Patents Examined by Prince E. Willis
  • Patent number: 5174916
    Abstract: A substantially particulate-free homogeneous lubricant additive includes a first nonionic fluorochemical surfactant selected from the group consisting of fluoroaliphatic oxyethylene adducts and fluoroaliphatic oxypropylene adducts, and a second oil solubilizing nonionic surfactant and a transport or carrier medium ranging from light oil to grease. The additive also utilizes an antioxidant, a petroleum distillate solvent and a bactericide.
    Type: Grant
    Filed: October 15, 1990
    Date of Patent: December 29, 1992
    Inventor: Gordon Osgood
  • Patent number: 5160653
    Abstract: The present invention is directed to a liquid electrolyte for an electrolytic capacitor, as well as an electrolytic capacitor made therewith. The electrolyte includes a liquid solvent portion comprising one or more N-substituted pyrrolidones in the amount of at least 40% and water in the range of about 0.2 to about 8%. The electrolyte includes a solute portion comprising an amine salt and boric acid. The amine salt consists of a dicarboxylic acid and an amine. The dicarboxylic acid has 3 to 40 carbons and is present at a level of 0.1 to 4 moles per kilogram of solvent. The amine part is either a tertiary or secondary amine and is present at a level of about 0.2 to 4 moles of active amine nitrogen per mole of dicarboxylic acid. In addition to the above-described electrolyte, the electrolytic capacitor includes a pair of electrodes, at least one of which is composed of a film-forming metal.
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: November 3, 1992
    Assignee: Aerovox M, Inc.
    Inventors: James A. Clouse, Brian J. Melody
  • Patent number: 5122158
    Abstract: A method and device for speeding-up and enhancing the cleaning of soiled parts of clothes by rub-coating with an enzyme-containing liquid detergent by means of a porous body made of heated and sintered synthetic plastic material.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: June 16, 1992
    Assignee: Kao Corporation
    Inventors: Muthumi Kuroda, Akira Suzuki, Kazuo Iguchi, Yumio Nakasone
  • Patent number: 5114620
    Abstract: A non-aqueous liquid cleaning composition comprises solid particles, such as builders, bleaches or abrasives, dispersed in a liquid phase, ideally an alkoxylated liquid surfactant, and, as a dispersion modifier, naphthalene sulphonic acid, a formaldehyde condensate thereof or ideally a mixture of the two.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: May 19, 1992
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Michael J. Garvey, Ian C. Griffiths
  • Patent number: 5106519
    Abstract: A conditioning additive for an oil-in-water emulsion metal working bath includes a copper-amine complex and may further include a molybdenum-amine complex. The complexes may comprise the reaction product of alkanolamines and salts of the metals. The additive may further include pH stabilizing agents, wetting agents, corrosion inhibitors, emulsifiers and surfactants. The additive inhibits microbial growth, stabilizes the emulsion, improves lubricity, prevents corrosion and improves the finish of parts produced therewith.
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: April 21, 1992
    Inventors: Thomas Mauthner, Jack Courier
  • Patent number: 5104418
    Abstract: A hybrid diesel fuel composition in the form of a microemulsion stable with time over a wide temperature range comprises a diesel fuel, water, a glycolipid surfactant and an aliphatic alcohol co-surfactant.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: April 14, 1992
    Assignee: Eniricerche S.p.A.
    Inventors: Calogero Genova, Irena Blute, Rosario Pappa
  • Patent number: 5103522
    Abstract: The present invention is drawn to new processes for sequential oxidative and reductive bleaching of fibers (e.g. natural, synthetic, or blends thereof) e.g. in a single bath, which provide superior bleaching with less physical damage. Said processes comprising the steps of: (1) bleaching fibers with hydrogen peroxide; (2) adding either, (a) a material which combines with hydrogen peroxide to form a reductive bleaching agent, or (b) an inactivating material to inactivate unspent hydrogen peroxide with subsequent addition of a reductive bleaching agent, and; (3) reductively bleaching the already oxidatively bleached fibers. Also encompassed by the present invention are novel bleached fibers produced by the aformentioned processes, having highly advantageous and desirable properties e.g. a high degree of whiteness with low degree of damage.
