid hydrophilic peroxyacid bleach, specific ratios of available oxygen from the hydrophobic peracid bleach to the hydrophilic peracid bleach and specific ratios of available oxygen of the peroxide source to the available oxygen of the peracids. These specific mixed bleach systems are useful for sanitization or reduction of bacterial activity.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: September 3, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Susan Judith Mason, Ludivine Pascale Grippay, Nour-Eddine Guedira, Donald Ray Brown, Michelle Frances Mellea
  • Sprayable, liquid or gel detergent compositions containing bleach
    Patent number: 6440920
    Abstract: The present invention relates to liquid or gel detergents which provide enhanced cleaning, especially improved stain removal and tough food particle removal on plastics, fabrics, and other substrates. These cleaning compositions comprise a diacyl peroxide bleaching agent.
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: August 27, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Kofi Ofosu-Asante, Howard David Hutton
  • Pollution remedial composition and method
    Patent number: 6436884
    Abstract: A pollution remedial composition primarily for treating polychlorinated biphenyl compounds is disclosed. The pollution remedial composition includes from about 35 to about 40 volume % of a soluble silicate; from about 0.25 to about 2 volume % of a surfactant; from about 2 to about 5 volume % of a polyol; and the remainder water. The soluble silicate is preferably sodium silicate. The surfactant is preferably Tergitol brand surfactant. The polyol is preferably polyethylene glycol.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: August 20, 2002
    Inventor: William B. Spence
  • Liquid cleansing composition comprising lamellar phase inducing structurant with low salt content and enhanced low temperature stability
    Patent number: 6426326
    Abstract: The invention relates to liquid cleansing compositions in lattellar phase which possess a lotion-like appearance conveying signals of enhanced moisturization. However, these liquids often undergo an irreversible decrease in viscosity under freeze/thaw conditions, losing their moisturization signals. The use of low salt levels in amphoteric and anionic surfactants in a structured liquid product has been found to improve its freeze/thaw stability.
    Type: Grant
    Filed: August 3, 2000
    Date of Patent: July 30, 2002
    Assignee: Unilever Home & Person Care USA, a division of Conopco, Inc.
    Inventors: Shuman Mitra, Sudhakar Puvvada
  • Carbonate-based coating removers
    Patent number: 6420327
    Abstract: Coating remover compositions comprising an alkylene carbonate, hydrogen peroxide, water, a first alcohol, a second alcohol, and, optionally, pine oil that exhibit low toxicity. Further, a method of removing a coating from a surface. The method involves contacting a composition comprising an alkylene carbonate, hydrogen peroxide, water, a first alcohol, a second alcohol, and optionally, pine oil to a coated surface, and allowing the composition to contact the coated surface for a period of time, and under conditions effective to cause blistering of the coating. The compositions and method of the present invention are particularly suited for use with varnishes.
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: July 16, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: James R. Machac, Jr., Edward T. Marquis, Susan A. Woodrum, Howard P. Klein
  • Glass cleaner compositions having good surface lubricity and alkaline buffer
    Patent number: 6420326
    Abstract: The present invention relates to an aqueous, liquid hard surface detergent composition having excellent surface lubricity and filming/streaking characteristics. Said composition comprises less than about 1%, by weight of the composition, of surfactant to provide lubricity, preferably straight chain alkyl sulfate wherein at least about 30%, preferably wherein more than about 50%, of said surfactant, by weight, has a C12 or C14 chain length or mixtures thereof; hydrophobic cleaning solvent; an optional substantive material that increases the hydrophilicity of the glass; and preferred low level of alkaline buffering agent to provide composition stability on storage and alkalinity, without diminishing the lubricity.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: July 16, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Michael Stephen Maile, Alan Edward Sherry
  • Activators for peroxide compounds in detergents and cleaning agents
    Patent number: 6417151
    Abstract: A detergent or disinfectant composition comprising is presented having 0.5 to 10 percent by weight of an activator compound which under perhydrolysis conditions forms a percarboxylic acid, and releases a leaving group capable of being used as a substrate for enzymes, and up to 50 percent by weight of a peroxygen compound. The composition increases the oxidation of peroxide compounds in oxidation, bleaching, detergent, cleaning and disinfecting solutions, especially at low temperatures.
