Cobalt Containing Catalyst Patents (Class 554/136)
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Patent number: 9822056Abstract: A process for preparing a carboxylic acid, including a step of bringing at least one vicinal diol or at least one vicinal polyol into contact with an atmosphere including oxygen, and a catalyst, and in the absence of additional solvent.Type: GrantFiled: December 24, 2014Date of Patent: November 21, 2017Assignees: Avril, Oleon SA, Centre National de la Recherche Scientifique (CNRS), Université Claude Bernard Lyon 1Inventors: Marc Lemaire, Estelle Metay, Marc Sutter, Yann Raoul, Eric Da Silva, Sophie Sambou, Philippe Blach
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Patent number: 9359280Abstract: A process for preparing a carboxylic acid, by oxidative cleavage of at least one vicinal diol, or an epoxide, wherein the reaction is carried out in the presence of a catalyst and of an oxidizing agent and in the absence of solvent.Type: GrantFiled: July 30, 2013Date of Patent: June 7, 2016Assignees: SOCIETE INTEROLEAGINEUSE D'ASSISTANCE ET DE DEVELOPPEMENT, UNIVERSITE CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, OLEONInventors: Marc Lemaire, Estelle Metay, Marc Sutter, Julien Debray, Yann Raoul, Nicolas Duguet
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Publication number: 20150073162Abstract: Provided is a continuous process for the oxidative cleavage of derivatives of unsaturated carboxylic acids for the production of saturated carboxylic acids and their derivatives which comprises the steps of: a) feeding to a first reactor at least a derivative of an unsaturated carboxylic acid, an oxidizing compound and a catalyst capable of catalyzing the oxidation reaction of the olefinic double bond to obtain an intermediate compound containing vicinal diols, and of b) feeding to a second reactor said intermediate compound, a compound containing oxygen and a catalyst capable of catalyzing the oxidation reaction of the vicinal diols to carboxylic groups, to obtain saturated monocarboxylic acids (i) and derivatives of saturated carboxylic acids with more than one acid function (ii); c) separating the saturated monocarboxylic acids (i) from the derivatives of carboxylic acids having more than one acid function (ii).Type: ApplicationFiled: August 26, 2014Publication date: March 12, 2015Inventors: Arno Bieser, Giampietro Borsotti, Francesca Digioia, Adriano Ferrari, Alessandro Pirocco
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Patent number: 8846962Abstract: There is described a continuous process for the oxidative cleavage of derivatives of unsaturated carboxylic acids for the production of saturated carboxylic acids and their derivatives comprising the steps of: a) feeding to a first reactor at least a derivative of an unsaturated carboxylic acid, an oxidizing compound and a catalyst capable of catalyzing the oxidation reaction of the olefinic double bond to obtain an intermediate compound containing vicinal diols, and of b) feeding to a second reactor said intermediate compound, a compound containing oxygen and a catalyst capable of catalyzing the oxidation reaction of the vicinal diols to carboxylic groups, to obtain saturated monocarboxylic acids (i) and derivatives of saturated carboxylic acids with more than one acid function (ii); c) separating the saturated monocarboxylic acids (i) from the derivatives of carboxylic acids having more than one acid function (ii).Type: GrantFiled: December 29, 2010Date of Patent: September 30, 2014Assignee: Novamont S.p.A.Inventors: Arno Bieser, Giampietro Borsotti, Francesca Digioia, Adriano Ferrari, Alessandro Pirocco
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Patent number: 8835662Abstract: There is described a continuous process for the oxidative cleavage of vegetable oils containing triglycerides of unsaturated carboxylic acids, for the obtainment of saturated carboxylic acids, comprising the steps of: a) feeding to a first continuous reactor at least a vegetable oil, an oxidizing compound and a catalyst capable of catalyzing the oxidation reaction of the olefinic double bond to obtain an intermediate compound containing vicinal diols, and of b) feeding to a second continuous reactor said intermediate compound, a compound containing oxygen and a catalyst capable of catalyzing the oxidation reaction of the vicinal diols to carboxylic groups, to obtain saturated monocarboxylic acids (i) and triglycerides containing saturated carboxylic acids with more than one acid function (ii); c) separating the saturated monocarboxylic acids (i) from the triglycerides having more than one acid function (ii).Type: GrantFiled: December 29, 2010Date of Patent: September 16, 2014Assignee: Novamont S.p.A.Inventors: Arno Bieser, Giampietro Borsotti, Francesca Digioia, Adriano Ferrari, Alessandro Pirocco
