Patents Examined by J. A. Lorengo
  • Patent number: 7220303
    Abstract: An inkjet ink that provides improved print quality on diverse types of print media. The inkjet ink includes a first pigment dispersion and a second pigment dispersion in which the pigments are formulated to segregate when deposited on a glossy print medium. Each of the pigments in the first and second pigment dispersions may have at least one of a different particle size, a different particle morphology, and a different manner of dispersion. An inkjet ink that provides improved print quality on a print medium having chemically and physically distinct domains is also disclosed.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: May 22, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventor: David Tyvoll
  • Patent number: 7217315
    Abstract: A neutral gray or black ink and combinations thereof for ink-jet printing, comprising: an ink vehicle; carbon black; another colored pigment or pigments such as a combination of cyan and violet pigments; wherein the carbon black and colored pigments are associated with a polymer or polymers which render the carbon black and pigments dispersible in aqueous solution.
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: May 15, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Stephen W. Bauer, Zeying Ma
  • Patent number: 7217676
    Abstract: This invention relates to a catalyst support comprising the result of the combination of: (a) a support comprising hydroxyl groups; (b) a capping agent comprising a boron containing Lewis acid; and (c) an ionic activator, wherein at least some of the capping agent does not form a support bound activator.
    Type: Grant
    Filed: January 16, 2004
    Date of Patent: May 15, 2007
    Assignee: Exxon Mobil Chemical Patents Inc.
    Inventors: George Rodriguez, Anthony N. Speca, Matthew C. Kuchta, David H. McConville, Terry J. Burkhardt
  • Patent number: 7217678
    Abstract: A crystalline alpha-chromium oxide where from about 0.05 atom % to about 6 atom % of the chromium atoms in the alpha-chromium oxide lattice are replaced by trivalent cobalt (Co+3) atoms is disclosed. Also disclosed is a chromium-containing catalyst composition comprising as a chromium-containing component the crystalline cobalt-substituted alpha-chromium oxide; and a method for preparing a composition comprising the crystalline cobalt-substituted alpha-chromium oxide. The method involves (a) co-precipitating a solid by adding ammonium hydroxide to an aqueous solution of a soluble cobalt salt and a soluble trivalent chromium salt that contains at least three moles of nitrate per mole of chromium in the solution and has a cobalt concentration of from about 0.
    Type: Grant
    Filed: August 21, 2003
    Date of Patent: May 15, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Velliyur Nott Mallikarjuna Rao, H. David Rosenfeld, Allen C. Sievert, Shekhar Subramoney, Munirpallam Appadorai Subramanian
  • Patent number: 7214429
    Abstract: A sealing material for sealing an envelope of an electron tube. The sealing material comprises 0.01˜2.0 wt % of fine particle selected from the group consisting of SiO2, Al2O3 and ZrO2 having a particle diameter of 0.001˜0.1 ?m, P2O5—SnO type low melting glass and thermal expansion-controlling low melting ceramics.
    Type: Grant
    Filed: September 29, 2003
    Date of Patent: May 8, 2007
    Assignee: Futaba Corporation
    Inventors: Masahiro Kato, Junichiro Kogure
  • Patent number: 7214642
    Abstract: Methods of preparing a polymerization catalyst are provided that include contacting a support comprising alumina with a sulfating agent and with chromium. In an embodiment in which the chromium is provided from a chromium compound such as chromium oxide, the support may be calcined after loading the sulfating agent and the chromium on the support. Alternatively, the sulfating agent can be loaded on the support while calcining it. In another embodiment in which the chromium is provided from an organochromium compound, the support may be calcined after contacting it with the sulfating agent and before contacting it with the organochromium compound. Catalysts compositions formed by the foregoing method are provided. In an embodiment, catalyst compositions comprise chromium and a sulfate treated alumina support. The catalyst compositions have an activity for ethylene polymerization that is at least about 25% greater than an activity of the same catalyst without sulfate.
