Patents by Inventor Patrick Notté
Patrick Notté has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10464958Abstract: The present invention is related to a new method for the synthesis of alpha-aminoalkylenephosphonic acid or its phosphonate esters comprising the steps of forming a reaction mixture by mixing a P—O—P anhydride moiety comprising compound, having one P-atom at the oxidation state (+III) and the other P-atom at the oxidation state (+III) or (+V), an aminoalkanecarboxylic acid and an acid catalyst, wherein said reaction mixture comprises an equivalent ratio of alpha-aminoalkylene carboxylic acid to P—O—P anhydride moieties of at least 0.2, and recovering the resulting alpha-aminoalkylene phosphonic acid compound or an ester thereof from the reaction mixture.Type: GrantFiled: December 20, 2017Date of Patent: November 5, 2019Assignee: Monsanto Technology LLCInventors: Patrick Notte, Samuel Cogels, Sebastian Burck
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Patent number: 10364262Abstract: A method for synthesis of N-phosphonoalkyliminodiacetic acid or derivatives thereof by forming a reaction mixture having an acid catalyst, a compound of the following general formula R1—CH2—NX—CH2—R2 and a compound having one or more P—O—P anhydride moieties to form a compound having a formula R1—CH2—N(—CH2PO3R32)(—CH2—R2) wherein in R1—CH2—NX—CH2—R2: X is —CH2—OH or —CH2—COOH; R1 and R2 are independently selected from the group consisting of nitrile, C1-C4 alkyl carboxylate, and carboxylic acid for when X is —CH2—OH, or R1 and R2 are both carbonyl groups linked by a hydrogen substituted nitrogen atom or a C1-C4-alkyl substituted nitrogen atom; and R3 is H, an alkyl group, or an aryl group; the anhydride moieties in the P—O—P anhydride compound have one P atom at the oxidation state (+III) and one P atom at the oxidation state (+III) or (+V); and 2) hydrolyzing the mixture to form N-phosphonomethyliminodiacetic acid or one of its derivatives.Type: GrantFiled: July 17, 2013Date of Patent: July 30, 2019Assignee: Monsanto Technology LLCInventors: Albert Devaux, Sebastian Burck, Patrick Notte
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Patent number: 10280189Abstract: A method for the synthesis of an aminoalkylenephosphonic acid or its phosphonate esters including the following steps: a) forming, in the presence of an aldehyde or ketone and an acid catalyst, a reaction mixture by mixing a compound having at least one HNR1R2 moiety or a salt thereof, with a compound having one or more P—O—P anhydride moieties, the moieties having one P atom at the oxidation state (+III) and one P atom at the oxidation state (+III) or (+V), wherein the ratio of moles of aldehyde or ketone to N—H moieties is 1 or more and wherein the ratio of N—H moieties to P—O—P anhydride moieties is 0.3 or more, and b) recovering the resulting aminoalkylenephosphonic acid having compound or its phosphonate esters.Type: GrantFiled: July 17, 2013Date of Patent: May 7, 2019Assignee: Monsanto Technology LLCInventors: Sebastian Burck, Cedric Nicolas Leclercq, Patrick Notte
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Publication number: 20180346497Abstract: The present invention is related to a new method for the synthesis of alpha-aminoalkylenephosphonic acid or its phosphonate esters comprising the steps of forming a reaction mixture by mixing a P—O—P anhydride moiety comprising compound, having one P-atom at the oxidation state (+III) and the other P-atom at the oxidation state (+III) or (+V), an aminoalkanecarboxylic acid and an acid catalyst, wherein said reaction mixture comprises an equivalent ratio of alpha-aminoalkylene carboxylic acid to P—O—P anhydride moieties of at least 0.2, and recovering the resulting alpha-aminoalkylene phosphonic acid compound or an ester thereof from the reaction mixture.Type: ApplicationFiled: December 20, 2017Publication date: December 6, 2018Applicant: Monsanto Technology LLCInventors: Patrick Notte, Samuel Cogels, Sebastian Burck
