Oxy Containing Reactant Patents (Class 568/403)
  • Patent number: 9403696
    Abstract: The present invention relates to a novel catalyst and a process for a photo-catalytic degradation of ether-based contaminants such as methyl tertiary-butyl ether (MTBE) in water using a visible light source. The catalyst composition demonstrated complete degradation of MTBE at a room temperature in a photo-catalytic reaction conducted using a visible light source.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: August 2, 2016
    Assignee: Umm-Al-Qura University
    Inventors: Zaki S Seddigi, Saleh A Saleh, Shahid P Ansari
  • Publication number: 20150064092
    Abstract: Methods of producing fibrous solid carbon forests include reacting carbon oxides with gaseous reducing agents in the presence of a catalyst having a predetermined grain size to cause growth of fibrous solid carbon forests upon a surface of the metal. The fibrous solid carbon forests are substantially perpendicular to the surface of the metal thus creating the “forests”. A bi-modal forest composition of matter is described in which a primary distribution of fibrous solid carbon comprises the forest and a secondary distribution of fibrous solid carbon is entangled with the primary distribution. A reactor includes a catalyst, a means for facilitating the reduction of a carbon oxide to form solid carbon forests on a surface of the catalyst, and a means for removing the solid carbon forest from the surface of the metal catalyst.
    Type: Application
    Filed: March 15, 2013
    Publication date: March 5, 2015
    Applicant: SEERSTONE LLC
    Inventor: Dallas B. Noyes
  • Patent number: 8853471
    Abstract: Preparation of C4-oxygenates, in particular 2-butanol and butanone, which comprises the reaction of ethene with ethanol to form 2-butanol under conditions under which ethanol is present in the supercritical state.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Stefan Rüdenauer, Klaus Ebel, Marta Porta Garcia
  • Patent number: 8754263
    Abstract: Disclosed are methods for generating propylene glycol, ethylene glycol and other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols from biomass using hydrogen produced from the biomass. The methods involve reacting a portion of an aqueous stream of a biomass feedstock solution over a catalyst under aqueous phase reforming conditions to produce hydrogen, and then reacting the hydrogen and the aqueous feedstock solution over a catalyst to produce propylene glycol, ethylene glycol and the other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols. The disclosed methods can be run at lower temperatures and pressures, and allows for the production of oxygenated hydrocarbons without the need for hydrogen from an external source.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: June 17, 2014
    Assignee: Virent, Inc.
    Inventor: Randy D. Cortright
  • Publication number: 20140148619
    Abstract: Preparation of C4-oxygenates, in particular 2-butanol and butanone, which comprises the reaction of ethene with ethanol to form 2-butanol under conditions under which ethanol is present in the supercritical state.
    Type: Application
    Filed: November 25, 2013
    Publication date: May 29, 2014
    Applicant: BASF SE
    Inventors: Stefan Rüdenauer, Klaus Ebel, Marta Porta Garcia
  • Patent number: 8664450
    Abstract: A process for the manufacture of gamma-delta-unsaturated ketones of formula (R1)(R2)C?CH—CH2—CH2—CO—R3 (I), wherein R1 is methyl or ethyl; R2 is a saturated or unsaturated linear or cyclic hydrocarbon residue and R3 is methyl or ethyl, by reacting a tertiary vinyl carbinol of formula (R1)(R2)C(OH)—CH?CH2 (II) with an isopropenyl methyl or ethyl ether of formula H3C—C(OR3)?CH2 (III) in the pre-sence of an ammonium salt as catalyst.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: March 4, 2014
    Assignee: DSM IP Assets B.V.
