Patents by Inventor Jacques Legrand
Jacques Legrand 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: 20250277064Abstract: A method for producing a heat-modified starch, comprising the steps of: (i) preparing a starch milk having a solids content of between 20% and 45% by weight and adding an alkaline agent, so as to obtain a final conductivity of between 4 and 7 mS/cm (ii) filtering the starch milk so as to recover a starch cake; (iii) introducing the starch cake, continuously, into a dryer at the same time as a continuous stream of hot air in order to recover a dried powder (iv) continuously supplying a turboreactor with the dried powder, and by setting parameters for the speed of rotation of the stirrer, so that the dried powder is continuously centrifuged and conveyed into the turboreactor; (v) recovering the heat-modified starch produced.Type: ApplicationFiled: May 15, 2025Publication date: September 4, 2025Inventors: Claude QUETTIER, Vincent WIATZ, Solène BOCK, Jacques LEGRAND
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Publication number: 20250206850Abstract: The invention relates to a method for producing a heat-modified starch, comprising the steps consisting in: (i) preparing a starch milk having a solids content of between 30 and 40%, preferably between 35 and 37% by weight, (ii) adding a solution of an alkaline agent at a weight concentration of between 25 and 35%, preferably of 30%, so as to obtain a conductivity on the milk of between 4 and 7 mS/cm, (iii) ensuring a contact time of between 0.5 and 2 hours, (iv) filtering and drying the starch milk such that the conductivity of the dried starch resuspended at 20% by weight of solids is between 0.7 and 2.5 mS/cm, (v) heating said dried starch so as to bring it to a temperature of more than 180° C. for a residence time of between 10 and 40 minutes, even more preferentially between 15 and 35 minutes.Type: ApplicationFiled: February 27, 2025Publication date: June 26, 2025Inventors: Claude QUETTIER, Vincent WIATZ, Solène BOCK, Jacques LEGRAND
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Patent number: 12325762Abstract: A method for producing a heat-modified starch, comprising the steps of: (i) preparing a starch milk having a solids content of between 20% and 45% by weight and adding an alkaline agent, so as to obtain a final conductivity of between 4 and 7 mS/cm (ii) filtering the starch milk so as to recover a starch cake; (iii) introducing the starch cake, continuously, into a dryer at the same time as a continuous stream of hot air in order to recover a dried powder; (iv) continuously supplying a turboreactor with the dried powder, and by setting parameters for the speed of rotation of the stirrer, so that the dried powder is continuously centrifuged and conveyed into the turboreactor; (v) recovering the heat-modified starch produced.Type: GrantFiled: May 6, 2020Date of Patent: June 10, 2025Inventors: Claude Quettier, Vincent Wiatz, Solène Bock, Jacques Legrand
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Publication number: 20250176600Abstract: A method for preparing a blend of at least two heat-modified starches, in which the starches are granular starches of different botanical origins, which comprises the steps consisting in: (i) preparing a starch milk containing at least two starches of different botanical origins, having total dry matter content comprised between 30 and 40%, and preferably between 35 and 37% by weight, (ii) preparing a citrate buffer with a pH between 4 and 6, preferably 6, and adding said citrate buffer to the starch milk so as to obtain a milk pH between 4 and 6, preferably 6, (iii) ensuring a contact time comprised between 0.5 and 5 hours, (iv) drying until reaching an equilibrium moisture content of 10 to 12%, (v) heating over 150° C., for a residence time of between 10 minutes and 6 hours, (vi) resuspending, adjusting the pH, optionally washing and again drying the heat-modified starches thus obtained.Type: ApplicationFiled: January 18, 2023Publication date: June 5, 2025Inventors: Solène BOCK, Jacques LEGRAND
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Patent number: 12264205Abstract: The invention relates to a method for producing a heat-modified starch, comprising the steps consisting in: (i) preparing a starch milk having a solids content of between 30 and 40%, preferably between 35 and 37% by weight, (ii) adding a solution of an alkaline agent at a weight concentration of between 25 and 35%, preferably of 30%, so as to obtain a conductivity on the milk of between 4 and 7 mS/cm, (iii) ensuring a contact time of between 0.5 and 2 hours, (iv) filtering and drying the starch milk such that the conductivity of the dried starch resuspended at 20% by weight of solids is between 0.7 and 2.5 mS/cm, (v) heating said dried starch so as to bring it to a temperature of more than 180° C. for a residence time of between 10 and 40 minutes, even more preferentially between 15 and 35 minutes.Type: GrantFiled: February 26, 2020Date of Patent: April 1, 2025Assignee: Roquette FreresInventors: Claude Quettier, Vincent Wiatz, Solène Bock, Jacques Legrand
