Patents Examined by Mayer Weinblatt
  • Stabilization of hydrogen peroxide in acid baths for cleaning metals
    Patent number: 4022703
    Abstract: Hydrogen peroxide-containing acidic baths for pickling metals, the bath compositions being stabilized according to the invention so that the baths can be used over long periods of time without appreciable decomposition of hydrogen peroxide, such baths containing from about 10 to 400 g/liter of sulfuric acid, 2 to 80 g/liter of 100% hydrogen peroxide, and 10 to 500 mg/liter of an oxyquinoline derivative stabilizer, the compositions optionally containing a surface active agent, and/or from 0.3 to 2 g/liter of fatty alcohol-ethylene oxide polycondensate stabilizer as well as methods for pickling metals using such baths.
    Type: Grant
    Filed: January 13, 1976
    Date of Patent: May 10, 1977
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventors: Michel Bakes, Michel Roche
  • Toner for developing electrostatic latent images
    Patent number: 4021358
    Abstract: A toner for developing electrostatic images which contains a particular addition condensate and a colorant wherein said addition condensate is present in an amount of from 1 to 100 parts by weight and said colorant in an amount of from 1 to 10 parts by weight of said toner.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: May 3, 1977
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Makoto Tomono, Goiti Yamakawa, Akira Inoue, Masahiro Otsuka
  • Powder detergent compositions
    Patent number: 4021360
    Abstract: Powder detergent compositions for machine dish washing which are effective in hard water in the absence of large amounts of phosphates are provided based on a combination of low foaming nonionic surfactant, bleaching agent, alkali metal hexametaphosphate, and from 15-70% of borax. The composition is buffered to provide a pH in the range of pH 7.0 to pH 8.5 measured in 1% water solution.
    Type: Grant
    Filed: October 15, 1975
    Date of Patent: May 3, 1977
    Assignee: DeSoto, Inc.
    Inventors: Robert L. McLaughlin, Donald C. Wood
  • Photographic light-sensitive material
    Patent number: 4021245
    Abstract: A photographic light-sensitive material with an uppermost layer thereon containing a gelatin derivative and silicic anhydride colloid.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: May 3, 1977
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Shigeru Nagatomo, Kiyotaka Hori
  • Storage-stable detergent composition containing sodium perborate and activator
    Patent number: 4021361
    Abstract: A storage-stable bleaching detergent composition is obtained by adding, to a typical solid detergent mix, sodium perborate or sodium carbonate peroxide as a bleaching agent, and from about 50% to about 100% of the weight of the sodium perborate of an activator of the group consisting of the acetylated adduct of nitromethane and cyclohexanone, and the acetylated adduct of nitromethane and cyclopentanone.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: May 3, 1977
    Assignee: FMC Corporation
    Inventor: Fui-Tseng H. Lee
  • Liquid detergent composition
    Patent number: 4021377
    Abstract: A phosphate-free liquid detergent composition having useful soil-removing characteristics can be prepared from a mixture of at least one liquid anionic or nonionic surfactant material, water or water-glycol mixtures, and a reaction product of citric acid and a water soluble or water dispersible amine. In a preferred embodiment the liquid detergent composition also contains enzymes.
    Type: Grant
    Filed: September 11, 1973
    Date of Patent: May 3, 1977
    Assignee: Miles Laboratories, Inc.
    Inventors: Peter Jochen Borchert, Jerry Lee Neff
  • Corrosion inhibitors for absorption refrigeration systems
    Patent number: 4019992
    Abstract: Working fluid compositions for absorption refrigeration systems comprising alcohol, lithium bromide, zinc bromide and a synergistic mixture of arsenic trioxide and the sodium salt of ethylenediaminetetraacetic acid which are markedly inhibited in corrosion of ferrous metals, and a method for inhibiting the corrosion of ferrous metals by alcohol-lithium bromide-zinc bromide mixture by adding a synergistic combination of arsenic trioxide and ethylenediaminetetraacetic acid.
