Patents Represented by Attorney Louis Morris
  • Patent number: 7582202
    Abstract: A Composition comprising one or more metal hydroxy salts and a matrix, binder or carrier material, wherein the metal hydroxy salt is a compound comprising (a) as metal either (i) one or more divalent metals, at least one of them being selected from the group consisting of Ni, Co, Ca, Zn, Mg, Fe, and Mn, or (ii) one or more trivalent metal(s), (b) framework hydroxide, and (c) a replaceable anion. This composition has various catalytic applications.
    Type: Grant
    Filed: February 10, 2004
    Date of Patent: September 1, 2009
    Assignees: Akzo Nobel N.V., Albemarle Netherlands B.V.
    Inventors: William Jones, Paul O'Connor, Dennis Stamires
  • Patent number: 7087193
    Abstract: A stabilizer composition, for use in polyvinyl chloride formulations, that is a mixture of: at least one organotin sulfide; at least one organotin chloride; and at least one free mercaptan.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: August 8, 2006
    Assignee: Akzo Nobel N.V.
    Inventor: Henry J. Barda
  • Patent number: 7022304
    Abstract: The present invention is directed to a process for the preparation of a doped anionic clay. In said process a trivalent metal source is reacted with a divalent metal source, at least one of the metal sources being either doped boehmite, doped MgO or doped brucite, to obtain a doped anionic clay. Suitable dopants are compounds containing elements selected from the group of alkaline earth metals (for instance Ca and Ba), alkaline metals, transition metals (for example Co, Mn, Fe, Ti, Zr, Cu, Ni, Zn, Mo, W, V, Sn), actinides, rare earth metals such as La, Ce, and Nd, noble metals such as Pt and Pd, silicon, gallium, boron, titanium, and phosphorus.
    Type: Grant
    Filed: February 7, 2002
    Date of Patent: April 4, 2006
    Assignee: Akzo Nobel N.V.
    Inventors: Dennis Stamires, William Jones, Paul O'Connor
  • Patent number: 7008896
    Abstract: The present invention is directed to a process for the preparation of crystalline anionic clay-containing bodies from sources comprising a trivalent metal source and a divalent metal source comprising the steps of: a) preparing a precursor mixture containing a liquid, a divalent metal source and/or a trivalent metal source, at least one of them being insoluble in the liquid; b) shaping the precursor mixture to obtain shaped bodies; c) optionally thermally treating the shaped bodies; and d) aging the shaped bodies to obtain crystalline anionic clay-containing bodies; with the proviso that if no divalent or trivalent metal source is present in the precursor mixture of step a), such source is added to the shaped bodies after shaping step b) and before aging step d); and with the further proviso that the combined use of an aluminium source as the trivalent metal source and a magnesium source as the divalent metal source is excluded.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: March 7, 2006
    Assignee: Akzo Nobel NV
    Inventors: Dennis Stamires, William Jones, Paul O'Connor
  • Patent number: 6982292
    Abstract: The invention relates to a process to make stabilized PVC wherein use is made of at least one compound of the formula wherein M is selected from the group consisting of alkali metals, alkali earth metals, Al, and transition elements, and R is selected from the group consisting of substituted, linear or branched, alkyl, cycloalkyl, aryl, alkaryl, and aralkyl moieties, the substituents comprising at least one or more electron-withdrawing groups, as a color stability booster.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: January 3, 2006
    Assignee: Akzo Nobel NV
    Inventors: Daniël Stephan Van Es, Jacco Van Haveren, Augustinus Emmanuel Frissen, Johannes Cornelis Van Der Kolk, Gerard Hubert Frans Schmets, Hendrik Willem Huisman, Heather Blue Harvey
  • Patent number: 6951891
    Abstract: The present invention relates to the production of dispersions and is particularly suitable for making dispersions with a viscous or solid dispersed phase in a continuous phase with a lower viscosity.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: October 4, 2005
    Assignee: Akzo Nobel N.V.
    Inventors: Jozef Johannes Maria Baltussen, Jan Visser
  • Patent number: 6936239
    Abstract: Process for the preparation of doped pentasil-type zeolite, which process comprises the steps of: a) preparing an aqueous precursor mixture comprising a silicon source, an aluminum source, doped faujasite seeds, and another type of seeding material, and b) thermally treating the precursor mixture to form a doped pentasil-type zeolite. This process results in doped pentasil-type zeolites in a shorter crystallization time compared to prior art processes.