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Patent number: 9676799Abstract: A method for the synthesis of N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters, or its phosphonate ester salts, which includes the steps of: a) forming, in the presence an acid catalyst, a reaction mixture having 2,5-diketopiperazine, formaldehyde and a compound including one or more P-0-P anhydride moieties, the moieties having one P atom at the oxidation state (+III) and the other P atom at the oxidation state (+III) or (+V), to form N,N?-bisphosphonomethyl-2,5-diketopiperazine, its mono- to tetra phosphonate esters, the dehydrated forms of N,N?-bisphosphonomethyl-2,5-diketopiperazine and the phosphonate esters of its dehydrated forms; and b) hydrolyzing the N,N?-bisphosphonomethyl-2,5-diketopiperazine, its dehydrated forms or their phosphonate esters to obtain N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters and its phosphonate ester salts.Type: GrantFiled: July 17, 2013Date of Patent: June 13, 2017Assignee: STRAITMARK HOLDING AGInventors: Sebastian Burck, Frederic Bruyneel, Patrick Notte
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Patent number: 9376650Abstract: A method for securing the use of an aqueous medium under any substantial exclusion of metal ion interference is disclosed. A phosphonic acid compound containing: a selected phosphonate moiety and a moiety selected from a limited number of species; or hydrocarbon chains containing aminoalkylene phosphonic acid substituents; or alkylamino alkylene phosphonic acids containing an active moiety embodying N, O, and S. The technology can, by way of illustration, be used in numerous applications including secondary oil recovery, scale inhibition, industrial water treatment, paper pulp bleaching, dispersant treatment, sequestering application, brightness reversion avoidance and paper pulp treatment.Type: GrantFiled: January 21, 2009Date of Patent: June 28, 2016Assignee: ITALMATCH CHEMICALS SPAInventors: Patrick Notte, Tessa Johnson, Albert Devaux
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Patent number: 9315528Abstract: An improved method for the manufacture of phosphonoalkyl iminodiacetic acid M2PO3—X—N—(CH2COOM)2 wherein X is a C1-6 linear or branched alkyl group; and M is selected from hydrogen, alkali, earth-alkali, ammonium and protonated amine is disclosed. The iminodiacetic acid starting material is reacted with a substantially stoichiometric amount of phosphorous acid, in the presence of a large excess of phosphoric acid to thereby yield a reaction medium insoluble reaction product (PAI-DA) which can be separated from the reaction medium. In a particularly preferred approach, the phosphorous acid is prepared in situ starting from liquid P4O6.Type: GrantFiled: October 27, 2010Date of Patent: April 19, 2016Assignee: Straitmark Holding AGInventors: Patrick Notté, David Lemin, Cedric Nicolas Pirard
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Patent number: 9150599Abstract: A method for the synthesis of N-(phosphonomethyl) glycine or one of its derivatives selected from the group of its salts, its phosphonate esters and its phosphonate ester salts, including the steps of: a) forming a reaction mixture having an acid catalyst, N,N?-bis(carboxymethyl)-2,5-diketopiperazine and a compound having one or more P—O—P anhydride moieties, wherein the moieties have one P atom at the oxidation state (+III) and the other P atom at the oxidation state (+III) or (+V), to form N,N?-bis(phosphonomethyl)-2,5-diketopiperazine, its dehydrated forms or their phosphonate esters; b) hydrolyzing the reaction mixture to form N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters and its phosphonate ester salts.Type: GrantFiled: July 17, 2013Date of Patent: October 6, 2015Assignee: STRAITMARK HOLDING AGInventors: Sebastian Burck, Patrick Notte
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Publication number: 20150232493Abstract: A method for the synthesis of alpha-aminoalkylenephosphonic acid or its phosphonate esters including the steps of forming a reaction mixture by mixing a P—O—P anhydride moiety including a compound, having one P-atom at the oxidation state (+III) and the other P-atom at the oxidation state (+III) or (+V), an aminoalkanecarboxylic acid and an acid catalyst, wherein the reaction mixture includes an equivalent ratio of alpha-aminoalkylene carboxylic acid to P—O—P anhydride moieties of at least 0.2, and recovering the resulting alpha-aminoalkylene phosphonic acid compound or an ester thereof from the reaction mixture.Type: ApplicationFiled: July 17, 2013Publication date: August 20, 2015Inventors: Patrick Notte, Samuel Cogels, Sebastian Burck
