Patents by Inventor Franck Touraud
Franck Touraud 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: 20230013671Abstract: The invention relates to downhole tools comprising members comprising branched poly(hydroxyacid) polymers provided with improved degradation rate when in contact with water.Type: ApplicationFiled: December 11, 2020Publication date: January 19, 2023Applicant: SOLVAY SPECIALTY POLYMERS USA, LLCInventors: Bryan Benson, Franck Touraud, Yves Vanderveken
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Publication number: 20220380525Abstract: The invention pertains to an improved branched glycolic acid polymer being obtained from polycondensation reaction of a monomer mixture comprising: (i) glycolic acid (GA); (ii) optionally, at least one hydroxyacid having only one hydroxyl group and only one carboxylic acid group different from GA [hydroxyacid (A)], wherein the molar amount of hydroxyacid (A) is of at most 5% moles with respect to the sum of moles of GA and hydroxyacid (A); (iii) at least one polyol comprising at least three hydroxyl groups and being free from carboxylic acid group [polyol (H)]; (iv) at least one alcohol comprising one or two hydroxyl groups and being free from carboxylic acid group [alcohol (AO)]; (v) optionally at least one carboxylic acid comprising one carboxylic acid group and being free from hydroxyl group [monoacid (C)]; and (vi) optionally at least one polyacid comprising at least two carboxylic acid groups and being free from hydroxyl groups [polyacid (O)], wherein the amount of polyacid (O) is such that the number oType: ApplicationFiled: December 11, 2020Publication date: December 1, 2022Applicant: SOLVAY SPECIALTY POLYMERS USA, LLCInventors: Yves Vanderveken, Franck Touraud, Bryan Benson, Stéphane Jeol, Nancy J. Singletary
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Patent number: 9732222Abstract: A sulfonated aliphatic or aromatic compound for the production of a modified polyamide that can significantly increase the glass transition temperature of the polyamide is described. A polyamide composition including at least: one polyamide modified by a sulfonated compound, the compound being chemically bonded to the polymer chain of the polyamide; and reinforcing or filling agents is also described. The composition can be a composition to be molded, for example, in the form of granules or powder, to be used in the production of articles using an injection molding method.Type: GrantFiled: June 24, 2010Date of Patent: August 15, 2017Assignee: RHODIA OPERATIONSInventors: Franck Touraud, Stéphane Jeol
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Patent number: 9624373Abstract: A thermoplastic composition based on polyamide and polyketone is described. The thermoplastic composition can have an excellent mechanical strength and dimensional stability. Further, the composition can include a novolac resin and a reinforcing or a bulking filler. The composition can be molded, for example in the form of granules or powder, which is used for manufacturing articles via an injection-molding process.Type: GrantFiled: April 13, 2011Date of Patent: April 18, 2017Assignee: RHODIA OPERATIONSInventors: Caroll Vergelati, Franck Touraud, Olivier Andres
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Patent number: 9283694Abstract: A method for manufacturing a composite article is described that includes a step of impregnating a reinforcing fabric with a semi-aromatic polyester composition in the molten state, having a melt viscosity ? of 20 Pa·s to 200 Pa·s. The reinforcing fabric can be maintained at a temperature of plus or minus 50° C. relative to the melting temperature of the polyester.Type: GrantFiled: December 10, 2010Date of Patent: March 15, 2016Assignee: RHODIA OPERATIONSInventors: Stéphane Jeol, Gilles Orange, Franck Touraud
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Patent number: 9150692Abstract: The use of a polyamide including hydroxyaromatic units in order to increase the acid resistance of a polyamide composition is described. A polyamide composition comprising a polyamide that includes hydroxyaromatic units and use thereof for the manufacture of various plastic articles such as, for example, calibrated particles or injection-molded parts is also described. Such a composition is especially useful in the field of the recovery of slurries, liquids and gases present in underground reservoirs, and in particular in the field of the extraction of hydrocarbons, such as crude oil or natural gas.Type: GrantFiled: June 30, 2010Date of Patent: October 6, 2015Assignee: RHODIA OPERATIONSInventors: Gilles Orange, Mathilde Mercier, Franck Touraud, Stéphane Jeol, Roland Durand