    Inventors: Fabrice Aquino, Werner Bonrath, Rolf Kuenzi
  • Patent number: 8581007
    Abstract: The invention is directed towards the reduction of coke formation in furnaces.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: November 12, 2013
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jörg F. W. Weber, James O. Meredith
  • Patent number: 8563781
    Abstract: Ketones of the formula II where A is optionally alkyl-substituted C2-C12-alkanediyl, R1 and R2 are each, independently of one another, C1-C6-alkyl, or R1 and R2 together form optionally alkyl-substituted C3-C10-alkanediyl, and R3 is hydrogen or C1-C6-alkyl, are prepared by reacting a cyclic olefin of the formula I with dinitrogen monoxide to form the ketone of the formula II. The ketone of the formula II can be further hydrogenated to form the saturated ketone of the formula III. Macrocyclic ketones of the formula III, e.g. muscone, are sought after as fragrances.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: October 22, 2013
    Assignee: BASF SE
    Inventors: Michael Schelper, Christoph Stock, Klaus Ebel, Joaquim Henrique Teles, Ralf Pelzer
  • Patent number: 8492595
    Abstract: Disclosed are methods for generating propylene glycol, ethylene glycol and other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols from biomass using hydrogen produced from the biomass. The methods involve reacting a portion of an aqueous stream of a biomass feedstock solution over a catalyst under aqueous phase reforming conditions to produce hydrogen, and then reacting the hydrogen and the aqueous feedstock solution over a catalyst to produce propylene glycol, ethylene glycol and the other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols. The disclosed methods can be run at lower temperatures and pressures, and allows for the production of oxygenated hydrocarbons without the need for hydrogen from an external source.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: July 23, 2013
    Assignee: Virent, Inc.
    Inventor: Randy D. Cortright
  • Patent number: 8471070
    Abstract: The method for catalytic conversion of alcohols according to the present invention using a zinc oxide catalyst comprises a thermal pretreatment stage in an inert and/or reducing atmosphere at a temperature of at least 100° C., prior to the reaction stage.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: June 25, 2013
    Assignees: IFP Energies nouvelles, Centre National de la Recherche Scientifique, Universite de Paris 6—Pierre et Marie Curie Laboratoire Reactivite de Surface
    Inventors: Charlotte Drouilly, Guylene Costentin, Helene Lauron-Pernot, Delphine Bazer-Bachi, Celine Chizallet, Vincent Lecocq
  • Publication number: 20120253079
    Abstract: The invention is directed towards the reduction of coke formation in furnaces.
    Type: Application
    Filed: February 24, 2012
    Publication date: October 4, 2012
    Inventors: Jörg F.W. Weber, James O. Meredith
  • Patent number: 8217203
    Abstract: A process for the preparation of E-farnesyl acetone characterized by reaction of nerolidol with isopropenylmethyl ether in the presence of an acidic catalyst at elevated temperature and isolation by fractionated distillation.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: July 10, 2012
    Assignee: DSM IP Assets B.V.
    Inventors: Werner Bonrath, Rolf Kuenzi
  • Patent number: 8198486
    Abstract: Disclosed are methods for generating propylene glycol, ethylene glycol and other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols from biomass using hydrogen produced from the biomass. The methods involve reacting a portion of an aqueous stream of a biomass feedstock solution over a catalyst under aqueous phase reforming conditions to produce hydrogen, and then reacting the hydrogen and the aqueous feedstock solution over a catalyst to produce propylene glycol, ethylene glycol and the other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols. The disclosed methods can be run at lower temperatures and pressures, and allows for the production of oxygenated hydrocarbons without the need for hydrogen from an external source.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: June 12, 2012
    Assignee: Virent, Inc.
    Inventor: Randy D. Cortright
  • Publication number: 20120136066
    Abstract: A compound of formula (I) R-L-CO—X (I) (wherein R is a C10-24 unsaturated hydrocarbon group optionally interrupted by one or more heteroatoms or groups of heteroatoms selected from S, O, N, SO, SO2, said hydrocarbon group comprising at least 4 non-conjugated double bonds; L is a linking group forming a bridge of 1 to 5 atoms between the R group and the carbonyl CO; and X is an electron withdrawing group) or a salt thereof for use in the treatment of glomerulonephritis.