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: April 14, 1992
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Mustafa Arifoglu, William N. Marmer
  • Patent number: 5096703
    Abstract: The present invention relates to methods and agents for preventing the staining of teeth caused by the nonenzymatic browning of proteins in the oral cavity. Both oral and parenteral administration of the agents are disclosed. Suitable agents for the inhibition of nonenzymatic browning may be formulated as rinses and toothpastes, and include compounds capable of reacting with the carbonyl moiety of the early glycosylation product resulting from the initial reaction of a target protein in the nonenzymatic browning reaction. Preferred agents are those having an active nitrogen-containing substituent, as well as amino acids, their esters and amides. These preparations may further include known anti-plaque agents such as chlorhexidine.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: March 17, 1992
    Assignee: The Rockefeller University
    Inventors: Anthony Cerami, Michael A. Yamin
  • Patent number: 5087266
    Abstract: A method for the treatment of wool so as to impart shrink resistance comprising the steps of:i) subjecting the wool to an oxidative pretreatment, andii) subsequently treating the wool with a) an amino functional polymer which itself confers a degree of shrink resistance and b) a silicone polymer capable of reacting with the reactive groupings of the amino functional polymer, so as to cause the polymers a) and b) to be applied to the wool fibers.The wool thus treated also has good rub fastness when dyed and a soft handle.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: February 11, 1992
    Assignee: Precision Processes (Textiles) Limited
    Inventors: David L. Connell, Kenneth M. Huddlestone, Anthony Szpala
  • Patent number: 5084066
    Abstract: The present invention is drawn to new processes for sequential oxidative and reductive bleaching of pigmented and unpigmented fibers (e.g. natural, synthetic, or blends thereof) e.g. in a single bath, which provide superior bleaching with less physical damage. Said processes including processes comprised of: (1) adsorption of ferrous ions by pigmented and unpigmented fibers; (2) removing a portion of the ferrous ions from the fibers, with at least a portion of the ions remaining on the pigmented fibers; (3) contacting the fibers with hydrogen peroxide to provide oxidative bleaching including bleaching by interaction with the ferrous ions; (4) adding either (a) a material which combines with hydrogen peroxide to form a reductive bleaching agent, or (b) an inactivating material to inactivate unspent hydrogen peroxide with subsequent addition of a reductive bleaching agent, and; (5) reductively bleaching the already oxidatively bleached fibers.
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: January 28, 1992
    Assignee: United States of America, as represented by the Secretary of Agriculture
    Inventors: Mustafa Arifoglu, William N. Marmer
  • Patent number: 5080690
    Abstract: Products of reaction between 1-alkyl-N,N-dialkyl ethanolamines and copolymers of maleic anhydride are new additives which are effective in lowering the cloud point of distillate fuels.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: January 14, 1992
    Assignee: Mobil Oil Corp.
    Inventors: David J. Baillargeon, Angeline B. Cardis, Susan W. Johnson, Carl E. Shanholtz
  • Patent number: 5078896
    Abstract: The invention relates to an aqueous composition incorporating quaternary ammonium salt or amine oxide surfactant and cumene sulphonate, xylene sulphonate, toluene sulphonate or mixtures thereof and displaying pronounced shear thinning behavior, i.e., exhibiting high viscosities at low rates of shear and intended to be applied to non-horizontal structural surfaces.The compositions contain acid and hydrogen peroxide or peracetic acid as active ingredients.The invention also relates to thickening compositions, containing abovementioned nitrogen containing surfactant and the sulphonate and to processes of cleaning non-horizontal surfaces.
    Type: Grant
    Filed: March 7, 1989
    Date of Patent: January 7, 1992
    Assignee: Akzo N.V.
    Inventors: Hans Rorig, Norbert Porta
  • Patent number: 5076948
    Abstract: The present invention provides compositions comprising organic material susceptible to degradation and, as metal deactivator and/or antioxidant, at least one compound having the formula(I): ##STR1## wherein X is a group of formula II: ##STR2## of formula III: ##STR3## wherein R.sub.1 is C.sub.1 -C.sub.20 linear or branched alkyl; C.sub.5 -C.sub.12 cycloalkyl; benzyl; or phenyl optionally substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or nitro; R.sub.2 is C.sub.1 -C.sub.20 linear or branched chain alkyl, C.sub.2 -C.sub.20 linear or branched chain alkyl interrupted by one or more oxygen atoms; C.sub.5 -C.sub.12 cycloalkyl; benzyl; or phenyl optionally substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or nitro; and n is 3 or 4.
    Type: Grant
    Filed: February 27, 1990
    Date of Patent: December 31, 1991
    Assignee: CIBA-GEIGY Corporation
    Inventors: Robert M. O'Neil, Geoffrey Graham
  • Patent number: 5076814
    Abstract: Liquid mixtures of alkyl phenols composed of from 1 to 8 wt % of 2-tert-butylphenol; from 4 to 12 wt % of 2,6-di-tert-butylphenol; from 4 to 12 wt % of 2-tert-butyl-4-n-butylphenol; from 4 to 12 wt % of 2,4,6-tri-tert-butylphenol; and from 65 to 89 wt % of 2,6-di-tert-butyl-4-n-butylphenol having a balance of properties rendering them ideally suited for use as stabilizers for middle distillate fuels. Such mixtures can be readily produced by an aldehyde-catalytzed alkylation procedure using n-butanol, an appropriate mixture of tertiary butylated phenols, and a strong base (e.g., NaOH, KOH, etc.).