    Type: Grant
    Filed: April 22, 2004
    Date of Patent: May 8, 2007
    Assignee: Chevron Phillips Chemical Company LP
    Inventors: Max P. McDaniel, Kathy S. Collins, Elizabeth A. Benham, Paul J. DesLauriers
  • Patent number: 7214261
    Abstract: Fatty acid esters of which the fatty acid constituents are fatty acids containing a total of 12 to 22 carbon atoms and of which the alcohol constituents are saturated and/or mono- or polyolefinically unsaturated monoalcohols containing a total of 1 to 22 carbon atoms, with the additional proviso that the fatty acid constituents of the esters contain saturated and/or mono- or polyolefinically unsaturated fatty acids and have a branched structure, isostearic acid being excluded as the fatty acid constituent of the esters, are suitable as solvents for printing inks.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: May 8, 2007
    Assignee: Cognis Deutschland GmbH & Co. KG
    Inventors: Rainer Hoefer, Matthias Fies, Alfred Westfechtel, Shailesh Shah
  • Patent number: 7211537
    Abstract: A modified aluminum oxy compound (A) obtained by reacting an aluminum oxy compound (a), water (b) and a compound having a hydroxyl group (c); a polymerization catalyst component comprising the modified aluminum oxy compound; a polymerization catalyst obtained by contacting said modified aluminum oxy compound (A), a transition metal compound (B) and optionally an organoaluminum compound (C) and a specified boron compound; and a process for producing an olefin polymer or an alkenyl aromatic hydrocarbon polymer with the polymerization catalyst.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: May 1, 2007
    Assignee: Sumitomo Chemical Company Limited
    Inventors: Masayuki Fujita, Tatsuya Miyatake, Yoshinori Seki, Nobuo Oi
  • Patent number: 7211135
    Abstract: The present invention relates to an aqueous colloidal gold solution, comprising (a) nano-particular gold particles, (b) a compound having a polar tertiary amino group conjugated via a hydrophobic aromatic residue with a weaker alkaline group, and (c) a stabilizer comprising a mercapto group (—SH) and an acidic group, in particular a sulfonic acid group (—SO3?). This gold solution uses an ecologically compatible medium and is suited in an especial manner for writing and for printing, also for inkjet printers, since it has a long-term storage life and generates an attractive metal-like gold sheen.
    Type: Grant
    Filed: March 16, 2004
    Date of Patent: May 1, 2007
    Assignee: nanogate coating systems GmbH
    Inventors: Michael Berkei, Maren Korsten, Fernando Ibarra, Stephan Haubold
  • Patent number: 7211131
    Abstract: Phase change inks comprising a phase change ink carrier and a colorant compound of the formula wherein R1, R2, R3, R4, R5, m, n, and p are as defined herein, R6 is a direct bond, an alkylene group, an arylene group, an arylalkylene group, or an alkylarylene group, R66 is an alkylene group, an arylene group, an arylalkylene group, or an alkylarylene group, G is a hydroxy group, a carboxylic acid group, an alkyl group having at least about 8 carbon atoms, an aryl group, an arylalkyl group having at least about 14 carbon atoms, an alkylaryl group having at least about 14 carbon atoms, a group of the formula a group of the formula a group of the formula or a group of the formula X is —O— or —NR9—, and R7, R8, and R9 are as defined herein.
    Type: Grant
    Filed: August 13, 2004
    Date of Patent: May 1, 2007
    Assignee: Xerox Corporation
    Inventors: Jeffrey H. Banning, Wolfgang G. Wedler, C. Wayne Jaeger
  • Patent number: 7211543
    Abstract: A photocatalyst composition which comprises (A) modified photocatalyst particles, the modified photocatalyst particles (A) being prepared by subjecting particles of a photocatalyst to a modification treatment with at least one modifier compound selected from the group consisting of different compounds each of which independently comprises at least one structural unit selected from the group consisting of a triorganosilane unit, a monooxydiorganosilane unit and a dioxyorganosilane unit; and (B) a binder component comprising a phenyl group-containing silicone optionally containing an alkyl group. A film formed using the above-mentioned photocatalyst composition, a functional composite comprising a substrate and the above-mentioned film formed on the substrate, and a shaped article produced by shaping the above-mentioned photocatalyst composition.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: May 1, 2007
    Assignee: Asahi Kasei Kabushiki Kaisha
    Inventors: Akira Nakabayashi, Kazuya Ota
  • Patent number: 7208032
    Abstract: The present invention can sufficiently suppress curling phenomenon of a recorded product and facilitate handling of a printed product produced by using plain paper, in particular. The present invention provides a printing medium coating solution including water and a water-retentive, water-soluble organic compound, wherein the water-soluble organic compound includes only a water-soluble organic compound showing a difference of 36% or less between the water retention ability at a temperature of 23° C. and a humidity of 45% and the water retention ability at a temperature of 30° C. and a humidity of 80%; and the content of the water-soluble organic compound is 15 mass % or more with respect to the total amount of the printing medium coating solution.
    Type: Grant
    Filed: September 13, 2005
    Date of Patent: April 24, 2007
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinichi Hakamada, Yasuhiro Nito, Koromo Shirota, Kenji Shinjo, Yutaka Kurabayashi, Tetsu Iwata
  • Patent number: 7208445
    Abstract: An orthorhombic phase mixed metal oxide is produced selectively in quantitative yield.