    Type: Application
    Filed: June 4, 2010
    Publication date: May 31, 2012
    Applicant: AVEXXIN AS
    Inventors: Berit Johansen, Andrea Huwiler
  • Publication number: 20110288342
    Abstract: The method for catalytic conversion of alcohols according to the present invention using a zinc oxide catalyst comprises a thermal pretreatment stage in an inert and/or reducing atmosphere at a temperature of at least 100° C., prior to the reaction stage.
    Type: Application
    Filed: May 6, 2011
    Publication date: November 24, 2011
    Applicants: IFP ENERGIES NOUVELLES, UNIVERSITE DE PARIS 6 - PIERRE ET MARIE CURIE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Charlotte DROUILLY, Guylene Costentin, Helene Lauron-Pernot, Delphine Bazer-Bachi, Celine Chizallet, Vincent Lecocq
  • Publication number: 20110213185
    Abstract: A process for the manufacture of gamma-delta -unsaturated ketones of formula (R1)(R2)C?CH—CH2—CH2—CO—R3 (I), wherein R1 is methyl or ethyl; R2 is a saturated or unsaturated linear or cyclic hydrocarbon residue and R3 is methyl or ethyl, by reacting a tertiary vinyl carbinol of formula (R1)(R2)C(OH)—CH?CH2 (II) with an isopropenyl methyl or ethyl ether of formula H3C—C(OR3)?CH2 (Ill) in the pre-sence of an ammonium salt as catalyst.
    Type: Application
    Filed: September 28, 2009
    Publication date: September 1, 2011
    Inventors: Fabrice Aquino, Werner Bonrath, Rolf Kuenzi
  • Patent number: 7989664
    Abstract: Disclosed are methods for generating propylene glycol, ethylene glycol and other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols from biomass using hydrogen produced from the biomass. The methods involve reacting a portion of an aqueous stream of a biomass feedstock solution over a catalyst under aqueous phase reforming conditions to produce hydrogen, and then reacting the hydrogen and the aqueous feedstock solution over a catalyst to produce propylene glycol, ethylene glycal and the other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols. The disclosed methods can be run at lower temperatures and pressures, and allows for the production of oxygenated hydrocarbons without the need for hydrogen from an external source.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: August 2, 2011
    Assignee: Virent Energy Systems, Inc.
    Inventor: Randy D. Cortright
  • Patent number: 7973199
    Abstract: The present invention provides a technique for producing acetone in a high yield from hydrated ethanol derived from biomass, without requiring a large amount of energy. Hydrated ethanol derived from biomass is heated to a reaction temperature of 400° C. or higher in the presence of a Zr—Fe catalyst, thereby producing acetone. The reaction temperature is preferably from 450 to 550° C., and the Zr—Fe catalyst preferably contains 5 to 10% by mass of Zr. The present invention allows purification of hydrated acetone without requiring purification of the hydrated ethanol.
    Type: Grant
    Filed: August 25, 2010
    Date of Patent: July 5, 2011
    Assignees: Metawater Co., Ltd., National University Corporation Hokkaido University
    Inventors: Takao Masuda, Teruoki Tago, Tetusya Yanase, Hirokazu Tsuboi
  • Publication number: 20110015445
    Abstract: The present invention provides a technique for producing acetone in a high yield from hydrated ethanol derived from biomass, without requiring a large amount of energy. Hydrated ethanol derived from biomass is heated to a reaction temperature of 400° C. or higher in the presence of a Zr—Fe catalyst, thereby producing acetone. The reaction temperature is preferably from 450 to 550° C., and the Zr—Fe catalyst preferably contains 5 to 10% by mass of Zr. The present invention allows purification of hydrated acetone without requiring purification of the hydrated ethanol.
