Patents by Inventor Thierry Vidal
Thierry Vidal 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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Publication number: 20220386603Abstract: The present invention provides a method for increasing the growth of a plant by contacting a seed of the plant with a composition comprising a guar gum having an average molecular weight of between 2,000 Daltons and 90,000 Daltons. The present invention also provides a seed treated with a guar gum having an average molecular weight of between 2,000 Daltons and 90,000 Daltons.Type: ApplicationFiled: October 16, 2020Publication date: December 8, 2022Applicant: RHODIA OPERATIONSInventors: Jean-Christophe Castaing, Clara Vernay, Francisco Lopez, Thierry Vidal
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Patent number: 11284558Abstract: A seed or seedling is coated with a cross-linked biopolymer and, optionally, a second binder selected from underivatized guar, cationic hydroxypropyl guar, polyacrylamide, poly(methacrylic acid), poly(acrylic acid), polyacrylate, poly(ethylene glycol), polyethyleneoxide, polyamide, hydroxypropyl guar, carboxymethyl guar, carboxymethylhydroxypropyl guar, underivatized starch, cationic starch, corn starch, wheat starch, rice starch, potato starch, tapioca, waxy maize, sorghum, waxy sarghum, sago, dextrin, chitin, chitosan, xanthan gum, carageenan gum, gum karaya, gum arabic, pectin, cellulose, hydroxycellulose, hydroxyalkyl cellulose, hydroxyethyl cellulose, carboxymethylhydroxyethyl cellulose, or hydroxypropyl cellulose. The seed coating composition is characterized by a dust value, as measured using a Heubach dustmeter device, which is lower by at least 30% as compared to an analogous composition that does not contain the crosslinked biopolymer.Type: GrantFiled: November 16, 2018Date of Patent: March 29, 2022Assignee: RHODIA OPERATIONSInventors: Clara Vernay, Jean-Christophe Castaing, Zhiyun Chen, Thierry Vidal
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Publication number: 20190150354Abstract: A seed or seedling is coated with a cross-linked biopolymer and, optionally, a second binder selected from underivatized guar, cationic hydroxypropyl guar, polyacrylamide, poly(methacrylic acid), poly(acrylic acid), polyacrylate, poly(ethylene glycol), polyethyleneoxide, polyamide, hydroxypropyl guar, carboxymethyl guar, carboxymethylhydroxypropyl guar, underivatized starch, cationic starch, corn starch, wheat starch, rice starch, potato starch, tapioca, waxy maize, sorghum, waxy sarghum, sago, dextrin, chitin, chitosan, xanthan gum, carageenan gum, gum karaya, gum arabic, pectin, cellulose, hydroxycellulose, hydroxyalkyl cellulose, hydroxyethyl cellulose, carboxymethylhydroxyethyl cellulose, or hydroxypropyl cellulose. The seed coating composition is characterized by a dust value, as measured using a Heubach dustmeter device, which is lower by at least 30% as compared to an analogous composition that does not contain the crosslinked biopolymer.Type: ApplicationFiled: November 16, 2018Publication date: May 23, 2019Applicant: RHODIA OPERATIONSInventors: Clara VERNAY, Jean-Christophe CASTAING, Zhiyun CHEN, Thierry VIDAL
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Patent number: 9969670Abstract: The invention relates to a method for producing a (meth)acrylic anhydride A-C(?O)—O—(O?)C-A, comprising the following steps: a) a step of reacting an anhydride B—C(?O)—O—(O?)C—B with an acid A-COOH, resulting in the formation of mixed anhydride A-C(?O)—O—(O?)C—B and acid B—COOH; and b) a step of reacting the mixed anhydride with A-COOH, resulting in the (meth)acrylic anhydride. According to the invention, reaction steps (a) and (b) are carried out in the presence of hydrated triflic acid, and the anhydride A-C(?O)—O—(O?)C-A is isolated from the reaction medium produced in step (b) as follows: e1) heavy compounds having a volatility less than or equal to that of the anhydride A-C(?O)—O—(O?)C-A are separated from the reaction medium, said compounds including the anhydride and the hydrated triflic acid; e2) the anhydride is separated from the heavy compounds by difference in volatility.Type: GrantFiled: January 20, 2015Date of Patent: May 15, 2018Assignee: Rhodia OperationsInventors: Pierre Ardaud, Thierry Vidal, Rabih Rached