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Patent number: 9012567Abstract: Supramolecular polymers having repeat units connected by hydrogen bonds, where the repeat units are monomers, macromers, oligomers or polymers where at least one on the monomers contains at least one 2,5-diketopiperazine group are described. Composition prepared from these supramolecular polymers and articles produced from these compositions are also described.Type: GrantFiled: July 30, 2010Date of Patent: April 21, 2015Assignee: Rhodia OperationsInventors: Thierry Badel, Stéphane Jeol, Franck Touraud
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Publication number: 20150087803Abstract: The present invention relates to a process for preparing a poly(N-acylamide) by reaction between: —at least one compound of the following formula (I): X—R1—Y (I) and —at least one compound of the following formula (II): X?—R2—Y? (II) in which: —R1 and R2 are, independently of one another, chosen from the group consisting of: a linear or branched alkylene group, comprising from 4 to 20 carbon atoms, an arylene group comprising from 5 to 30 carbon atoms, a heteroarylene group comprising from 5 to 30 atoms, a cycloalkylene group comprising from 5 to 30 carbon atoms, an arylalkylene group comprising from 5 to 30 carbon atoms.Type: ApplicationFiled: March 19, 2013Publication date: March 26, 2015Inventors: Roland Jacquot, Philippe Marion, Franck Touraud
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Patent number: 8952122Abstract: A polyamide modified by a compound including a sulfonate group, as well as a method for preparing the polyamide and to articles obtained from said modified polyamide are described. A modified polyamide obtained from a mono-functional aromatic sulfonate compound is also described.Type: GrantFiled: June 24, 2010Date of Patent: February 10, 2015Assignee: Rhodia OperationsInventors: Franck Touraud, Stéphane Jeol
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Patent number: 8680199Abstract: A polyamide modified by a compound including at least one hydroxyl group, as well as a method for preparing said polyamide and articles obtained from the modified polyamide are described. A polyamide composition including reinforcing fillers, and a modified polyamide obtained by polymerization from, in particular, a monofunctional hydroxyaromatic acid or amino acid compound in the presence of diacid, diamine and/or amino acid or lactam compounds are also described.Type: GrantFiled: September 25, 2009Date of Patent: March 25, 2014Assignee: Rhodia OperationsInventors: Franck Touraud, Stéphane Jeol
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Publication number: 20130144001Abstract: A thermoplastic composition based on polyamide and polyketone is described. The thermoplastic composition can have an excellent mechanical strength and dimensional stability. Further, the composition can include a novolac resin and a reinforcing or a bulking filler. The composition can be molded, for example in the form of granules or powder, which is used for manufacturing articles via an injection-molding process.Type: ApplicationFiled: April 13, 2011Publication date: June 6, 2013Applicant: RHODIA OPERATIONSInventors: Caroll Vergelati, Franck Touraud, Olivier Andres
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Patent number: 8454866Abstract: The invention relates to a process for the preparation of particles based on a thermoplastic polymer with a mean diameter of less than 1 mm. The process of the invention comprises more particularly a stage of preparation of a composition comprising the thermoplastic polymer and an additive, in the molten state, of cooling the composition and of disintegration of the thermoplastic polymer dispersion.Type: GrantFiled: October 6, 2005Date of Patent: June 4, 2013Assignee: Rhodia ChimieInventors: Pascal Herve, Christophe Paulo, Eric Roche, Mare Labeille, Franck Touraud
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Publication number: 20130115836Abstract: The use of a polyamide modified by hydroxyl aromatic compounds used to impregnate reinforcement materials assuming the form of industrial fabric cloth for manufacturing composite materials is described. Also described, is a composite material produced and a method by which the composite material is produced. Further, the method by which the composite material is produced can include: a) impregnating a reinforcing cloth with a polyamide composition in a molten state, the polyamide including hydroxy aromatic units which are chemically linked to the polyamide chain; the composition including a novolac resin; and b) cooling and then recovering the composite article.Type: ApplicationFiled: May 17, 2011Publication date: May 9, 2013Applicant: RHODIA OPERATIONSInventors: Franck Touraud, Gilles Orange, Stéphane Jeol, Roland Durand