    Type: Application
    Filed: August 25, 2010
    Publication date: January 20, 2011
    Applicants: Metawater Co., Ltd., National University Corporation Hokkaido University
    Inventors: Takao MASUDA, Teruoki TAGO, Tetusya YANASE, Hirokazu TSUBOI
  • Patent number: 7872158
    Abstract: Chemical production processes are provided that can include exposing a reactant composition to a catalyst composition to form a product composition. The reactant composition can include a multihydric alcohol compound and the product composition can include a carbonyl compound. The catalyst composition can include a metal effective to facilitate catalyst activation. Processes disclosed also include supplementing a dehydration catalyst with a promoter, and activating the supplemented catalyst in the presence of oxygen. Processes also include providing a supplemented dehydration catalyst to within a reactor, and exposing a multihydric alcohol compound to the dehydration catalyst, with the exposing forming coke within the reactor. Oxygen can be provided to the reactor to remove at least a portion of the coke.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: January 18, 2011
    Assignee: Battelle Memorial Institute
    Inventors: Thomas H. Peterson, Alan H. Zacher, Michel J. Gray, James F. White, Todd A. Werpy
  • Patent number: 7847129
    Abstract: A method for dehydrogenating primary or secondary alcohols having 1 to 12 carbon atoms to give the corresponding aldehydes or ketones in which the alcohol is brought into contact with a catalytically active composition comprising an active component of the formula PdaBibYcZd, where Y is selected from the group consisting of Co, Rh, Pt, Ag, Au, and Z is selected from the group consisting of Na, Cs, Mg, Ca, Ba, V, Cr, W, Fe, Ni, Cu, Sb where the indices a, b, c and d give the mass ratios of the respective elements to one another, where a=0.1-3, b=0.1-3, c=0-3, d=0-1.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: December 7, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Heiko Urtel, Soo Yin Chin, Thorsten Johann
  • Publication number: 20100280275
    Abstract: Disclosed are methods for generating propylene glycol, ethylene glycol and other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols from biomass using hydrogen produced from the biomass. The methods involve reacting a portion of an aqueous stream of a biomass feedstock solution over a catalyst under aqueous phase reforming conditions to produce hydrogen, and then reacting the hydrogen and the aqueous feedstock solution over a catalyst to produce propylene glycol, ethylene glycal and the other polyols, diols, ketones, aldehydes, carboxylic acids and alcohols. The disclosed methods can be run at lower temperatures and pressures, and allows for the production of oxygenated hydrocarbons without the need for hydrogen from an external source.
    Type: Application
    Filed: July 12, 2010
    Publication date: November 4, 2010
    Inventor: Randy D. Cortright
  • Publication number: 20100204520
    Abstract: A process for the preparation of E-farnesyl acetone characterized by reaction of nerolidol with isopropenylmethyl ether in the presence of an acidic catalyst at elevated temperature and isolation by fractionated distillation.
    Type: Application
    Filed: July 22, 2008
    Publication date: August 12, 2010
    Applicant: DSM IP ASSETS
    Inventors: Werner Bonrath, Rolf Kuenzi
  • Patent number: 7767863
    Abstract: An improved method for the manufacture of MIBK and DIBK from DMK and/or IPA, by reacting, in the presence of an aldol condensation catalyst, a gaseous mixture comprising hydrogen and DMK and/or IPA. The improvement is the use of a reaction pressure greater than 207 kPa (30 psig) to increase the ratio of MIBK to DIBK. In addition a method for the manufacture of MIBK and DIBK by reacting, in the presence of an aldol condensation catalyst, a gaseous mixture consisting essentially of DMK and/or IPA and optionally water.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: August 3, 2010
    Inventors: Jeffrey S. Sawrey, Richard W. Wegman
  • Publication number: 20090306434
    Abstract: An improved method for the manufacture of MIBK and DIBK from DMK and/or IPA, by reacting, in the presence of an aldol condensation catalyst, a gaseous mixture comprising hydrogen and DMK and/or IPA. The improvement is the use of a reaction pressure greater than 207 kPa (30 psig) to increase the ratio of MIBK to DIBK. In addition a method for the manufacture of MIBK and DIBK by reacting, in the presence of an aldol condensation catalyst, a gaseous mixture consisting essentially of DMK and/or IPA and optionally water.