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Publication number: 20160332949Abstract: The invention relates to a method for producing a (meth)acrylic anhydride A-C(?O)—O—(O?)C-A, comprising the following steps: a) a step of reacting an anhydride B—C(?O)—O—(O?)C—B with an acid A-COOH, resulting in the formation of mixed anhydride A-C(?O)—O—(O?)C—B and acid B—COOH; and b) a step of reacting the mixed anhydride with A-COOH, resulting in the (meth)acrylic anhydride. According to the invention, reaction steps (a) and (b) are carried out in the presence of hydrated triflic acid, and the anhydride A-C(?O)—O—(O?)C-A is isolated from the reaction medium produced in step (b) as follows: e1) heavy compounds having a volatility less than or equal to that of the anhydride A-C(?O)—O—(O?)C-A are separated from the reaction medium, said compounds including the anhydride and the hydrated triflic acid; e2) the anhydride is separated from the heavy compounds by difference in volatility.Type: ApplicationFiled: January 20, 2015Publication date: November 17, 2016Inventors: Pierre ARDAUD, Thierry VIDAL, Rabih RACHED
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Patent number: 9420780Abstract: The present disclosure relates to compositions comprising from 10 to 90 wt % of a mixture M of compounds A having formula R1CONR2R3, wherein R1, R2, and R3 are described herein, and from 10 to 90 wt % of at least one compound B selected from the amide solvents, optionally combined with an ester solvent, and methods for producing the same. The present disclosure further relates to phytosanitary formulations comprising such compositions.Type: GrantFiled: October 11, 2012Date of Patent: August 23, 2016Assignee: RHODIA OPERATIONSInventors: Thierry Vidal, Benoit Abribat, Valerio Bramati, Marc Balastre
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Patent number: 9296683Abstract: The present invention concerns a process for preparing esteramide compounds. More particularly, the invention relates to a process for preparing esteramide compounds by reaction between a diester and an amine, in the presence of a basic compound, wherein the basic compound and the amine in gaseous form are co-added to the diester, the reaction being conducted at a temperature of 30° C. or higher.Type: GrantFiled: May 31, 2011Date of Patent: March 29, 2016Assignee: RHODIA OPERATIONSInventors: Thierry Vidal, Rabih Rached, Massimo Guglieri
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Patent number: 9284262Abstract: The present invention relates to a method for preparing esteramide compounds. More particularly, the invention relates to a method for preparing esteramide compounds by reaction between a diester and an amine, in the presence of a basic compound, wherein the amine is solubilized in an organic solvent or in the diester, when the amine is solubilized in an organic solvent, the diester is added onto the reaction mixture comprising the amine and the basic compound, when the amine is solubilized in the diester, the basic compound is added onto the reaction mixture comprising the amine and the diester (II), the reaction is conducted at a temperature greater than or equal to 30° C., the amine is present in molar excess ranging from 0.01 to 50% relatively to the diester.Type: GrantFiled: June 9, 2011Date of Patent: March 15, 2016Assignee: RHODIA OPERATIONSInventors: Thierry Vidal, Rabih Rached, Massimo Guglieri
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Publication number: 20150208645Abstract: The object of the present invention is phytosanitary compositions comprising an active phytosanitary product and an ether-amide compound. The ether-amide compound may natively be present as a solvent, co-solvent, crystallization inhibitor or an agent for increasing bioactivity of the active phytosanitary product.Type: ApplicationFiled: July 25, 2013Publication date: July 30, 2015Applicant: RHODIA OPERATIONSInventors: Thierry Vidal, Valerio Bramati
