Patents Examined by Ardith Hertzog
  • Effective alternative filter cleaner for biguanide treated recreational water systems
    Patent number: 5801133
    Abstract: An aqueous, biodegradable acid-based cleaner employing a dicarboxylic acid selected from oxalic acid, malonic acid, and tartaric acid and a tricarboxylic acid selected from citric acid and ascorbic acid is disclosed. A method for cleaning a filter used to filter biguanide-treated recreational water is also disclosed.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: September 1, 1998
    Assignee: Buckman Laboratories International Inc.
    Inventors: Percy A. Jaquess, Luis Fernando Del Corral
  • Detergent composition comprising carbonate-amorphous silicate compound as builder and processes of using same
    Patent number: 5798328
    Abstract: A detergent composition containing surfactants selected from anionic, cationic, nonionic, amphoteric and zwitterionic surfactants and a builder component containing 40% to 80% by weight of amorphous alkali metal silicates and 10% to 40% by weight of alkali metal carbonates in the form of a compound, with the proviso that the alkali metal carbonate content is always greater than the alkali metal silicate content, and at most 25% by weight of water, and wherein the compound does not have a homogeneous surface nor a uniform particle size distribution.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: August 25, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Beatrix Kottwitz, Joerg Poethkow, Horst Upadek
  • Microemulsion or non-microemulsion glass cleaning compositions
    Patent number: 5795853
    Abstract: An improvement is described in the glass cleaning composition a perfume ingredient, a cosurfactant, an alkylolamine methosulfate and water.
    Type: Grant
    Filed: November 21, 1997
    Date of Patent: August 18, 1998
    Assignee: Colgate-Palmolive Company
    Inventors: Jean-Pierre Denis, Antonio Minicucci, Michel Julemont
  • Non-caustic cleaning composition comprising peroxygen compound and specific silicate, and method of making same in free-flowing, particulate form
    Patent number: 5789361
    Abstract: The present invention discloses an alkaline cleaning composition for cleaning heavily soiled metal surfaces such as food fryers, baking pans, high temperature pasteurizers, and beer kettles, ceramic surfaces such as restaurant grade ceramic china plates and platters, and plastic surfaces. The cleaning composition is noncaustic and includes a peroxygen compound, a chelate, and a metasilicate and/or sesquisilicate. A preferred cleaning composition further includes a surfactant and hydrated builder.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: August 4, 1998
    Assignee: Charvid Limited Liability Co.
    Inventor: Charles Bullick Talley
  • Control of calcium precipitation in automatic dishwashing
    Patent number: 5786314
    Abstract: Automatic dishwashing detergent compositions comprising a weight to weight ratio of calcium complexing component to carbonate source of at least 0.9 and having a pH between about 7 and about 11 are disclosed. The compositions exhibit enhanced filming performance, particularly preferred compositions additionally contain polymer dispersant and silicate.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: July 28, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Eugene Steven Sadlowski
  • Control of calcium carbonate precipitation in automatic dishwashing
    Patent number: 5786315
    Abstract: Automatic dishwashing detergent compositions comprising a carbonate source and a pH from about 5.0 to about 9.5 for enhanced filming performance are disclosed. Particularly preferred compositions contain polymer dispersant and silicate.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: July 28, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Eugene Steven Sadlowski
  • Detergent powder compositions comprising metal ion-chelant complex and anionic functional polymer
    Patent number: 5780419
    Abstract: A free-flowing detergent powder is prepared by spray drying and comprises from 10% to 90%, by weight, of a complex of a chelating agent and a metal ion selected from the group consisting of magnesium, calcium, strontium, zinc, aluminum and mixtures thereof, and from 10% to 90%, by weight, of a polymer comprising anionic functional groups. The detergent powder comprises less than 20%, by weight, on an anhydrous basis, of inorganic components other than the metal ion.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: July 14, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Achille Jules Edmond Doumen, Luc Goovaerts, Jose Luis Vega
  • Acidic hard surface cleaning formulations comprising APG and propoxylated-ethoxylated fatty alcohol ether
    Patent number: 5780416
    Abstract: A water-containing cleaning composition having a pH value of 3.0 to 6.5 containing 0.1% to 50% by weight of at least one alkyl glycoside corresponding to formula (I):R.sup.1 --O--?G!.sub.xwherein R.sup.1 is a branched or linear, saturated or unsaturated alkyl group containing 6 to 11 carbon atoms, G is a glycose or xylose unit and x is a number of 1 to 10, 0. 1 % to 30% by weight of at least one fatty alcohol ether corresponding to formula (II) ##STR1## in which R.sup.2 is an alkyl radical containing 6 to 12 carbon atoms, m is a number of 0.5 to 3.0 and n is a number of 4.0 to 12.0, based on the weight of the composition, and which is free from hydrotropes based on organic acids.