    Type: Application
    Filed: September 26, 2006
    Publication date: December 10, 2009
    Inventors: Jeffrey S. Sawrey, Richard W. Wegman
  • Patent number: 7560598
    Abstract: Cyclic ethers or chloroketones useful as fragrance components or intermediates are made by reacting a saturated, tertiary terpene alcohol with hypochloric acid under conditions effective to promote oxidation. trans-Pinanol gives predominantly 6,9-dimethyl-7-oxatricyclo[4.3.0.03,9]-nonane, while cis-pinanol yields almost exclusively 1-acetyl-3-(2-chloroethyl)-2,2-dimethylcyclobutane, a new and versatile intermediate for making cyclobutane derivatives having interesting and diverse aromas.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: July 14, 2009
    Assignee: Millennium Specialty Chemicals, Inc.
    Inventors: Bernard J. Kane, Mark B. Erman
  • Patent number: 7528286
    Abstract: 4-Chloro-4-alkoxy-1,1,1-trifluoro-2-butanones, prepared by reacting alkyl vinyl ethers with trifluoroacetyl chloride, are useful for preparing 4-alkoxy-1,1,1-trifluoro-3-buten-2-ones.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: May 5, 2009
    Assignee: Dow AgroSciences LLC
    Inventor: Douglas C. Bland
  • Publication number: 20090054695
    Abstract: Chemical production processes are provided that can include exposing a reactant composition to a catalyst composition to form a product composition. The reactant composition can include a multihydric alcohol compound and the product composition can include a carbonyl compound. The catalyst composition can include a metal effective to facilitate catalyst activation. Processes disclosed also include supplementing a dehydration catalyst with a promoter, and activating the supplemented catalyst in the presence of oxygen. Processes also include providing a supplemented dehydration catalyst to within a reactor, and exposing a multihydric alcohol compound to the dehydration catalyst, with the exposing forming coke within the reactor. Oxygen can be provided to the reactor to remove at least a portion of the coke.
    Type: Application
    Filed: August 24, 2007
    Publication date: February 26, 2009
    Inventors: Thomas H. Peterson, Alan H. Zacher, Michel J. Gray, James F. White, Todd A. Werpy
  • Patent number: 7491852
    Abstract: The present invention discloses a novel use of a catalyst with core-porous shell structure, which includes carrying out an oxidation of an alcohol in vapor phase and in the presence of the catalyst with core-porous shell structure to form an aldehyde or ketone, wherein the catalyst with core-porous shell structure is constituted of a core material and a porous shell material. The core material is a metal having a catalytic activity, and the shell material is a porous inorganic oxide.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: February 17, 2009
    Assignee: National Tsing Hua University
    Inventors: Kan-Sen Chou, Chen-Chih Chen
  • Publication number: 20090005603
    Abstract: 4-Chloro-4-alkoxy-1,1,1-trifluoro-2-butanones, prepared by reacting alkyl vinyl ethers with trifluoroacetyl chloride, are useful for preparing 4-alkoxy-1,1,1-trifluoro-3-buten-2-ones.
    Type: Application
    Filed: June 27, 2008
    Publication date: January 1, 2009
    Applicant: Dow AgroSciences LLC
    Inventor: Douglas C. Bland
  • Patent number: 7365217
    Abstract: A process is disclosed for reacting an olefin, hydrogen, and oxygen in a reactor in the presence of an epoxidation catalyst comprising a transition metal zeolite and a noble metal to produce a product stream comprising an epoxide and an alkane. The alkane is separated and oxidized to at least one oxygenated product.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: April 29, 2008
    Assignee: Lyondell Chemical Technology, L.P.