    Type: Grant
    Filed: August 29, 2005
    Date of Patent: April 24, 2007
    Assignee: Rohm and Haas Company
    Inventors: Leonard Edward Bogan, Jr., Daniel A. Bors, Fernando Antonio Pessoa Cavalcanti, Michael Bruce Clark, Jr., Anne Mae Gaffney, Scott Han
  • Patent number: 7208439
    Abstract: A method is featured for fabricating Carbon-supported AuPt nanoparticle catalysts for fuel cells, and particularly fuel cells using methanol as the fuel. The method prepares AuPt-based fuel cell catalysts having a wide range of controllable Au:Pt ratios. The AuPt catalysis are supportable on both carbon black (C) and C/TiO2 support materials. These materials demonstrate electro-catalytic activity towards CO and methanol oxidation, and O2 reduction. The same catalyst material is useful in constructing both anodes and cathodes, and demonstrates bifunctional activity.
    Type: Grant
    Filed: February 4, 2005
    Date of Patent: April 24, 2007
    Assignee: The Research Foundation of State University of New York
    Inventors: Chuan-Jian Zhong, Jin Luo, Mathew M. Maye, Nancy N. Kariuki
  • Patent number: 7208440
    Abstract: The invention relates to a method for pretreatment of a solid catalyst that is obtained by a reaction between an inorganic binder and phosphoric acid, whereby said method comprises a stage in which said catalyst is brought into contact with a mixture of hydrocarbons under swelling conditions of the catalyst up to a predetermined volume increase, with no significant volume constraint on said catalyst. The invention also relates to an operating process of said catalyst in an alkylation or oligomerization reactor.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: April 24, 2007
    Assignee: Institut Francais du Petrole
    Inventors: Florent Picard, Julia Magne-Drisch, Alain Forestiere, Aurélien Hainault
  • Patent number: 7208039
    Abstract: The present invention relates to a hydrous kaolin product having improved optical properties, for example, when used in the production of paper products. The present invention comprises an improved barrier coating for paper and a method of making the coated paper. The present invention also comprises an improved method from making filled and coated paper products. The present invention uses a composition comprising kaolin having a shape factor of at least about 70:1, such as at least about 80:1 or at least about 100:1.
    Type: Grant
    Filed: March 23, 2005
    Date of Patent: April 24, 2007
    Assignee: Imerys Pigments, Inc.
    Inventors: J. Philip E. Jones, Robert J. Pruett, Jun Yuan, Michael J. Garska, David O. Cummings, Bomi M. Bilimoria, Robin Wesley
  • Patent number: 7208446
    Abstract: The present invention pertains to a quasi-crystalline boehmite containing additive in a homogeneously dispersed state. Suitable additives are compounds containing elements selected from the group of alkaline earth metals, alkaline metals, rare earth metals, transition metals, actinides, silicon, gallium, boron, titanium, and phosphorus. Said QCBs according to the invention may be prepared in several ways. In general, a quasi-crystalline boehmite precursor and an additive are converted to a quasi-crystalline boehmite containing the additive in a homogeneously dispersed state.
    Type: Grant
    Filed: November 18, 2002
    Date of Patent: April 24, 2007
    Assignee: Albemarle Netherlands B. V.
    Inventors: Dennis Stamires, Paul O'Connor, Gregory Pearson, William Jones
  • Patent number: 7204873
    Abstract: A neutral gray or black ink and combinations thereof for ink-jet printing, comprising: an ink vehicle; carbon black; another colored pigment or pigments such as a combination of cyan and magenta pigments; wherein the carbon black and colored pigments are associated with a polymer or polymers which render the carbon black and pigments dispersible in aqueous solution.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: April 17, 2007
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Stephen W. Bauer, Zeying Ma
  • Patent number: 7205255
    Abstract: An electrode catalyst for a fuel cell is provided which excels in catalytic activity and catalytic durability. The electrode catalyst for the fuel cell has noble metal-containing particle deposited on an electroconductive carrier and the noble metal-containing particle possesses a core-shell structure comprising a core part formed of a noble metal alloy and a shell part formed of a noble metal layer different in composition from the core par and formed on the periphery of the core part. This core-shell structure enables the catalytic activity and the catalytic durability of the electrode catalyst to be enhanced simultaneously.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: April 17, 2007
    Assignee: Nissan Motor Co., Ltd.
    Inventor: Shinji Yamamoto
  • Patent number: 7202192
    Abstract: The alkylhalosilanes are directly synthesized by reacting an alkyl halide with silicon in the presence of a catalytically effective amount of (?) a copper metal or a copper-based compound catalyst and (?) a catalyst promoter intermixture therefor which comprises an effective minor amount of an additive ?1 selected from the group consisting of tin, a tin-based compound and mixture thereof, an effective minor amount of an additive ?2 selected from the group consisting of cesium, potassium and rubidium, and compound and mixture thereof, and an effective minor amount of an additive ?3 selected from the group consisting of the element phosphorus, a phosphorus-based compound and mixture thereof.
    Type: Grant
    Filed: June 9, 2005
    Date of Patent: April 10, 2007
    Assignee: Rhodia Chimie
    Inventor: Pascale Colin