    Type: Grant
    Filed: October 10, 1996
    Date of Patent: July 14, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Eva Kiewert, Ronald Menke, Birgit Middelhauve
  • Aqueous cleaning compositions which may be in microemulsion form comprising ethoxylated secondary alcohol cosurfactant
    Patent number: 5776880
    Abstract: An improvement is described in all purpose liquid cleaning composition and microemulsion composition which are especially effective in the removal of oily and greasy soil and contains an anionic detergent, a nonionic surfactant or ethoxylated polyhydric alcohol type compound, a secondary alcohol cosurfactant, a hydrocarbon ingredient, and water.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: July 7, 1998
    Assignee: Colgate-Palmolive Co.
    Inventors: Myriam Mondin, Nicole Andries, Jean Massaux
  • Detergent composition containing polycarboxylate agent having specifically defined parameters
    Patent number: 5773401
    Abstract: Laundry detergent compositions comprise at least 10% detergent surfactant or at least 10% detergent builder system. The detergent builder system comprises a copolymer of maleic acid and acrylic acid having a molecular weight of from 5,000 to 15,000 and a mole ratio of acrylic units to maleic units of from about 3:7 to 7:3. The copolymer has an Index Ratio (IR) of not less than 110, wherein IR=Binding Index (BI).times.Dispersing Index (DI)100.
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: June 30, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Susumu Murata, David Johnathan Kitko, Toshiko Shigematsu
  • Rinseable hard surface cleaner comprising silicate and hydrophobic acrylic polymer
    Patent number: 5770548
    Abstract: Disclosed are hard surface cleaners such as glass window cleaners. A silicate/hydrophobic acrylic polymer/surfactant composition is used to reduce water spotting, filming or streaking. These cleaners can also include a base and a sequestrant.
    Type: Grant
    Filed: May 14, 1996
    Date of Patent: June 23, 1998
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: James J. Leskowicz, Marygrace G. Horner
  • Light duty liquid cleaning compositions comprising partially esterified polyhydric alcohol solubilizing agent
    Patent number: 5767050
    Abstract: A high foaming, surfactant based, light duty, liquid detergent with desirable cleansing properties and mildness to the human skin comprising a biodegradable solubilizing agent, a water soluble, foaming, ethoxylated alkyl ether sulfate anionic surfactant optionally a nonionic surfactant and optionally a water soluble, foaming zwitterionic betaine surfactant.
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: June 16, 1998
    Assignee: Colgate-Palmolive Co.
    Inventors: Steven Adamy, Sat Bedi, Ammanuel Mehreteab, Barbara Thomas
  • Aqueous alkaline composition
    Patent number: 5767056
    Abstract: The aqueous composition comprises a non-ionic surfactant and an alkali metal hydroxide.The non-ionic surfactant is a propylene oxide-ethylene oxide derivative of an alcohol of formula IR--O--?C.sub.2 H.sub.3 (CH.sub.3)O!.sub.a --?C.sub.2 H.sub.4 O!.sub.b --H(I )and/ora butylene oxide-ethylene oxide derivative of an alcohol (ROH), of formula IIR--O--?C.sub.2 H.sub.3 (C.sub.2 H.sub.5)O!.sub.c --(C.sub.2 H.sub.4 O!.sub.b --H (II)whereinR is a linear or branched alkyl or alkenyl group containing from 4 to 11 carbon atoms,a (the average degree of propoxylation per mole) is from 2.5 to 7,b (the average degree of ethoxylation per mole) is from 1 to 10, andc (the average degree of butoxylation per mole) is from 0.5 to 4.The content of the alkali metal hydroxide is at least 5 percent, based on the total weight of the aqueous composition.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: June 16, 1998
    Assignee: The Dow Chemical Company
    Inventor: Pierre Marie Lenoir
  • Microemulsion all purpose liquid cleaning compositions comprising ethoxylated polyhydric alcohols with at least partial esters thereof, and optional dralkyl sulfosuccinate
    Patent number: 5763386
    Abstract: An improvement is described in the liquid crystal composition or the microemulsion compositions which is more environmentally friendly and is especially effective in the removal of oily and greasy soil and having an evidenced grease release effect, contains an anionic detergent, an ethoxylated polyhydric alcohol, a hydrocarbon ingredient, optionally, a dialkyl sulfosuccinate, a fatty acid and water which comprises the use of a water-insoluble odoriferous perfume as the essential hydrocarbon ingredient in a proportion sufficient to form a dilute o/w microemulsion composition containing, by weight, 1% to 20% of an anionic surfactant, 0.1 to 50% of a cosurfactant, 0.1% to 20% of an ethoxylated polyhydric alcohol, 0.4% to 10% of perfume and the balance being water.