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Patent number: 9090538Abstract: The use of an esteramide compound, alone or as a mixture of the following formula (I): R1OOC-A-CONR2R3??(I) is described, wherein: A is a covalent bond or a methylene group —CH2—, R1 is an optionally substituted hydrocarbon group having from 1 to 36 carbon atoms, R2 and R3, either identical or different, are groups selected from a hydrogen atom and optionally substituted hydrocarbon groups comprising from 1 to 36 carbon atoms, R2 and R3 may form together a ring having the nitrogen atom to which they are bound, said ring being, if need be, substituted and/or having an additional heteroatom and R2 and R3 not being simultaneously hydrogens. Also described, are applications for using the esteramide compound as a solvent, a co-solvent, a coalescence agent, a crystallization inhibitor, a plasticizer or an agent for increasing biological activity.Type: GrantFiled: March 16, 2011Date of Patent: July 28, 2015Assignee: RHODIA OPERATIONSInventors: Massimo Guglieri, Thierry Vidal
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Patent number: 8981150Abstract: Novel ether-amide compounds are described. Uses of the compounds, in particular as solvents, for example in phytosanitary formulations are also described.Type: GrantFiled: October 18, 2010Date of Patent: March 17, 2015Assignee: Rhodia OperationsInventors: Thierry Vidal, Massimo Guglieri, Olivier Jentzer
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Patent number: 8980392Abstract: The use of a functionalized organosilicon compound as a coupling agent between an inorganic filler and an elastomer in an elastomer composition including an isoprene elastomer and a reinforcing inorganic filler is disclosed. The compound is selected among functionalized organosilicon compounds including at least one double bond C?C or C?N, and not including any C?C—C?O bonds or N?N bonds, and reacting with the isoprene units according to an electrocyclic reaction, in particular according to a standard cycloaddition reaction [2+1], [2+2], [3+2] or a Diels-Alder reaction [4+2] or an ene-synthesis reaction other than an ene-synthesis reaction between an isoprene unit and a C?C—C?O or N?N function. Also described, are elastomer composition(s) obtained and items manufactured using such compositions.Type: GrantFiled: June 2, 2010Date of Patent: March 17, 2015Assignee: Rhodia OperationsInventors: Laurent Guy, Virginie Pevere, Thierry Vidal
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Patent number: 8981148Abstract: An esteramide compound of the following formula (I): R1OOC-A-CONR2R3??(I) is described, wherein: A is a covalent bond or a methylene group —CH2—; R1 is an optionally substituted, saturated or unsaturated aliphatic or cycloaliphatic hydrocarbon group including from 5 to 36 carbon atoms, R2 and R3, either identical or different, are groups selected from a hydrogen atom, and optionally substituted hydrocarbon groups, preferably including from 1 to 36 carbon atoms, and R2 and R3 not being simultaneously hydrogen atoms. Also described, are applications for using the esteramide compound, notably as a solvent.Type: GrantFiled: March 17, 2011Date of Patent: March 17, 2015Assignee: Rhodia OperationsInventors: Massimo Guglieri, Thierry Vidal
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Publication number: 20140256554Abstract: The present disclosure relates to compositions comprising from 10 to 90 wt % of a mixture M of compounds A having formula R1CONR2R3, wherein R1, R2, and R3 are described herein, and from 10 to 90 wt % of at least one compound B selected from the amide solvents, optionally combined with an ester solvent, and methods for producing the same. The present disclosure further relates to phytosanitary formulations comprising such compositions.Type: ApplicationFiled: October 11, 2012Publication date: September 11, 2014Applicant: RHODIA OPERATIONSInventors: Thierry Vidal, Benoit Abribat, Valerio Bramati, Marc Balastre
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Publication number: 20130237722Abstract: The present invention relates to a method for preparing esteramide compounds. More particularly, the invention relates to a method for preparing esteramide compounds by reaction between a diester and an amine, in the presence of a basic compound, wherein the amine is solubilized in an organic solvent or in the diester, when the amine is solubilized in an organic solvent, the diester is added onto the reaction mixture comprising the amine and the basic compound, when the amine is solubilized in the diester, the basic compound is added onto the reaction mixture comprising the amine and the diester (II), the reaction is conducted at a temperature greater than or equal to 30° C., the amine is present in molar excess ranging from 0.01 to 50% relatively to the diester.Type: ApplicationFiled: June 9, 2011Publication date: September 12, 2013Applicant: RHODIA OPERATIONSInventors: Thierry Vidal, Rabih Rached, Massimo Guglieri