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Publication number: 20240306689Abstract: The invention relates to a thermally modified starch produced via the acid route, characterized in that it has a free citrate content of less than 0.05% and a fixed citrate content of between 0.05 and 0.15%, a temperature at peak swelling of the starch granules, analyzed using RVA between 2 and 17 minutes, higher than 100° C., preferably between 100 and 140° C., and/or a sedimentation volume of between 20 and 65 ml, preferably between 25 and 40 ml.Type: ApplicationFiled: February 4, 2022Publication date: September 19, 2024Inventors: Solène BOCK, Jacques LEGRAND
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Publication number: 20240141076Abstract: The invention relates to a thermally modified starch produced via the acid route, characterized in that it has a free citrate content of less than 0.05% and a fixed citrate content of between 0.12 and 0.16% and/or a reduction of between 2 and 10° C. of the gelatinization temperature at RVA peak viscosity, and/or a sedimentation volume of between 15 and 35 mL.Type: ApplicationFiled: February 3, 2022Publication date: May 2, 2024Inventors: Solène BOCK, Jacques LEGRAND
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Publication number: 20230279157Abstract: Preparing a blend of at least two thermally modified starches of different botanical origins, consisting in: (i) preparing a starch milk containing at least two starches of different botanical origins, having total solids content of between 30 and 40%, and preferably between 35 and 37% by weight, (ii) adding an alkaline agent to obtain a final conductivity of the powder resuspended to 20% solids content of between 0.5 and 5 mS/cm, (iii) ensuring a contact time of between 0.5 and 5 hours, (iv) filtering and drying the starch milk to a moisture content of between 10.5 and 15%, to obtain a starch powder having a conductivity of between 0.5 and 2.5 mS/cm and a pH of between 9 and 10.5, (v) heating the dried starch powder to a temperature higher than 130° C., preferably between 130 and 220° C., for a residence time of between 10 minutes and 6 hours.Type: ApplicationFiled: July 14, 2021Publication date: September 7, 2023Inventors: Solène BOCK, Jacques LEGRAND
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Publication number: 20220213230Abstract: A method for producing a heat-modified starch, comprising the steps of: (i) preparing a starch milk having a solids content of between 20% and 45% by weight and adding an alkaline agent, so as to obtain a final conductivity of between 4 and 7 mS/cm (ii) filtering the starch milk so as to recover a starch cake; (iii) introducing the starch cake, continuously, into a dryer at the same time as a continuous stream of hot air in order to recover a dried powder; (iv) continuously supplying a turboreactor with the dried powder, and by setting parameters for the speed of rotation of the stirrer, so that the dried powder is continuously centrifuged and conveyed into the turboreactor; (v) recovering the heat-modified starch produced.Type: ApplicationFiled: May 6, 2020Publication date: July 7, 2022Inventors: Claude QUETTIER, Vincent WIATZ, Solène BOCK, Jacques LEGRAND
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Publication number: 20220127383Abstract: The invention relates to a method for producing a heat-modified starch, comprising the steps consisting in: (i) preparing a starch milk having a solids content of between 30 and 40%, preferably between 35 and 37% by weight, (ii) adding a solution of an alkaline agent at a weight concentration of between 25 and 35%, preferably of 30%, so as to obtain a conductivity on the milk of between 4 and 7 mS/cm, (iii) ensuring a contact time of between 0.5 and 2 hours, (iv) filtering and drying the starch milk such that the conductivity of the dried starch resuspended at 20% by weight of solids is between 0.7 and 2.5 mS/cm, (v) heating said dried starch so as to bring it to a temperature of more than 180° C. for a residence time of between 10 and 40 minutes, even more preferentially between 15 and 35 minutes.Type: ApplicationFiled: February 26, 2020Publication date: April 28, 2022Inventors: Claude QUETTIER, Vincent WIATZ, Solène BOCK, Jacques LEGRAND
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Publication number: 20200069978Abstract: The present application relates to an oil extracted from a solid vegetable matter or a micro-organism comprising a high unsaponifiable content, the solid vegetable from which the oil has been extracted and the micro-organism from which the oil has been extracted.Type: ApplicationFiled: October 15, 2019Publication date: March 5, 2020Inventors: Alex Saunois, Jacques Legrand, Eglantine Mercier