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Publication number: 20130001822Abstract: A method for manufacturing a composite article is described that includes a step of impregnating a reinforcing fabric with a semi-aromatic polyester composition in the molten state, having a melt viscosity ? of 20 Pa·s to 200 Pa·s. The reinforcing fabric can be maintained at a temperature of plus or minus 50° C. relative to the melting temperature of the polyester.Type: ApplicationFiled: December 10, 2010Publication date: January 3, 2013Applicant: RHODIA OPERATIONSInventors: Stéphane Jeol, Gilles Orange, Franck Touraud
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Publication number: 20120322326Abstract: The use of polyamide of high melt flow employed in the impregnation of reinforcing materials taking the form of a cloth of industrial fabrics for the manufacture of composite materials is described. The described use relates to composite materials and their manufacturing processes.Type: ApplicationFiled: June 30, 2010Publication date: December 20, 2012Inventors: Gilles Orange, Roland Durand, Franck Touraud
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Patent number: 8334359Abstract: A polyamide modified by a compound including at least one hydroxyl group, as well as to a method for preparing such a polyamide, and articles obtained from such a polyamide are described. A polyamide modified by a compound comprising at least one aromatic hydroxyl group and chemically bonded to the polymer chain, obtained by the polymerization of polyamide monomers with at least one difunctional hydroxyaromatic compound in which both functions can react with an amino function is also described.Type: GrantFiled: September 25, 2009Date of Patent: December 18, 2012Assignee: Rhodia OperationsInventors: Franck Touraud, Stéphane Jeol
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Publication number: 20120289652Abstract: Supramolecular polymers having repeat units connected by hydrogen bonds, where the repeat units are monomers, macromers, oligomers or polymers where at least one on the monomers contains at least one 2,5-diketopiperazine group are described. Composition prepared from these supramolecular polymers and articles produced from these compositions are also described.Type: ApplicationFiled: July 30, 2010Publication date: November 15, 2012Applicant: RHODIA OPERATIONSInventors: Thierry Badel, Stéphane Jeol, Franck Touraud
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Publication number: 20120238164Abstract: The use of polyamide modified by hydroxyaromatic compounds employed in the impregnation of reinforcing materials taking the form of a cloth of industrial fabrics for the manufacture of composite materials is described. The described use relates to composite materials and of their manufacturing processes. Also described, is a process for the manufacture of a composite article including at least: a) a stage of impregnation of a reinforcing cloth with a polyamide composition in the molten state, where the polyamide includes hydroxyaromatic units chemically bonded to the polyamide chain; and b) a stage of cooling and subsequently recovering the composite article.Type: ApplicationFiled: June 30, 2010Publication date: September 20, 2012Applicant: RHODIA OPERATIONSInventors: Franck Touraud, Gilles Orange, Stéphane Jeol, Roland Durand
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Publication number: 20120177922Abstract: The use of a polyamide including hydroxyaromatic units in order to increase the acid resistance of a polyamide composition is described. A polyamide composition comprising a polyamide that includes hydroxyaromatic units and use thereof for the manufacture of various plastic articles such as, for example, calibrated particles or injection-molded parts is also described. Such a composition is especially useful in the field of the recovery of slurries, liquids and gases present in underground reservoirs, and in particular in the field of the extraction of hydrocarbons, such as crude oil or natural gas.Type: ApplicationFiled: June 30, 2010Publication date: July 12, 2012Applicant: RHODIA OPERATIONSInventors: Gilles Orange, Mathilde Mercier, Franck Touraud, Stéphane Jeol, Roland Durand
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Publication number: 20120172538Abstract: A polyamide modified by a compound including a sulfonate group, as well as a method for preparing the polyamide and to articles obtained from said modified polyamide are described. A modified polyamide obtained from a mono-functional aromatic sulfonate compound is also described.Type: ApplicationFiled: June 24, 2010Publication date: July 5, 2012Applicant: RHODIA OPERATIONSInventors: Franck Touraud, Stéphane Jeol