    Type: Grant
    Filed: November 3, 1975
    Date of Patent: April 26, 1977
    Assignee: Borg-Warner Corporation
    Inventor: Robert Harold Krueger
  • Belting for safety belts
    Patent number: 4018960
    Abstract: Belting for safety belts, particularly for vehicles, having at least one side margin comprising an externally rounded protective profiled element, this element preferably being in the form of a tube. The belting, including said elements, may be woven in one piece. The warp threads in the woven tubular element preferably have a higher coefficient of elongation at break than those of the belt portion, so that under load they will not break before the warp threads of the belt portion. In order to achieve this, the warp threads of the woven tubular element may be shrunk before weaving.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: April 19, 1977
    Inventors: Johann Berger, Josef Berger
  • Method of washing glassware and inhibited cleaning solution and additive composition useful therein
    Patent number: 4017410
    Abstract: Soiled hot end coated glassware having a substantially colorless and transparent thin protective coating thereon including an organic coating material is washed in an inhibited aqueous caustic soda cleaning solution to inhibit the deleterious effects of repeated washings and thereby increase the effective life of the protective coating. The cleaning solution comprises on a weight basis from 0.3 to 6% of caustic soda, from 0.01% to 0.3% of at least one soluble zinc containing compound when calculated as zinc oxide, and the remainder water. Other ingredients which may be present include from 0.002 to 0.05% of a synthetic organic phosphate ester anionic surfactant having hydrotrophic properties, from 0.001 to 0.03% of a low foaming synthetic alkoxylated nonionic surfactant, and from 0.008 to 0.2% of a hard water conditioning sequesterant.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: April 12, 1977
    Assignee: BASF Wyandotte Corporation
    Inventors: Malachi E. Sorgenfrei, Otto T. Aepli
  • Stable bleaching composition
    Patent number: 4016090
    Abstract: A stable bleaching composition containing, as essential ingredients, an inorganic peroxide, an activating agent for said inorganic peroxide and potassium carbonate.
    Type: Grant
    Filed: February 28, 1975
    Date of Patent: April 5, 1977
    Assignee: Kao Soap Co., Ltd.
    Inventors: Yunosuke Nakagawa, Koitsu Sato
  • Dry cleaning formulation
    Patent number: 4014805
    Abstract: Improved dry cleaning formulation containing a dry cleaning solvent, water, inorganic polyphosphate salt, hydrogen peroxide and a suitable detergent surfactant having a pH value of from 5 to 9, which minimizes equipment corrosion and maintains fabric strength while effectively removing hydrophilic stains.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: March 29, 1977
    Assignee: FMC Corporation
    Inventor: Harry Marcus Castrantas
  • Organosilane-containing prill
    Patent number: 4013574
    Abstract: A prill comprising an organosilane and a water-soluble or water-dispersible, normally solid, nonionic material. The organosilane is stabilized within the prill and can be included in moisture-containing, highly alkaline or electrolyte-containing compositions, e.g. detergent compositions.
    Type: Grant
    Filed: April 22, 1975
    Date of Patent: March 22, 1977
    Assignee: The Procter & Gamble Company
    Inventors: John W. Leikhim, Edward J. Maguire, Jr., David C. Heckert, David M. Watt, Jr.
  • Dry cleaning with peracids
    Patent number: 4013575
    Abstract: Textile fabric stain removal is significantly improved by including in conventional dry cleaning solvent baths, a preformed or in situ generated peracid.
    Type: Grant
    Filed: November 28, 1975
    Date of Patent: March 22, 1977
    Assignee: FMC Corporation
    Inventors: Harry Marcus Castrantas, John T. Gresham
  • Detergent ingredient
    Patent number: 4013578
    Abstract: Finely divided calcium carbonate, which is intended for use in detergent compositions containing sodium carbonate as the detergency builder, is treated before it has been dried with a water-soluble dispersing aid. This decreases the tendency of the calcium carbonate particles to aggregate and subsequently be deposited on fabrics in the washing process.