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Publication number: 20150225431Abstract: A method for the synthesis of an aminoalkylenephosphonic acid or its phosphonate esters including the following steps: a) forming, in the presence of an aldehyde or ketone and an acid catalyst, a reaction mixture by mixing a compound having at least one HNR1R2 moiety or a salt thereof, with a compound having one or more P—O—P anhydride moieties, the moieties having one P atom at the oxidation state (+III) and one P atom at the oxidation state (+III) or (+V), wherein the ratio of moles of aldehyde or ketone to N—H moieties is 1 or more and wherein the ratio of N—H moieties to P—O—P anhydride moieties is 0.3 or more, and b) recovering the resulting aminoalkylenephosphonic acid having compound or its phosphonate esters.Type: ApplicationFiled: July 17, 2013Publication date: August 13, 2015Inventors: Sebastian Burck, Cedric Leclercq, Patrick Notte
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Publication number: 20150175636Abstract: A method for the synthesis of N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters, or its phosphonate ester salts, which includes the steps of: a) forming, in the presence an acid catalyst, a reaction mixture having 2,5-diketopiperazine, formaldehyde and a compound including one or more P-0-P anhydride moieties, the moieties having one P atom at the oxidation state (+III) and the other P atom at the oxidation state (+III) or (+V), to form N,N?-bisphosphonomethyl-2,5-diketopiperazine, its mono- to tetra phosphonate esters, the dehydrated forms of N,N?-bisphosphonomethyl-2,5-diketopiperazine and the phosphonate esters of its dehydrated forms; and b) hydrolysing the N,N?-bisphosphonomethyl-2,5-diketopiperazine, its dehydrated forms or their phosphonate esters to obtain N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters and its phosphonate ester salts.Type: ApplicationFiled: July 17, 2013Publication date: June 25, 2015Inventors: Sebastian Burck, Frederic Bruyneel, Patrick Notte
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Publication number: 20150175635Abstract: The present invention is related to a new method for the synthesis of N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters and its phosphonate ester salts, comprising the steps of: a) forming a reaction mixture comprising an acid catalyst, N,N?-bis(carboxymethyl)-2,5-diketopiperazine and a compound comprising one or more P—O—P anhydride moieties, wherein said moieties comprise one P atom at the oxidation state (+111) and the other P atom at the oxidation state (+111) or (+V), to form N,N?-bis(phosphonomethyl)-2,5-diketopiperazine, its dehydrated forms or their phosphonate esters; b) hydrolyzing the reaction mixture to form N-(phosphonomethyl)glycine or one of its derivatives selected from the group consisting of its salts, its phosphonate esters and its phosphonate ester salts.Type: ApplicationFiled: July 17, 2013Publication date: June 25, 2015Applicant: STRAITMARK HOLDING AGInventors: Sebastian Burck, Patrick Notte
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Publication number: 20150166584Abstract: A method for synthesis of N-phosphonoalkyliminodiacetic acid or derivatives thereof by: 1) forming a reaction mixture having an acid catalyst, a compound having the general formula R1—CH2—NX—CH2—R2 and a compound having one or more P—O—P anhydride moieties, to form a compound having the general formula R1—CH2—N—CH2(PO3H2)—CH2—R2, its dehydrated forms or their derivatives, wherein the compound of the formula R1—CH2—NX—CH2—R2 is characterized in that: X is —CH2—OH or —CH2—COOH; and R1 and R2 are independently selected from the group consisting of nitrile, C1-C4 alkyl carboxylate, or are both carbonyl groups linked by a hydrogen substituted nitrogen atom or a C1-C4-akyl substituted nitrogen atom; the P—O—P anhydride compound is characterized in that the anhydride moieties have one P atom at the oxidation state (+III) and one P atom at the oxidation state (+III) or (+V); and 2) hydrolysing the reaction mixture to form N-phosphonomethyliminodiacetic acid or one of its derivatives.Type: ApplicationFiled: July 17, 2013Publication date: June 18, 2015Inventors: Albert Devaux, Sebastian Burck, Patrick Notte