    Inventor: Roger A. Grey
  • Patent number: 7335796
    Abstract: The invention relates to a process for the preparation of a ketone from a tertiary alcohol having a double bond in the alpha position, that includes the step of contacting tertiary alcohol having a double bond in the alpha position with ozone in the presence of an inorganic base under ketone-forming reaction conditions.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: February 26, 2008
    Assignee: Symrise GmbH & Co., KG
    Inventor: Markus Nobis
  • Patent number: 7332632
    Abstract: The method for producing an aldehyde or ketone compound from a corresponding primary or secondary alcohol at relatively high temperature within a short time with a high yield including a step (1) of reacting a sulfoxide compound with an activating agent to produce an activation reaction product; a step (2) of reacting the activation reaction product with a primary or secondary alcohol to produce an alkoxysulfonium salt; and a step (3) of reacting the reaction product with a base to produce an aldehyde or ketone; wherein at least one of the steps, preferably the step (1) and step (2), are carried out by using a microreactor.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: February 19, 2008
    Assignee: Ubē Industries, Ltd.
    Inventors: Kikuo Ataka, Hiroyuki Miyata, Tatsuya Kawaguchi, Junichi Yoshida, Kazuhiro Mae
  • Patent number: 7319172
    Abstract: Methylheptenone (2-methyl-2-hepten-6-one) is prepared by reacting 2-methyl-3-buten-2-ol with isopropenyl methyl ether in the presence of hydrogen tris(oxalato)phosphate or hydrogen bis(oxalato)borate.
    Type: Grant
    Filed: January 27, 2005
    Date of Patent: January 15, 2008
    Assignee: DSM IP Assets B.V.
    Inventors: Fabrice Aquino, Werner Bonrath, Aljosa Crevatin
  • Patent number: 7109379
    Abstract: An oily solution of water-insoluble aliphatic alcohol is allowed to react with an aqueous hydrogen peroxide solution in the presence of a catalyst containing a metal compound belonging to Group 8 to 10 of the Periodic Table in a heterogeneous solution system. As a result, a carbonyl compound can be produced from an aqueous hydrogen peroxide solution under mild conditions in high yield. Also, the reaction operation is simple and easy, a step for removing solvent after completion of the reaction is not necessary and influence and toxicity upon the environment and human body are markedly small. Thus, a carbonyl compound can be produced safely, simply and efficiently.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: September 19, 2006
    Assignee: National Institute of Advanced Industrial Science and Technology
    Inventors: Kazuhiko Sato, Youko Usui
  • Patent number: 7030279
    Abstract: An alcohol can be oxidized by a process in which a primary or secondary alcohol are reacted with an oxygen-containing gas in the presence of a catalyst composition containing (i) a stable free nitroxyl radical derivative, (ii) a nitrate source, (iii) a bromide source, and (iiii) a carboxylic acid, thereby obtaining an aldehyde or a ketone.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: April 18, 2006
    Assignee: Degussa AG
    Inventors: Setrak Tanielyan, Robert Augustine, Oliver Meyer, Michael Korell
  • Patent number: 7030280
    Abstract: The present invention provides a process for producing an optically active ?-trifluoromethyl-?-hydroxycarbonyl compound represented by formula (3): comprising a step of reacting a fluoral equivalent represented by formula (1): with a carbonyl compound represented by formula (2): in the presence of an optically active amino acid or a derivative thereof.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: April 18, 2006
    Assignee: Central Glass Company, Limited
    Inventors: Kazumasa Funabiki, Hitoshi Yamamoto, Masashi Nagamori, Masaki Matsui
  • Patent number: 6995291
    Abstract: The present invention relates to the field of organic synthesis and more precisely to a process for the synthesis of an unsaturated aldehyde or ketone by oxidation of the corresponding alcohol. The oxidation is performed by a hypochlorite salt and a catalytic amount of a N-(2,2,6,6-tetraalkyl-4-piperidinyl-N-oxyl)-2-amino-1,3,5-triazine compound, preferably a N-oxyl derivative of one of the polymers known under the trademark Chimassorb® 944 or 2020.