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: August 30, 2005
    Assignee: Akzo Novel NV
    Inventor: Rajeev S. Rao
  • Patent number: 6933324
    Abstract: A method for performing a Fischer-Tropsch process using as a catalyst (precursor) an iron-containing layered material selected from the group consisting of layered materials in which iron is present in the layered structure as divalent and/or trivalent metal (group 1), iron-doped layered materials (group 2), calcined iron-doped layered materials (group 3), and calcined layered materials in which iron is present in the layered structure as divalent metal (group 4). The term “layered material” includes anionic clays, layered hydroxy salts, cationic clays, and cationic layered materials.
    Type: Grant
    Filed: August 8, 2003
    Date of Patent: August 23, 2005
    Assignee: Akzo Nobel N.V.
    Inventors: Dennis Stamires, Marieke Paulyne Renate Spee, Erik Jeroen Laheij, Paul O'Connor
  • Patent number: 6930067
    Abstract: The present invention is directed to a process for preparing a catalyst which comprises combining catalyst components or precursors thereof in an aqueous medium to form a catalyst precursor mixture, feeding the mixture to a shaping apparatus, and shaping the mixture to form particles wherein just before the shaping step the mixture is destabilized. It was found that with this process catalysts can be prepared which have both a good attrition resistance and a high accessibility. The invention further relates to catalysts obtainable by this process.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: August 16, 2005
    Assignee: Akzo Nobel NV
    Inventors: Paul O'Connor, Edwin Mark Berends
  • Patent number: 6923904
    Abstract: The invention pertains to a process for reducing the sulfur content of a hydrocarbon feedstock to a value of less than 200 ppm, preferably less than 50 ppm, which comprises subjecting a catalyst comprising a Group VIB metal component, a Group VIII metal component, and an organic additive on a carrier to a sulfidation step, and contacting a feedstock with a 95% boiling point of 450° C. or less and a sulfur content of 500 ppm or less with the sulfided catalyst under conditions of elevated temperature and pressure to form a product with a sulfur content of less than 200 ppm. The organic additive preferably is at least one compound selected from the group of compounds comprising at least two hydroxyl groups and 2-10 carbon atoms, and the (poly)ethers of these compounds.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: August 2, 2005
    Assignee: Akso Nobel N.V.
    Inventors: Frans Lodewijk Plantenga, Franciscus Wilhelmus Van Houtert, Johannes Wilhelmus Maria Sonnemans
  • Patent number: 6903040
    Abstract: The invention pertains to a continuous process for the conversion of inorganic solid starting particles which either are amorphous or possess a degree of order into inorganic solid product particles which (a) when the starting particles are amorphous, possess a degree of order, or (b) when the starting particles possess a degree of order, possess a different order, a different degree of order, or no order, which product particles are suitable for use in or as a catalyst, in or as a carrier, or in or as an adsorbent, in which process the starting particles are dispersed in a liquid thus forming a suspension. The suspension flows through at least two separate conversion vessels (3) which are connected in series and the suspension is agitated in each of these vessels (3). The invention furthermore relates to an apparatus suitable for carrying out the process according to the invention. This invention allows the processing of suspension with a high Solids to Liquid Ratio.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: June 7, 2005
    Assignee: Akzo Nobel NV
    Inventors: Dennis Stamires, Paul O'Connor, Erik Jeroen Laheij, Johannes Wilhelmus Maria Sonnemans
  • Patent number: 6893553
    Abstract: The invention pertains to a hydroprocessing catalyst comprising a Group VIB hydrogenation metal component, a non-noble Group VIII hydrogenation metal component, an alkali metal component, and silica. The catalyst has a specific surface area, total pore volume and pore size distribution. The invention also pertains to the use of this catalyst in hydroprocessing of heavy hydrocarbon feedstocks, e.g, in an ebullated bed process.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: May 17, 2005
    Assignees: Akzo Nobel N.V., Nippon Ketjen Co., Ltd.
    Inventors: Satoshi Abe, Yasuhito Takahashi, Akira Hino, Mark De Boer
  • Patent number: 6887457
    Abstract: A process for the preparation of a composition comprising a pentasil-type zeolite, which process comprises the following steps: a) hydrothermally treating an aqueous slurry comprising an aluminium source, a silicon source, a seeding material, and optionally a divalent metal source, thereby forming a pentasil-type zeolite and at least one other compound, and b) shaping the product of step a). Examples of the at least one other compound are anionic clay, cationic clay, Si—Al cogel, and (pseudo)boehmite.
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: May 3, 2005
    Assignee: Akzo Nobel N.V.
