Patents by Inventor Isabelle Bolduc
Isabelle Bolduc 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: 11167265Abstract: A process for manufacturing particles of water-absorbing material is provided. The process includes providing a powder bed composed of an absorptive powder comprising a water-absorbing polysaccharide onto a surface; releasing an aqueous solution from a solution dispenser so as to contact the powder bed, thereby forming a solution-impregnated humid material; letting the solution-impregnated humid material agglomerate in substantially shear-less conditions to form an agglomerated humid material, the solution-impregnated humid material being supported by the surface; and drying the agglomerated humid material, thereby forming the particles.Type: GrantFiled: December 12, 2019Date of Patent: November 9, 2021Assignee: 7905122 Canada Inc.Inventors: Paul Jollez, Isabelle Bolduc
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Publication number: 20210252184Abstract: A chromogenic absorbent material for detecting a detectable substance in a water-containing medium, such as animal urine, is provided. The detectable substance may be indicative of a disease or condition, and the water-containing medium may be an excretion, blood, plasma, an aqueous solution or a solid impregnated with an aqueous solution. The chromogenic absorbent material may include a trigger agent, a chromogenic indicator convertible into a chromogenically active substance in the presence of the trigger agent and the detectable substance, and an absorptive material which is porous, for absorbing the water-containing medium. The absorptive material may include a water-absorbing polysaccharide providing absorptive properties to the chromogenic absorbent material. The trigger agent, the chromogenic indicator and the detectable substance are preferably unreactive to the absorptive material.Type: ApplicationFiled: May 3, 2021Publication date: August 19, 2021Inventors: Paul JOLLEZ, Isabelle BOLDUC, Stéphane CHEVIGNY, Olivier SIGOUIN
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Patent number: 11013823Abstract: A chromogenic absorbent material for detecting a detectable substance in a water-containing medium, such as animal urine, is provided. The detectable substance may be indicative of a disease or condition, and the water-containing medium may be an excretion, blood, plasma, an aqueous solution or a solid impregnated with an aqueous solution. The chromogenic absorbent material may include a trigger agent, a chromogenic indicator convertible into a chromogenically active substance in the presence of the trigger agent and the detectable substance, and an absorptive material which is porous, for absorbing the water-containing medium. The absorptive material may include a water-absorbing polysaccharide providing absorptive properties to the chromogenic absorbent material. The trigger agent, the chromogenic indicator and the detectable substance are preferably unreactive to the absorptive material.Type: GrantFiled: September 1, 2016Date of Patent: May 25, 2021Assignee: 7905122 CANADA INC.Inventors: Paul Jollez, Isabelle Bolduc, Stéphane Chevigny, Olivier Sigouin
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Publication number: 20200188880Abstract: A process for manufacturing particles of water-absorbing material is provided. The process includes providing a powder bed composed of an absorptive powder comprising a water-absorbing polysaccharide onto a surface; releasing an aqueous solution from a solution dispenser so as to contact the powder bed, thereby forming a solution-impregnated humid material; letting the solution-impregnated humid material agglomerate in substantially shear-less conditions to form an agglomerated humid material, the solution-impregnated humid material being supported by the surface; and drying the agglomerated humid material, thereby forming the particles.Type: ApplicationFiled: December 12, 2019Publication date: June 18, 2020Applicant: 7905122 Canada Inc.Inventors: Paul JOLLEZ, Isabelle BOLDUC
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Patent number: 10583420Abstract: A process for manufacturing particles of water-absorbing material is provided. The process includes providing a powder bed composed of an absorptive powder comprising a water-absorbing polysaccharide onto a surface; releasing an aqueous solution from a solution dispenser so as to contact the powder bed, 5 thereby forming a solution-impregnated humid material; letting the solution-impregnated humid material agglomerate in substantially shear-less conditions to form an agglomerated humid material, the solution-impregnated humid material being supported by the surface; and drying the agglomerated humid material, thereby forming the particles.Type: GrantFiled: September 30, 2015Date of Patent: March 10, 2020Assignee: 7905122 CANADA INC.Inventors: Paul Jollez, Isabelle Bolduc