    Type: Grant
    Filed: September 22, 2003
    Date of Patent: February 7, 2006
    Assignee: Firmenich SA
    Inventor: Eric Walther
  • Patent number: 6867307
    Abstract: Intermediate compounds which can be used in the preparation of phytone and Vitamin E, a process for the preparation thereof, and a process for the preparation of phytone and Vitamin E from these intermediate compounds.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: March 15, 2005
    Assignee: Adisseo France S.A.S.
    Inventors: Jean-Erick Ancel, Pierre Meilland
  • Patent number: 6818587
    Abstract: The invention relates to double-metal cyanide (DMC) catalysts for preparing polyether polyols by the polyaddition of alkylene oxides on to starter compounds containing active hydrogen atoms, wherein the DMC catalysts are composed of: a) at least one DMC compound; b) at least one organic complexing ligand which is not a cyclic polyol; and c) at least one cyclic polyol. The DMC catalysts of the present invention have increased activity compared to known catalyst.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: November 16, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Walter Schäfer, Jörg Hofmann, Pieter Ooms
  • Publication number: 20040097760
    Abstract: The present invention provides a process for treating a stream, say, an olefins stream, e.g., propylene, containing at least one ether, e.g., dimethyl ether, and/or at least one of an alkyne and an alkadiene, e.g., methyl acetylene and propadiene, typically present as impurities. The process comprises: contacting the stream with a metal-containing catalyst, e.g., palladium supported on alumina, under conditions sufficient to convert the ether and the at least one of an alkyne and an alkadiene to provide a product stream having a reduced impurities content.
    Type: Application
    Filed: November 15, 2002
    Publication date: May 20, 2004
    Inventors: Michael A. Risch, John Di-Yi Ou
  • Publication number: 20040014985
    Abstract: A method separates a reaction product from an imide compound catalyst represented by Formula (1) or an altered derivative thereof in a reaction mixture obtained as a result of a reaction in the presence of the imide compound catalyst by performing an extraction process using two organic solvents separable from each other to thereby separate the reaction product into one organic solvent layer and the imide compound catalyst or an altered derivative thereof into the other organic solvent layer, respectively: 1
    Type: Application
    Filed: May 1, 2003
    Publication date: January 22, 2004
    Inventor: Michihiro Sugahara
  • Patent number: 6670509
    Abstract: A process for oxygenating organic substrates such as aliphatic hydrocarbons has been developed. The process involves contacting the organic substrate with oxygen in the presence of a bicyclo imide promoter and a metal co-catalyst. The process is preferably carried out using sulfolane as the solvent. Optionally, the oxygenated product can be hydrogenated to give the corresponding alcohol which can optionally in turn be dehydrated to provide the corresponding olefin.
    Type: Grant
    Filed: April 11, 2002
    Date of Patent: December 30, 2003
    Assignee: UOP LLC
    Inventors: Paul R. Kurek, David W. House
  • Patent number: 6639112
    Abstract: The invention concerns a method for preparing ketones of formula (I) wherein A and B are as defined in claim 1, consisting of reacting at a temperature ranging between 250 and 500° C. a compound of formula (II): A—X with a compound of formula (III): B—Y, wherein A, B, X and Y are as defined in claim 1, in a coolant solvent having a boiling point higher than 250 ° C.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: October 28, 2003
    Assignee: Rhodia Chimie
    Inventor: Michel Alas
  • Patent number: 6562311
    Abstract: The invention concerns a method for preparing methyl ethyl ketone azine which consists in: (a) reacting ammonia, hydrogen peroxide and methyl ethyl ketone in the presence of a working solution to form an azine; (b) separating the working solution and the azine possibly containing methyl ethyl ketone which has not reacted and butanol-2; (c) recycling the working solution to step (a) after optional treatment; (d) separating the methyl ethyl ketone and the butanol-2 from the azine. The butanol-2 of the flow in step (d) is either purged or dehydrogenated in MEK and recycled at step (a).
