Patents by Inventor Solène BOCK

Solène BOCK 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).

  • Publication number: 20250277064
    Abstract: 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: Application
    Filed: May 15, 2025
    Publication date: September 4, 2025
    Inventors: Claude QUETTIER, Vincent WIATZ, Solène BOCK, Jacques LEGRAND
  • Publication number: 20250263506
    Abstract: The invention relates to a method of producing a heat-modified starch comprising the steps of: (i) preparing a starch milk containing between 30 and 40% by weight, preferably between 35 and 37% by weight, solid matter, (ii) adding a powdery alkaline agent such as to obtain a final conductivity of between 0.7 and 2.5 mS/cm, (iii) ensuring a contact time of between 0.5 and 5 hours, (iv) filtering and drying the starch milk, (v) and heating the dried starch to bring it to a temperature of more than 180° C. for a dwell time of between 8 and 50 minutes, preferably between 10 and 40 minutes, even more preferably between 12 and 35 minutes.
    Type: Application
    Filed: February 3, 2025
    Publication date: August 21, 2025
    Inventors: Solène BOCK, Vincent WIATZ, Claude QUETTIER
  • Publication number: 20250206850
    Abstract: 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: Application
    Filed: February 27, 2025
    Publication date: June 26, 2025
    Inventors: Claude QUETTIER, Vincent WIATZ, Solène BOCK, Jacques LEGRAND
  • Patent number: 12325762
    Abstract: 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: Grant
    Filed: May 6, 2020
    Date of Patent: June 10, 2025
    Inventors: Claude Quettier, Vincent Wiatz, Solène Bock, Jacques Legrand
  • Publication number: 20250176600
    Abstract: 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: Application
    Filed: January 18, 2023
    Publication date: June 5, 2025
    Inventors: Solène BOCK, Jacques LEGRAND
  • Patent number: 12264205
    Abstract: 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: Grant
    Filed: February 26, 2020
    Date of Patent: April 1, 2025
    Assignee: Roquette Freres
    Inventors: Claude Quettier, Vincent Wiatz, Solène Bock, Jacques Legrand
  • Patent number: 12247088
    Abstract: The invention relates to a method of producing a heat-modified starch comprising the steps of: (i) preparing a starch milk containing between 30 and 40% by weight, preferably between 35 and 37% by weight, solid matter, (ii) adding a powdery alkaline agent such as to obtain a final conductivity of between 0.7 and 2.5 mS/cm, (iii) ensuring a contact time of between 0.5 and 5 hours, (iv) filtering and drying the starch milk, (v) and heating the dried starch to bring it to a temperature of more than 180° C. for a dwell time of between 8 and 50 minutes, preferably between 10 and 40 minutes, even more preferably between 12 and 35 minutes.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 11, 2025
    Assignee: Roquette Freres
    Inventors: Solène Bock, Vincent Wiatz, Claude Quettier
  • Publication number: 20240306689
    Abstract: 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: Application
    Filed: February 4, 2022
    Publication date: September 19, 2024
    Inventors: Solène BOCK, Jacques LEGRAND
  • Publication number: 20240279363
    Abstract: The invention relates to a method for preparing a gelatinized blend of at least two heat-modified starches, wherein the starches are starches of different botanical origins, which comprises the steps consisting in: 1. Preparing a starch milk containing at least two starches of distinct botanical origins, 2. Treating the milk thus obtained under alkaline conditions and then dehydration and heat treatment for a time and at a temperature making it possible to obtain a blend of heat-modified starches, 3. Pregelatinizing said blend using a method that causes a break in the granular structure of the starches.
    Type: Application
    Filed: June 10, 2022
    Publication date: August 22, 2024
    Inventor: Solène BOCK
  • Publication number: 20240141076
    Abstract: 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: Application
    Filed: February 3, 2022
    Publication date: May 2, 2024
    Inventors: Solène BOCK, Jacques LEGRAND
  • Publication number: 20230331873
    Abstract: The present invention concerns a method for modifying a polysaccharide material, preferably an amylaceous material, involving a first step of homogeneous solubilisation of said polysaccharide material in an aqueous solvent, followed by a step of homogeneous chemical functionalisation comprising at least one non-crosslinking chemical modification, or at least one crosslinking chemical modification, or a sequence of at least one non-crosslinking chemical modification and at least one crosslinking chemical modification. Secondly, the present invention concerns a modified polysaccharide material, in particular obtained by the method according to the invention, characterised in that it has a novel distribution of the chemical substituents attached to the hydroxyl functions of the anhydroglucose units of said polysaccharide material.
    Type: Application
    Filed: February 24, 2023
    Publication date: October 19, 2023
    Inventors: Solène BOCK, Vincent WIATZ, Thomas GUGLIELMETTI, Joffrey ATTARD
  • Publication number: 20230279157
    Abstract: 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: Application
    Filed: July 14, 2021
    Publication date: September 7, 2023
    Inventors: Solène BOCK, Jacques LEGRAND
  • Patent number: 11498939
    Abstract: The invention relates to a novel glucose polymer which is particularly useful for administration by the parenteral route, and to the method for the production thereof. The invention also relates to compositions comprising such a glucose polymer, and to the methods for the production thereof. The invention further relates to the use thereof as a medicament, for example as an osmotic agent for peritoneal dialysis.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: November 15, 2022
    Assignee: ROQUETTE FRERES
    Inventors: Denis Simon, Olaf Haeusler, Solène Bock
  • Publication number: 20220213230
    Abstract: 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: Application
    Filed: May 6, 2020
    Publication date: July 7, 2022
    Inventors: Claude QUETTIER, Vincent WIATZ, Solène BOCK, Jacques LEGRAND
  • Publication number: 20220127383
    Abstract: 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: Application
    Filed: February 26, 2020
    Publication date: April 28, 2022
    Inventors: Claude QUETTIER, Vincent WIATZ, Solène BOCK, Jacques LEGRAND
  • Publication number: 20200339705
    Abstract: The present invention concerns a method for modifying a polysaccharide material, preferably an amylaceous material, involving a first step of homogeneous solubilisation of said polysaccharide material in an aqueous solvent, followed by a step of homogeneous chemical functionalisation comprising at least one non-crosslinking chemical modification, or at least one crosslinking chemical modification, or a sequence of at least one non-crosslinking chemical modification and at least one crosslinking chemical modification. Secondly, the present invention concerns a modified polysaccharide material, in particular obtained by the method according to the invention, characterised in that it has a novel distribution of the chemical substituents attached to the hydroxyl functions of the anhydroglucose units of said polysaccharide material.
    Type: Application
    Filed: December 21, 2018
    Publication date: October 29, 2020
    Inventors: Solène BOCK, Vincent WIATZ, Thomas GUGLIELMETTI, Joffrey ATTARD
  • Publication number: 20200308311
    Abstract: The invention relates to a method of producing a heat-modified starch comprising the steps of: (i) preparing a starch milk containing between 30 and 40% by weight, preferably between 35 and 37% by weight, solid matter, (ii) adding a powdery alkaline agent such as to obtain a final conductivity of between 0.7 and 2.5 mS/cm, (iii) ensuring a contact time of between 0.5 and 5 hours, (iv) filtering and drying the starch milk, (v) and heating the dried starch to bring it to a temperature of more than 180° C. for a dwell time of between 8 and 50 minutes, preferably between 10 and 40 minutes, even more preferably between 12 and 35 minutes.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 1, 2020
    Inventors: Solène BOCK, Vincent WIATZ, Claude QUETTIER