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: July 9, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Marita Grothus, Albrecht Weiss, Beatrix Kottwitz, Ulrich Pegelow, Guenter Uphues, Inken Prueser
  • Sorbent material
    Patent number: 6417154
    Abstract: A sorbent material is provided comprising a porous substrate, such as a nonwoven web, having a wetting chemistry distributed substantially throughout the substrate. The wetting chemistry can comprise (a) an aliphatic alcohol ethoxylate; (b) one or more of an alkyl sulfosuccinate, an alkyl sulfate and a sulfated fatty acid ester and, optionally, (c) a fatty acid ester ethoxylate. Various formulations are provided having low metal ion concentrations, anti-static properties and/or good absorption characteristics for a broad spectrum of liquids.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: July 9, 2002
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Ali Yahiaoui, Craig Farrell Thomaschefsky, Taiwoo Chiu
  • Process for stabilizing particulate alkali metal percarbonate
    Patent number: 6413927
    Abstract: A process for stabilising particulate alkali metal percarbonate involves coating it with an aqueous solution, preferably concentrated, of a non-reducing oligomeric saccharide, preferably sucrose and especially together with an inorganic salt co-coating agent. The preferred co-coating agents are alkali metal silicate, sulphate, carbonate and carbonate chloride. Coated percarbonate is provided having an excellent combination of solubility, and stability, even with low amounts of coating agent.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: July 2, 2002
    Assignee: Solvay (Societe Anonyme)
    Inventors: Graham R. Horne, Alun P. James, Daniel R. Baker
  • Laundry detergent compositions with amino acid based polymers to provide appearance and integrity benefits to fabrics laundered therewith
    Patent number: 6407053
    Abstract: Modified polyaspartic acids are obtained by polycondensing (a) 1 to 99.9 mol % aspartic acid with (b) 99 to 0.1 mol % fatty acids, polybasic carboxylic acids, anhydrides of polybasic carboxylic acids, polybasic hydroxycarboxylic acids, monobasic poly-hydroxycarboxylic acids, alcohols, amines, alkoxylated alcohols and amines, amino sugars, carbohydrates, sugar carboxylic acids and/or non-proteinogenic aminocarboxylic acids, or by polymerizing monoethylenically unsaturated monomers in the presence of polyaspartic acids, in the manner of radically initiated graft copolymerization. Also disclosed is a process for preparing these modified polyaspartic acids, as well as the use of these modified polyaspartic acids as additives to washing and cleaning agents, as water conditioning agents and as deposit inhibitors during the condensation of sugar juice.
    Type: Grant
    Filed: February 7, 2000
    Date of Patent: June 18, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Sherri Lynn Randall, Rajan Keshav Panandiker, Eugene Paul Gosselink, Bernhard Mohr, Dieter Boeckh
  • Composition for desmutting aluminum
    Patent number: 6407047
    Abstract: This invention provides an improved composition and process for pretreatment of aluminum prior to electroplating. The invention is an aqueous composition comprised of an acid, an oxidizing agent, and, optionally, a halogenated compound. This composition is useful in a process that effectively removes smut that results from the etching step of the aluminum pretreatment process. Alternatively, the composition can be used in a process which combines the etch and desmut steps in Al pretreatment.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: June 18, 2002
    Assignee: Atotech Deutschland GmbH
    Inventors: Maulik Dhanesh Mehta, Paul Andrew Butkovsky
  • Soap with suspended articles
    Patent number: 6403543
    Abstract: A soap bar with suspended articles dispersed in a random manner throughout the bar. The articles may contain various skin conditioning, fragrance, or other aesthetic elements that are appealing to the consumer. The process for making the disclosed soap bar is also disclosed. The process comprises forming a gel matrix into which the articles are suspended before being added to the primary soap mixture. The gel matrix of the present invention is formed with a suspending agent which is particularly advantageous when used in the present invention.
    Type: Grant
    Filed: May 16, 2000
    Date of Patent: June 11, 2002
    Assignee: Original Bradford Soap Works, Inc.