    Type: Grant
    Filed: June 20, 1996
    Date of Patent: June 9, 1998
    Assignee: Colgate Palmolive Company
    Inventors: Myriam Mondin, Myriam Loth, Guy Broze, Ammanuel Mehreteab, Barbara Thomas, Frank Bala, Jr., Steven Adamy
  • Car wash
    Patent number: 5759980
    Abstract: A novel car wash composition substantially eliminates water-spotting. This novel car wash composition is comprised of: a surfactant package which is comprised of a first surfactant selected from the group consisting essentially of an anionic surfactant, a nonionic surfactant and mixtures thereof; and a second surfactant selected from the group consisting essentially of fluorosurfactant, a silicone surfactant, and mixtures thereof; and a substantive polymer that renders the surface to be cleaned more hydrophilic.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: June 2, 1998
    Assignee: Blue Coral, Inc.
    Inventors: Brian A. Russo, Ronald L. Fausnight, David A. Lupyan
  • Non-phosphate machine dishwashing compositions containing polycarboxylate polymers and polyalkylene oxide homopolymers
    Patent number: 5759978
    Abstract: An improved non-phosphate, peroxygen based machine dishwashing composition comprising a blend of nonionic surfactants, builders, non-chlorine bleach, bleach precursors, enzymes, polycarboxylate polymers and homopolymers of polyalkyleneoxide wherein spotting and filming are substantially minimized.
    Type: Grant
    Filed: December 6, 1995
    Date of Patent: June 2, 1998
    Assignee: BASF Corporation
    Inventors: Michael C. Welch, Kenneth L. Zack
  • Aqueous cleaning composition which may be in microemulsion form comprising polyalkylene oxide -polydimethyl siloxane and ethoxylated secondary alcohol
    Patent number: 5759983
    Abstract: An improvement is described in all purpose liquid cleaning composition and microemulsion composition which are especially effective in the removal of oily and greasy soil and contains a quick drying agent, an anionic detergent, optionally, a partially esterified ethoxylated polyhydric type alcohol, a secondary alcohol cosurfactant, a hydrocarbon ingredient, and water.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: June 2, 1998
    Assignee: Colgate-Palmolive Co.
    Inventors: Myriam Mondin, Nicole Andries, Jean Massaux
  • Detergent mixtures comprising APG and fatty alcohol polyglycol ether
    Patent number: 5759979
    Abstract: Detergent mixtures containing a) alkyl and/or alkenyl oligoglycosides corresponding to formula (I)R.sup.1 O--?G!.sub.p (I)in which R.sup.1 is an alkyl or alkenyl radical containing 8 to 22 carbon atoms, G is a sugar unit containing 5 or 6 carbon atoms and p is a number of 1 to 10; b) fatty alcohol polyglycol ethers corresponding to formula (II) ##STR1## in which R.sup.2 represents alkyl radicals containing 6 to 14 carbon atoms, n is a number of 0.5 to 2 and m is a number of 2 to 10 and, optionally, c) amphoteric or zwitterionic surfactants and water, have synergistic effects in regard to their washing, dishwashing, foaming and cleaning performance and in regard to their skin-cosmetic compatibility. Accordingly, they are suitable for the production of a number of surface-active preparations, particularly manual dishwashing detergents.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: June 2, 1998
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karl Schmid, Brigitte Giesen, Karin Koren
  • Mixtures of nonionic ethers for use as rinse aids and/or cleaning hard surfaces
    Patent number: 5759987
    Abstract: A rinse aid composition for hard surfaces containinga) mixed ethers corresponding to formula (I) ##STR1## in which R.sup.1 is a linear or branched, aliphatic alkyl or alkenyl radical containing 8 to 18 carbon atoms, R.sup.2 is a linear or branched alkyl radical containing 1 to 4 carbon atoms or a benzyl radical, m1 has a value of 0 or 1 to 2 and n1 has a value of 5 to 15, andb) fatty alcohol polypropylene glycol/polyethylene glycol ethers corresponding to formula (II) ##STR2## in which R.sup.3 is a linear or branched, aliphatic alkyl or alkenyl radical containing 8 to 16 carbon atoms, m2 has a value of 0 or 1 to 3 and n2 has a value of 1 to 5.
    Type: Grant
    Filed: March 21, 1996
    Date of Patent: June 2, 1998
    Inventors: Juergen Haerer, Peter Jeschke, Karl Schmid, Karin Koren
  • Granular detergent composition comprising a low bulk density component
    Patent number: 5756445
    Abstract: A granular detergent component having a bulk density of less than 400 g/l comprises from 20% to 50%, by weight, of aluminosilicate, optionally up to 50%, by weight, of a co-filler, and 0.05% to 2%, by weight, of anionic surfactant, preferably C14-C20 alkyl sulphate. The low bulk density component is preferably mixed with other components such as percarbonate, silicate, layered silicate, carbonate, bicarbonate, sesquicarbonate, sulphate, citrate and mixtures thereof to provide a granular detergent composition.
    Type: Grant
    Filed: July 30, 1996
    Date of Patent: May 26, 1998
    Assignee: The Proctor & Gamble Company
    Inventors: Andrew Dorset, Robin Gibson Hall