    Inventors: Paul O'Connor, Dennis Stamires
  • Patent number: 6872678
    Abstract: The present invention pertains to a process for activating a catalyst composition comprising at least one hydrogenation metal component of Group VI and/or Group VIII of the Periodic Table, and an S-containing organic additive, wherein the catalyst is contacted with hydrogen at a temperature between room temperature and about 600° C., preferably about 100-450° C., and prior to or during the contacting with hydrogen the catalyst is contacted with an organic liquid. Preferably, the contacting with the organic liquid is carried out prior to the contacting with hydrogen. The organic liquid may be a hydrocarbon with a boiling range of 150-500° C., preferably white oil, gasoline, diesel, or gas oil or mineral lube oil. It was found that the application of an organic liquid prior to or during the hydrogen treatment results in catalysts with an increased activity. The invention also comprises catalyst made by the above process and the use of such catalyst in hydrotreating.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: March 29, 2005
    Assignee: Akzo Nobel N.V.
    Inventor: Sonja Eijsbouts
  • Patent number: 6863974
    Abstract: A non-stick coating formed on a substrate comprising a primer composition and a topcoat composition, wherein the primer composition is between the topcoat composition and substrate. The primer composition comprises at least one heat resistant adhesion promoter. The topcoat composition comprises at least one fluorocarbon resin and at least one heat resistant adhesion promoter other than a fluoropolymer that may be the same or different than the adhesion promoter of the primer composition. There are inorganic inert particles with an average particle size of at least about 10 micrometers contained in the primer composition. The invention includes the method for forming the coating.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: March 8, 2005
    Assignee: Akzo Nobel Coatings International B.V.
    Inventors: Shatish Shah, Henry Padilla
  • Patent number: 6860987
    Abstract: The present invention pertains to a process for the hydroprocessing of hydrocarbon feedstocks wherein said hydrocarbon feedstocks are contacted, at hydroprocessing conditions, with a catalyst composition comprising at least one Group VIII non-noble metal component and at least two Group VIB metal components. The catalyst composition further comprises at least about 0.01 mole of an organic oxygen-containing additive per mole of the total of Group VIB metals and Group VIII non-noble metals present in the catalyst composition. The total of the Group VIII and Group VIB metal components, calculated as oxides, make up at least about 50 wt. % of the catalyst composition, calculated on dry weight.
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: March 1, 2005
    Assignee: Akzo Nobel N.V.
    Inventors: Frans Lodewijk Plantenga, Sonja Eijsbouts, Marinus Bruce Cerfontain
  • Patent number: 6855856
    Abstract: The invention pertains to a process for the alkylation of hydrocarbons wherein a hydrocarbon feedstock and an olefin are contacted with a catalyst at alkylation process conditions. The catalyst comprises a hydrogenation function and a solid acid. The ratio between (i) the volume in catalyst pores with a diameter in the range of about 40-8000 nm and (ii) the specific length of the catalyst particles is in the range of about 0.01-0.90 ml/(g*mm). The catalyst has a total pore volume of at least about 0.20 ml/g and the volume in the catalyst pores with a diameter in the range of about 40-8000 nm is below about 0.30 ml/g.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: February 15, 2005
    Assignee: Akzo Nobel NV
    Inventors: Emanuel Hermanus van Broekhoven, Francisco René Mas Cabré
  • Patent number: 6835364
    Abstract: The present invention provides new compositions of matter, referred to as quasi-crystalline carboxylates (QCCs), their preparation and use. The materials comprise a quasi-crystalline hydrated magnesium-aluminium hydroxy carboxylate and are characterised by the presence of at least a strong reflection in the powder X-ray diffraction pattern at a basal spacing in the range of 5 to 15 Å. The invention further relates to a process for preparing the QCCs, Mg—Al solid solutions and anionic clays under acidic conditions. The QCC is prepared by aging an acidic mixture of a magnesium carboxylate and an aluminium source. Calcination of the QCC results in a Mg—Al solid solution; rehydration of this solid solution gives an anionic clay.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: December 28, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Dennis Stamires, Thomas Joseph Pinnavaia, Michael Brady
  • Patent number: 6828153
    Abstract: The present invention provides a method for testing the accessibility of porous materials with regard to large, often high-molecular weight compounds and correlating said accessibility to the porous material's accessibility under conditions of use, i.e. the application conditions.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: December 7, 2004
    Assignee: Akzo Nobel N.V.
    Inventors: Robert Jan Jonker, Paul O'Connor, Hendrikus Nicolaas Johannes Wijngaards
  • Patent number: 6822130
    Abstract: A catalyst composition comprising an alumina carrier, a Group VIII noble metal, and a halogen compound wherein the catalyst composition has total pore volume of more than 0.48 ml/g and wherein at least 50% of this total pore volume resides in pores with a diameter smaller than 12 nm. This catalyst composition has a higher activity in isomerization reactions, per gram of catalyst and per gram of Group VIII noble metal, than prior art catalyst compositions.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: November 23, 2004
    Assignee: Akzo Nobel N.V.
    Inventor: Pieter Jan Nat