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Patent number: 10493303Abstract: The invention relates to a method for the solid/liquid extraction of an oil or butter, particularly having a high unsaponifiable content, contained in at least one solid vegetable matter or a micro-organism. The method includes at least the following steps: solid/liquid extraction of at least one solid vegetable matter or a micro-organism using a first solvent system comprising a concentration of solvent selected from among fluorinated aromatic solvents, particularly trifluorotoluene (BTF) and hexafluorobenzene (BHF), tert-butyl ethers, particularly 2-ethoxy-2-methylpropane, also known as ethyl-tert-butyl-ether (ETBE), and 2-methoxy-2-methylpropane or methyl-tert-butylether (MTBE), solvents comprising at least one silicon atom, particularly hexamethyldisiloxane (HMDS) and tetramethylsilane (TMS), methyl-tetrahydrofuran (MeTHF), and mixtures thereof, representing at least 50 vol.Type: GrantFiled: January 31, 2011Date of Patent: December 3, 2019Assignee: MINAFINInventors: Alex Saunois, Jacques Legrand, Eglantine Mercier
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Patent number: 9909084Abstract: The present invention relates to an extraction process of an unsaponifiable fraction contained in an oil or a vegetable butter, in an oil originating from a micro-organism, in a concentrate of oil or butter or of oil originating from a micro-organism, or in a co-product of the refining industry for vegetable oils, such as deodorization exhaust and distillates of physical refining, or oils originating from micro-organisms, comprising at least: A) a transformation step of said oils, of said butter or said co-product of the refining industry for vegetable oils or oils originating from micro-organisms in hydro-alcoholic solution, especially via a saponification step, and B) an extraction step of the hydro-alcoholic solution in which the fatty fraction is separated from unsaponifiable fraction by liquid/liquid extraction, said process being characterized in that at least the liquid/liquid extraction step of the step B is performed by using a first solvent system comprising a solvent content selected from the sType: GrantFiled: July 30, 2012Date of Patent: March 6, 2018Assignee: Laboratoires ExpanscienceInventors: Eglantine Mercier, Jacques Legrand, Alex Saunois
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Patent number: 9447361Abstract: The present invention relates to the use of at least one vegetable oil refining industry by-product to obtain a purified total unsaponifiable of vegetable oil cleared of the impurities initially present in the said by-product, advantageously cleared of sapid and odorous compounds and/or chemical compounds resulting from the deterioration and the degradation of vegetable oils. The invention further relates to a method for obtaining a purified total unsaponifiable of vegetable oil from at least one vegetable oil refining industry by-product. The invention further relates to a purified total unsaponifiable of vegetable oil able to be obtained by this method, as well as compositions containing such an unsaponifiable. The invention further relates to such unsaponifiables or such compositions for the use thereof as a drug, medical device, dermatological agent, cosmetic agent or nutraceutical, in humans or animals.Type: GrantFiled: January 31, 2012Date of Patent: September 20, 2016Assignee: LABORATOIRES EXPANSCIENCEInventors: Jacques Legrand, Alex Saunois, Caroline Baudouin, Philippe Msika
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Patent number: 9439938Abstract: The present invention relates to the use of avocado peels in order to obtain avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, said avocado peels accounting for 5 to 50% by weight relative to the total weight of avocado used. The invention also relates to a method for obtaining avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols from at least avocado peels, said avocado peels accounting for 5 to 50% by weight relative to the total weight of avocado used. The invention also relates to an avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, obtainable by this method. Lastly, the invention relates to an avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, for use as a drug, advantageously in the in the prevention and/or treatment of conjunctive tissue disorders such as arthrosis, articular pathologies such as rheumatism, or periodontal diseases such as gingivitis or periodontitis.Type: GrantFiled: January 14, 2013Date of Patent: September 13, 2016Assignee: LABORATOIRES EXPANSCIENCEInventors: Philippe Msika, Jacques Legrand, Sebastien Garnier