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: May 13, 2003
    Assignee: Atofina
    Inventors: Jean-Pierre Schirmann, Paul Bourdauducq
  • Publication number: 20030073871
    Abstract: An alcohol is oxidized to an aldehyde or a ketone in the presence of a nitroxyl compound as catalyst, wherein the alcohol to be oxidized is contained in an organic liquid phase, and is reacted in the presence of a nitroxyl compound with an aqueous phase comprising an oxidant. The reaction is carried out continuously at a contact time of the phases of from 0.1 s to a maximum of 15 minutes, with intensive mixing of the phases. The process produces high yields with low quantities of other oxidation byproducts.
    Type: Application
    Filed: October 4, 2002
    Publication date: April 17, 2003
    Inventors: Elke Fritz-Langhals, Juergen Stohrer, Hermann Petersen
  • Patent number: 6512144
    Abstract: Processes for oxidizing hydrocarbons using a new family of crystalline manganese phosphate compositions have been developed. These compositions have an extended network which network can be a one-, two-, or three-dimensional network. The composition has an empirical formula of: (Aa+)v(Mnb+)(Mc+)xPyOz where A is a structure directing agent such as an alkali metal, M is a metal such as Al, Fe3+ and “b” is the average manganese oxidation state and varies from greater than 2.0 to a maximum of 3.0. Specific oxidation processes are oxidative dehydrodimerization and oxidative dehydrogenation.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: January 28, 2003
    Assignee: UOP LLC
    Inventors: Gregory J. Lewis, Paula L. Bogdan, Feng Xu, Joseph A. Kocal
  • Patent number: 6441243
    Abstract: The invention relates to a process for the selective oxidation of alcohols to ketones or to aldehydes by means of an alkali hypohalite under alkaline conditions, which comprises carrying out the oxidation in the presence of a heterogeneous oxidation catalyst that is insoluble in the reaction medium and is selected from the group comprising the compounds of formula (I) (III), wherein n is a number from 3 to 3000; or a 4-oxy-2,2,6,6-tetramethylpiperidin-1-oxyl that is 4-oxy-bound to a Merrifield polymer. The invention relates also to the compounds of formulae (II) and (III) and to the use of the above-mentioned oxidation catalysts for the oxidation of alcohols.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: August 27, 2002
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Reinhard Sommerlade, Hansjörg Grützmacher, Souâd Boulmaâz
  • Patent number: 6306364
    Abstract: A new family of stannosilicate molecular sieves which have the zeolite beta structure are disclosed. These molecular sieves have a three dimensional framework structure composed of SnO2 and SiO2 tetrahedral oxide units and at least one of TiO2 or GeO2 tetrahedral oxide units and have an empirical formula of: (SnxTiySi1-x-y-zGez)2 where “x”, “y” and “z” are the mole fractions of tin, titanium and germanium respectively (“y” and “z” are not simultaneously zero). Processes for the selective oxidation of organic compounds with peroxides using the molecular sieves as catalysts is also presented.
    Type: Grant
    Filed: September 28, 1999
    Date of Patent: October 23, 2001
    Assignee: UOP LLC
    Inventors: Susana Valencia Valencia, Avelino Corma Canós
  • Patent number: 6300523
    Abstract: This invention is intended to provide a method for producing pinacoline by means of pinacol rearrangement in supercritical water, which affords an extremely high reaction rate without the addition of high concentrations of acid, and this invention is directed to a method for increasing the reaction rate during organic synthesis by utilizing the supply of protons from water under noncatalytic conditions in supercritical water, a method of pinacol rearrangement comprising the production of pinacoline by pinacol rearrangement under noncatalytic conditions without the addition of an acid catalyst in supercritical water, and a method of synthesis comprising the production of cyclic compounds from pinacol under noncatalytic conditions without the addition of an acid catalyst around the critical point (375 to 380° C., 22.5 to 25 MPa) in supercritical water.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: October 9, 2001
    Assignee: Agency of Industrial Science and Technology
    Inventors: Yutaka Ikushima, Osamu Sato