    Inventor: Edmund D. George
  • Process of cleaning carpets with a composition comprising peroxygen bleach
    Patent number: 6403547
    Abstract: The present invention relates to a process of cleaning a carpet with a liquid composition comprising a peroxygen bleach and an N-vinyl polymer, said process comprising the steps of applying said composition to the surface of the carpet and leaving said composition to dry onto the carpet. The carpet cleaning composition according to the present invention provides carpet cleaning and/or carpet anti-resoiling benefits.
    Type: Grant
    Filed: April 27, 2001
    Date of Patent: June 11, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Gabriella Grippaudo, Carlo Ricci, Luca Sarcinelli
  • Stable bleaching agents containing bis(organosilyl) peroxides
    Patent number: 6399559
    Abstract: This invention relates to organosilyl peroxide compounds which are stable in aqueous systems and are used for bleaching and cleaning applications. More particularly, this invention is concerned with the stability of bis(organosilyl)peroxides when formulated in aqueous and non-aqueous delivery systems. The liquid detergents containing the organosilyl peroxide compounds of this invention exhibit excellent bleaching performance and stain removal properties on fabrics at typical low wash temperatures.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: June 4, 2002
    Assignees: Dow Corning Corporation, Dow Corning SA
    Inventors: Russell Allen Elms, Franck Renauld, Anil K. Tomar
  • Cleaning composition for removing adhesives
    Patent number: 6399554
    Abstract: A cleaning composition is presented for removing an adhesive from hard substrates. The cleaning solution contains 25 to 98 percent by weight of water, 5 to 74 percent by weight of a chaotropic agent, and 0.001 to 10 percent by weight of at least one surfactant. The cleaning composition is especially effective in removing aqueous-based resin adhesives from machine parts.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: June 4, 2002
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: John Harrington, Melissa L. Sardina, David W. Lydzinski
  • All purpose liquid cleaning compositions
    Patent number: 6399563
    Abstract: An improvement is described in all purpose liquid cleaning composition which are especially effective in the removal of oily and greasy soil containing a nonionic surfactant, a liquid crystal suppression additive and water.
    Type: Grant
    Filed: August 28, 2001
    Date of Patent: June 4, 2002
    Assignee: Colgate-Palmolive Co.
    Inventors: Patrick Durbut, Guy Broze
  • Multiple component bleaching compositions
    Patent number: 6391840
    Abstract: The invention provides liquid bleaching compositions comprising multiple partial compositions held separately from each other in a multiple compartment container. One partial composition comprises a peroxygen bleach compound, preferably hydrogen peroxide. One partial composition (which may be the same as the one containing the peroxygen compound) comprises an imine or oxaziridine bleach activator compound. One partial composition, which is different from the one containing the bleach activator, comprises an alkaline compound in amount sufficient to raise the pH of the total composition to a value at which the bleach system is effective. The bleach activator compound is preferably a sulfonimine or a quaternary imine salt. The number of partial compositions and of the compartments in the container is preferably 2.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: May 21, 2002
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Katherine Mary Thompson, David William Thornthwaite
  • All purpose liquid cleaning compositions
    Patent number: 6391841
    Abstract: An improvement is described in all purpose liquid cleaning composition which are especially effective in the removal of oily and greasy soil containing a nonionic surfactant, a liquid crystal suppression additive and water.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: May 21, 2002
    Assignee: Colgate-Palmolive Co.
    Inventors: Patrick Durbut, Guy Broze
  • Bleach compositions
    Patent number: 6387862
    Abstract: Laundry or cleaning composition comprising: (a) a catalytically effective amount, preferably from about 1 ppb to about 99.9%, of a transition-metal bleach catalyst which is a complex of a transition-metal and a cross-bridged macropolycyclic ligand; and (b) at least about 0.1% of one or more laundry or cleaning adjunct materials, preferably comprising an oxygen bleaching agent. Preferred compositions are laundry compositions and automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits through the use of such catalysts.
    Type: Grant
    Filed: April 11, 2001
    Date of Patent: May 14, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Daryle Hadley Busch, Simon Robert Collinson, Timothy Jay Hubin, Christopher Mark Perkins, Regine Labeque, Barbara Kay Williams, James Pyott Johnston, David Johnathan Kitko, James Charles Theophile Roger Burckett-St. Laurent, Michael Eugene Burns