    Type: Grant
    Filed: August 14, 1974
    Date of Patent: March 22, 1977
    Assignee: Lever Brothers Company
    Inventors: Terence Frederick Child, James Francis Davies
  • Acidic cleaning composition
    Patent number: 4013579
    Abstract: An acidic cleaning composition comprising at least 0.1 weight percent of at least one member selected from the group consisting of furan-carboxylic acid and derivatives thereof having the following formula I and tetrahydrofuran-carboxylic acid and derivatives thereof having the following formula II ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen, --COOH, --CH.sub.3, --C.sub.2 H.sub.5 or --OH with the proviso that at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is --COOH.
    Type: Grant
    Filed: May 31, 1974
    Date of Patent: March 22, 1977
    Assignee: Kao Soap Co., Ltd.
    Inventors: Yumio Nakasone, Miwako Abe, Hiroshi Mizutani
  • Carrier granule for an organosilane
    Patent number: 4013573
    Abstract: A carrier granule containing an inert inner core and a coating of an organosilane and water-soluble or water-dispersible, normally solid, nonionic material. The organosilane is stabilized within the carrier granule and can be included in moisture-containing, highly alkaline or electrolyte-containing compositions, e.g. detergent compositions.
    Type: Grant
    Filed: April 22, 1975
    Date of Patent: March 22, 1977
    Assignee: The Procter & Gamble Company
    Inventors: John W. Leikhim, Edward J. Maguire, Jr., David C. Heckert, David M. Watt, Jr.
  • Photographic light-sensitive material
    Patent number: 4013472
    Abstract: A silver halide photographic light-sensitive material in which a surface layer thereof contains an inorganic material comprising as a main component alumina-magnesium silicate to improve upon the characteristics of the surface.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: March 22, 1977
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Ikutaro Horie, Kameji Nagao
  • De-icing compositions contained in road surface material
    Patent number: 4012537
    Abstract: A composition for admixture with road surface preparation materials to prevent formation of ice and to melt snow on the finished road surface. The composition is distributed throughout the road surface and comprises particulate thawing substances at least some of which have a watertight coating resistant to the thawing substance and to the temperature at which the composition materials are prepared for application as a road surface. The coating may, however, be worn away by mechanical action, e.g. traffic movement, to expose the thawing substance.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: March 15, 1977
    Assignee: Plastiroute SA
    Inventor: Robert Dubois
  • Activator-stabilizers in heat developable photographic materials and processes
    Patent number: 4012260
    Abstract: 2-Amino-2-thiazolinium carboxylates and 4,5-dihydro-6H-1,3-thiazin-3-ium carboxylates are activator-stabilizers in heat-developable and heat-stabilizable photographic materials containing photographic silver salts and photographic silver salt developing agents. An image in such a photographic material is developed and the resulting developed image is stabilized by heating the photographic material.
    Type: Grant
    Filed: February 19, 1975
    Date of Patent: March 15, 1977
    Assignee: Eastman Kodak Company
    Inventors: Dorsey G. Dickerson, Paul B. Merkel
  • Boiler treatment using amines and organophosphonate materials
    Patent number: 4011171
    Abstract: A method of inhibiting the precipitation of scale deposits in water systems using a scale preventive composition which consists of a combination of an organophosphonate material and an amine selected from the group consisting of dihydroxyethylethylenediamine, trihydroxyethylethylenediamine, tetrahydroxyethylethylenediamine, and aminoethylethanolamine and combinations thereof. The combination of the organophosphonate material and the amine provides a synergistic effect in the prevention of scale deposits in water systems.
    Type: Grant
    Filed: January 29, 1976
    Date of Patent: March 8, 1977
    Assignee: Nalco Chemical Company
    Inventors: Walter F. Lorenc, Dean H. Joneson