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Publication number: 20130066090Abstract: A method for producing a high viscosity, low volatiles blown stripped plant-based oil is provided. The method may include the steps of: (i) obtaining a plant-based oil; (ii) heating the oil to at least 90° C.; (iii) passing air through the heated oil to produce a blown oil having a viscosity of at least 50 cSt at 40° C.; (iv) stripping the blown oil from step (iii) to reduce an acid value of the blown oil to from 5 mg KOH/g to about 9 mg KOH/g; (v) adding a polyol to the stripped oil from (iv); and (vi) stripping the oil from step (v) to reduce the acid value of the oil to less than 5.0 mg KOH/g or less.Type: ApplicationFiled: May 20, 2011Publication date: March 14, 2013Applicant: Cargill, IncorporatedInventors: Michael John Hora, Patrick Thomas Murphy
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Publication number: 20120323028Abstract: There is described a continuous process for the oxidative cleavage of vegetable oils containing triglycerides of unsaturated carboxylic acids, for the obtainment of saturated carboxylic acids, comprising the steps of: a) feeding to a first continuous reactor at least a vegetable oil, an oxidizing compound and a catalyst capable of catalyzing the oxidation reaction of the olefinic double bond to obtain an intermediate compound containing vicinal diols, and of b) feeding to a second continuous reactor said intermediate compound, a compound containing oxygen and a catalyst capable of catalyzing the oxidation reaction of the vicinal diols to carboxylic groups, to obtain saturated monocarboxylic acids (i) and triglycerides containing saturated carboxylic acids with more than one acid function (ii); c) separating the saturated monocarboxylic acids (i) from the triglycerides having more than one acid function (ii).Type: ApplicationFiled: December 29, 2010Publication date: December 20, 2012Applicant: Novamont S.p.A.Inventors: Arno Bieser, Giampietro Borsotti, Francesca Digioia, Adriano Ferrari, Alessandro Pirocco
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Patent number: 8222438Abstract: Process for the production of saturated monocarboxylic acids and triglycerides of saturated carboxylic acids having more than one acid functionstarting from non-modified vegetable oils containing triglycerides of unsaturated fattyacids, comprising the oxidative cleavage of the unsaturated fatty acids.Type: GrantFiled: May 9, 2008Date of Patent: July 17, 2012Assignee: Novamont S.p.A.Inventors: Catia Bastioli, Giampietro Borsotti, Alessandra Merlin, Tiziana Milizia
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Patent number: 7812186Abstract: A process for the production of carboxylic acids and their derivatives comprising the steps of: (c) reacting a derivative of an unsaturated fatty acid with an oxidizing compound in the presence of a catalyst capable of catalysing the reaction of oxidation of the double olefinic bond of the derivative of the unsaturated fatty acid so as to obtain as intermediate product of reaction a vicinal diol; and (d) reacting said intermediate compound with oxygen, or a compound containing oxygen, in the presence of a catalyst capable of catalysing the reaction of oxidation of the hydroxyl groups of the vicinal diol to carboxylic groups, characterized in that both of the steps (a) and (b) are carried out in the absence of added organic solvent and in that the water/diol ratio in the reaction of step (b) is less than 1:1.Type: GrantFiled: September 21, 2006Date of Patent: October 12, 2010Assignee: Novamont S.p.A.Inventors: Catia Bastioli, Tiziana Milizia, Giampietro Borsotti
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Patent number: 5122308Abstract: The instant invention relates to a process for the oxidation of primary alcohols to the corresponding acids, which comprises contacting and thereby reacting an alcohol with a tertiary amine oxide compound at elevated temperatures in the presence of a homogeneous oxidation catalyst comprising a Group VIII metal and a promoter comprising a quaternary ammonium bromide, and subsequently separating out acids from the reaction mixture product.Type: GrantFiled: July 13, 1990Date of Patent: June 16, 1992Assignee: Shell Oil CompanyInventors: Tamal K. Dutta, Lynn H. Slaugh
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Patent number: 5122307Abstract: The instant invention relates to a process for the oxidation of primary alcohols to the corresponding acids, which comprises contacting and thereby reacting an alcohol with oxygen and a tertiary amine oxide compound at elevated temperatures in the presence of a heterogeneous catalyst comprising a Group VIII metal supported on an inert porous support and a promoter comprising a quaternary ammonium bromide, and subsequently separating out acids from the reaction mixture product.Type: GrantFiled: July 13, 1990Date of Patent: June 16, 1992Assignee: Shell Oil CompanyInventors: Tamal K. Dutta, Lynn H. Slaugh