    Type: Grant
    Filed: December 5, 1990
    Date of Patent: December 31, 1991
    Assignee: Ethyl Corporation
    Inventors: J. Vincent Hanlon, Scott A. Culley
  • Patent number: 5073280
    Abstract: Stress cracking in poly(alkylene terephthalate) articles of manufacture is inhibited by applying to the article a stress crack inhibitor which contains an amine having at least 6 carbon atoms. In a preferred embodiment, the stress crack inhibitor is applied to the article in the form of an aqueous fatty acid-based lubricant.
    Type: Grant
    Filed: June 8, 1990
    Date of Patent: December 17, 1991
    Assignee: Diversey Corporation
    Inventors: Charles E. Rossio, Theodore E. Anderson
  • Patent number: 5071594
    Abstract: A free-flowing granular heavy duty laundry detergent is made by blending with a detergent builder (e.g. Zeolite A) and optional other ingredients a discrete tert-amine oxide wherein the molecules correspond to the formual RR'R"NO.2H.sub.2 O in which R is a primary alkyl group containing 8-24 carbons; R' is methyl, ethyl, or 2-hydroxyethyl; and R" is independently selected from methyl, ethyl, 2-hydroxyethyl, and primary alkyl groups containing 8-24 carbons.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: December 10, 1991
    Assignee: Ethyl Corporation
    Inventors: James E. Borland, Kim R. Smith
  • Patent number: 5071445
    Abstract: Novel reaction products of aminoalkylene polycarboxylic acids with secondary amines and their use as additives to middle distillates together with conventional ethylene copolymers as flow improvers and conductivity improves.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: December 10, 1991
    Assignee: BASF Aktiengesellschaft
    Inventors: Knut Oppenlaender, Brigitte Wegner, Klaus Barthold, Erich Schwartz, Egon Buettner, Manfred Schramm
  • Patent number: 5071579
    Abstract: The corrosion inhibiting systems comprise at least one of the following: sodium fluorophosphate, and a water soluble salt of phosphonic acid derivatives having the general formula R.sub.n R.sub.1 N(CH.sub.2 PO.sub.3 H.sub.2).sub.2-n wherein R.sub.n and R.sub.1 are each independently selected from a member selected from the group consisting of alkyl, aminoalkyl and N-hydroxyalkyl and n is an integer selected from 1 and 0. The methods comprise laying on a surface a system as defined above. The invention also discloses deicers, paints and other corrosion inhibitors in numerous carriers. Products containing at least residual amounts of a system as defined above are also disclosed.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: December 10, 1991
    Assignee: Domtar Inc.
    Inventors: Allan Johnston, Dean Mason, Darren F. Lawless, Terrence E. Peel
  • Patent number: 5071590
    Abstract: This invention concerns the addition of fibrous alumina material to a phosphor or phosphor mixture before fluidization as a means of increasing the cohesiveness of the phosphor or phosphor mixture. The increase in cohesiveness can be controlled by varying the concentration of the fiber in the mixture.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: December 10, 1991
    Assignee: GTE Products Corporation
    Inventors: Arunava Dutta, Leonard V. Dullea
  • Patent number: 5071580
    Abstract: A corrosion inhibitor slurry is disclosed which is suitable for addition to a selected liquid coolant capable of dispersing at least one glycol having from 3 to 5 carbon atoms per molecule. The slurry consists of a mixture of (a) a treatment composition comprising corrosion inhibitor, capable of dispersing in said selected liquid coolant and consisting of solid and, optionally non-solid components; and (b) a liquid vehicle selected from glycols which have 3 to 5 carbon atoms per molecule and disperse in said selected liquid coolant. The treatment composition solids in the slurry are fine particles; the amount of vehicle in the slurry is chosen such that the particles are thoroughly wetted and the slurry both sets and is pumpable; and the amounts of non-solid components of the treatment composition are limited to a total quantity that does not substantially impair the pumping and setting characteristics provided by the particles and liquid vehicle.
    Type: Grant
    Filed: September 29, 1988
    Date of Patent: December 10, 1991
    Assignee: W. R. Grace & Co.-Conn.
    Inventor: David A. Little