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Patent number: 8884053Abstract: A method for the manufacture of amino alkylene phosphonic acids is disclosed. Pure P4O6 is hydrolyzed in the presence of a homogeneous Broensted acid catalyst whereby the pH of the reaction medium is maintained below 5 and the free water content of said reaction medium is, after the P4O6 hydrolysis has been completed, from 0 to 40%. The required amine component can be added before, during, or in one preferred execution, after the P4O6 hydrolysis has been completed. Formaldehyde is then added and the reaction mixture containing the P4O6 hydrolysate, the amine and the formaldehyde is reacted in presence of a Broensted acid catalyst selected from homogeneous and heterogeneous species. The amino alkylene phosphonic acid reaction product can then be recovered in a manner known per sé.Type: GrantFiled: April 25, 2009Date of Patent: November 11, 2014Assignee: Straitmark Holding AGInventors: Patrick Notté, Albert Devaux
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Patent number: 8829222Abstract: A process for the manufacture of dialkyl phosphites is disclosed. In detail, dialkyl phosphites are prepared starting from P4O6, or partially hydrated species thereof cumulatively P—O, by reacting specific molar ratios of alcohol and P—O, containing from 1 to 6 P—O—P bonds in the molecule, in the presence of trialkylphospite (TAP) to thus yield high purity and high yield of dialkyl phosphites. The P—O reactant is preferably represented by liquid P4O6.Type: GrantFiled: May 28, 2010Date of Patent: September 9, 2014Assignee: Straitmark Holding AGInventors: Patrick Notté, Albert Devaux
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Patent number: 8802883Abstract: A method for the manufacture of dialkyl phosphites is disclosed wherein a P—O component containing from 1 to 6 P—O—P bonds in the molecule is reacted with an alcohol and a carboxylic acid ester having from 1 to 6 carbon atoms in the alkyl group and from 5 to 20 carbon atoms in the esterifying alkyl group of the ester. The dialkyl phosphites are formed under simultaneous removal by distillation of the carboxylic acid formed.Type: GrantFiled: May 28, 2010Date of Patent: August 12, 2014Assignee: Straitmark Holding AGInventors: Patrick Notté, Albert Devaux
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Patent number: 8779135Abstract: The technology of this invention concerns a method for the manufacture of hydroxy diphosphonic acids containing an amino moiety. The method specifically involves reacting a liquid P4O6 with an aminocarboxylic acid in the presence of a sulfonic acid. The aminocarboxylic acid is selected from 3 structurally different compounds. The amino hydroxy diphosphonic acids can be synthesized with high selectivity and purity and the unreacted starting raw materials can easily and conveniently be recirculated.Type: GrantFiled: October 4, 2010Date of Patent: July 15, 2014Assignee: Straitmark Holding AGInventors: Samuel Corentin Cogels, David Lemin, Patrick Notté
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Patent number: 8728427Abstract: A method for the manufacture of concentrated phosphorous acid starting from pure P4O6 is disclosed. The P4O6 is hydrolyzed, preferably under stirring in water in the presence of a homogeneous Broensted acid catalyst while maintaining in the hydrolysis/reaction medium a pH below 5 whereby the free water level, at the completion of the hydrolysis, is in the range from 0 to 40%.Type: GrantFiled: April 24, 2009Date of Patent: May 20, 2014Assignee: Straitmark Holding AGInventors: Patrick Notté, Albert Devaux
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Patent number: 8551931Abstract: Surface treatment compositions containing selected phosphonic acid compounds are disclosed. The compositions contain major levels of surface-active agents in combination with additive levels of the phosphonic acid compounds, and, in accordance with needs and objectives, conventional optional ingredients and additive agents. The inventive compositions can provide significant performance benefits, among others novel synergies and eminently desirable regulatory and environmental acceptability.Type: GrantFiled: January 21, 2009Date of Patent: October 8, 2013Assignee: Dequest AGInventors: Patrick Notte, Albert Devaux, Luc Feyt
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Patent number: 8505626Abstract: Novel aminoacid alkylphosphonic acid compounds are disclosed. These compounds can be used in multiple applications, in particular in a scale inhibitor functionality in aqueous systems, including in marine oil recovery.Type: GrantFiled: May 25, 2007Date of Patent: August 13, 2013Assignee: Dequest AGInventors: Patrick Notte, Albert Devaux