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Publication number: 20130211129Abstract: The present invention concerns a process for preparing esteramide compounds. More particularly, the invention relates to a process for preparing esteramide compounds by reaction between a diester and an amine, in the presence of a basic compound, wherein the basic compound and the amine in gaseous form are co-added to the diester, the reaction being conducted at a temperature of 30° C. or higher.Type: ApplicationFiled: May 31, 2011Publication date: August 15, 2013Applicant: RHODIA OPERATIONSInventors: Thierry Vidal, Rabih Rached, Massimo Guglieri
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Publication number: 20130210933Abstract: The use of an esteramide compound, alone or as a mixture of the following formula (I): R1OOC-A-CONR2R3??(I) is described, wherein: A is a covalent bond or a methylene group —CH2—, R1 is an optionally substituted hydrocarbon group having from 1 to 36 carbon atoms, R2 and R3, either identical or different, are groups selected from a hydrogen atom and optionally substituted hydrocarbon groups comprising from 1 to 36 carbon atoms, R2 and R3 may form together a ring having the nitrogen atom to which they are bound, said ring being, if need be, substituted and/or having an additional heteroatom and R2 and R3 not being simultaneously hydrogens. Also described, are applications for using the esteramide compound as a solvent, a co-solvent, a coalescence agent, a crystallization inhibitor, a plasticizer or an agent for increasing biological activity.Type: ApplicationFiled: March 16, 2011Publication date: August 15, 2013Applicant: RHODIA OPERATIONSInventors: Massimo Guglieri, Thierry Vidal
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Publication number: 20130210634Abstract: An esteramide compound of the following formula (I): R1OOC-A-CONR2R3??(I) is described, wherein: A is a covalent bond or a methylene group —CH2—; R1 is an optionally substituted, saturated or unsaturated aliphatic or cycloaliphatic hydrocarbon group including from 5 to 36 carbon atoms, R2 and R3, either identical or different, are groups selected from a hydrogen atom, and optionally substituted hydrocarbon groups, preferably including from 1 to 36 carbon atoms, and R2 and R3 not being simultaneously hydrogen atoms. Also described, are applications for using the esteramide compound, notably as a solvent.Type: ApplicationFiled: March 17, 2011Publication date: August 15, 2013Applicant: RHODIA OPERATIONSInventors: Massimo Guglieri, Thierry Vidal
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Preparation of organomonoalkoxy (or monohydroxy) silanes from alkoxysilanes/organometallic compounds
Patent number: 8461369Abstract: Organomonoalkoxy/monohydroxy silanes, particularly halogenated or aklenylated organomonoalkoxy (or monohydroxy) silanes, which are useful intermediates in organic syntheses, are prepared by reacting an alkoxysilane with an organometallic compound suited for substituting at least certain of the alkoxy functions of the alkoxysilane with a monovalent hydrocarbon radical other than alkoxy and co-preparing a metallic alkoxylate by-product capable of denaturing the substituted silanes thus obtained, including contacting the metallic alkoxylate with at least one agent (A) reactive with the alkoxy functions of the alkoxylate to generate one or more species inert relative to the alkoxysilane, such agent (A) being selected from among the electrophile and/or mineral acid groups.Type: GrantFiled: March 5, 2008Date of Patent: June 11, 2013Assignee: Rhodia OperationsInventor: Thierry Vidal -
Publication number: 20120302791Abstract: Novel ether-amide compounds are described. Uses of the compounds, in particular as solvents, for example in phytosanitary formulations are also described.Type: ApplicationFiled: October 18, 2010Publication date: November 29, 2012Inventors: Thierry Vidal, Massimo Guglieri, Olivier Jentzer