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Patent number: 9422504Abstract: The present invention relates to the use of whole soft avocados to obtain an avocado oil rich in unsaponifiable, said unsaponifiable containing aliphatic acetogenins and/or their derivatives. Advantageously, the oil has an acid value less than or equal to 3 mgKOH/g. The invention also relates to a process for obtaining an avocado oil rich in unsaponifiable from whole soft avocados. said unsaponifiable containing aliphatic acetogenins and/or their derivatives. The invention also relates to an avocado oil rich in unsaponifiable obtainable by this process. The invention also relates to the use of the avocado oil to prepare a concentrate of avocado oil enriched in unsaponifiable or an avocado unsaponifiable rich in aliphatic furans.Type: GrantFiled: December 26, 2012Date of Patent: August 23, 2016Assignee: Laboratoires ExpanscienceInventors: Philippe Msika, Jacques Legrand
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Patent number: 9416333Abstract: The present invention relates to the use of avocado seeds in order to obtain avocado oil enriched in alkyl polyols and/or acetylated derivatives thereof, said avocado seeds accounting for 10 to 50% by weight relative to the total weight of avocado used. The invention also relates to a method for obtaining avocado oil enriched in alkyl polyols or acetylated derivatives thereof from at least avocado seeds, said avocado seeds accounting for 10 to 50% by weight relative to the total weight of avocado used. The invention also relates to avocado oil enriched in alkyl polyols and/or acetylated derivatives thereof, obtainable by the present method. The invention also relates to the use of avocado oil in order to prepare an avocado oil concentrate enriched in alkyl polyols and/or acetylated derivatives thereof, or to prepare an avocado unsaponifiable enriched in alkyl polyols.Type: GrantFiled: January 14, 2013Date of Patent: August 16, 2016Assignee: LABORATOIRES EXPANSCIENCEInventors: Philippe Msika, Jacques Legrand, Sebastien Garnier
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Patent number: 9133415Abstract: The present invention relates to a process for the solid/liquid extraction of a natural extract contained in at least one vegetable solid or micro-organism comprising at least the following steps: solid/liquid extraction of at least one vegetable solid or micro-organism by a first solvent system comprising a solvent content chosen from the solvents comprising between 5 and 8 carbon atoms and one or two oxygen atoms in ether function, or ketone function, or ester function form, of at least 50% by volume in relation to the total volume of the first solvent system, retrieval of a natural extract, notably comprising or consisting of an oil or a butter, particularly enriched with unsaponifiable.Type: GrantFiled: July 30, 2012Date of Patent: September 15, 2015Assignee: LABORATOIRES EXPANSCIENCEInventors: Eglantine Mercier, Jacques Legrand, Alex Saunois
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Patent number: 8957232Abstract: The invention relates to a method for the extraction of all unsaponifiable fraction contained in a vegetable oil, an oil originating from a micro-organism or a vegetable butter or in a co-product from the vegetable oil refining industry, such as deodorization discharge. The method includes at least: A) a step comprising the transformation of the aforementioned oils, butter or co-product from the vegetable oil refining industry or oils originating from micro-organisms into a hydro-alcoholic solution by means of, in particular, a step selected from saponification and esterification steps; B) a step comprising the extraction of the hydro-alcoholic solution in which the fatty fraction is separated from the unsaponifiable fraction by means of liquid/liquid extraction; and C) an optional step comprising the purification of the unsaponifiable fraction, selected from the group containing crystallization and liquid/liquid extraction steps.Type: GrantFiled: January 31, 2011Date of Patent: February 17, 2015Assignee: Laboratoires ExpanscienceInventors: Alex Saunois, Jacques Legrand, Eglantine Mercier
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Publication number: 20150005273Abstract: The present invention relates to the use of avocado peels in order to obtain avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, said avocado peels accounting for 5 to 50% by weight relative to the total weight of avocado used. The invention also relates to a method for obtaining avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols from at least avocado peels, said avocado peels accounting for 5 to 50% by weight relative to the total weight of avocado used. The invention also relates to an avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, obtainable by this method. Lastly, the invention relates to an avocado unsaponifiable enriched in saturated aliphatic hydrocarbons and in sterols, for use as a drug, advantageously in the in the prevention and/or treatment of conjunctive tissue disorders such as arthrosis, articular pathologies such as rheumatism, or periodontal diseases such as gingivitis or periodontitis.Type: ApplicationFiled: January 14, 2013Publication date: January 1, 2015Inventors: Philippe Msika, Jacques Legrand, Sebastien Garnier