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Publication number: 20190117823Abstract: A chromogenic absorbent material for detecting a detectable substance in a water-containing medium, such as animal urine, is provided. The detectable substance may be indicative of a disease or condition, and the water-containing medium may be an excretion, blood, plasma, an aqueous solution or a solid impregnated with an aqueous solution. The chromogenic absorbent material may include a trigger agent, a chromogenic indicator convertible into a chromogenically active substance in the presence of the trigger agent and the detectable substance, and an absorptive material which is porous, for absorbing the water-containing medium. The absorptive material may include a water-absorbing polysaccharide providing absorptive properties to the chromogenic absorbent material. The trigger agent, the chromogenic indicator and the detectable substance are preferably unreactive to the absorptive material.Type: ApplicationFiled: September 1, 2016Publication date: April 25, 2019Inventors: Paul JOLLEZ, Isabelle BOLDUC, Stéphane CHEVIGNY, Olivier SIGOUIN
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Publication number: 20180229218Abstract: A process for manufacturing particles of water-absorbing material is provided. The process includes providing a powder bed composed of an absorptive powder comprising a water-absorbing polysaccharide onto a surface; releasing an aqueous solution from a solution dispenser so as to contact the powder bed, 5 thereby forming a solution-impregnated humid material; letting the solution-impregnated humid material agglomerate in substantially shear-less conditions to form an agglomerated humid material, the solution-impregnated humid material being supported by the surface; and drying the agglomerated humid material, thereby forming the particles.Type: ApplicationFiled: September 30, 2015Publication date: August 16, 2018Inventors: Paul JOLLEZ, Isabelle BOLDUC
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Patent number: 9547000Abstract: A chromogenic absorbent material and related chromogenic solution, use, process and application for an animal litter. The chromogenic absorbent material includes an absorptive material for absorbing an animal excretion; an oxidizing agent responsive to peroxidatic/pseudoperoxidatic activity in the animal excretion to provide oxidizing activity; and an inclusion complex including a host compound and a guest compound, the guest compound being a chromogenic indicator associated with the host compound and being chromogenically responsive to the oxidizing activity of the oxidizing agent. The chromogenic absorbent material may be prepared from the chromogenic solution including the oxidizing agent and the inclusion complex. The chromogenic absorbent material may be used as particles combined with animal litter for detection of peroxidatic/pseudoperoxidatic activity in the animal excretion.Type: GrantFiled: March 14, 2013Date of Patent: January 17, 2017Assignee: 7905122 Canada Inc.Inventors: Marie-Cleo Gravel-Lacroix, Paul Jollez, Isabelle Bolduc
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Publication number: 20150233899Abstract: A chromogenic absorbent material and related chromogenic solution, use, process and application for an animal litter. The chromogenic absorbent material includes an absorptive material for absorbing an animal excretion; an oxidizing agent responsive to peroxidatic/pseudoperoxidatic activity in the animal excretion to provide oxidizing activity; and an inclusion complex including a host compound and a guest compound, the guest compound being a chromogenic indicator associated with the host compound and being chromogenically responsive to the oxidizing activity of the oxidizing agent. The chromogenic absorbent material may be prepared from the chromogenic solution including the oxidizing agent and the inclusion complex. The chromogenic absorbent material may be used as particles combined with animal litter for detection of peroxidatic/pseudoperoxidatic activity in the animal excretion.Type: ApplicationFiled: March 14, 2013Publication date: August 20, 2015Inventors: Marie-Cleo Gravel-Lacroix, Paul Jollez, Isabelle Bolduc
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Patent number: 8815135Abstract: A high-throughput process for the manufacture of absorbent unexpanded glass-like polysaccharides is disclosed. The process comprises the use of a twin screw extruder having turbulence and kneading sections, the kneading sections being located downstream from the turbulence sections.Type: GrantFiled: June 20, 2007Date of Patent: August 26, 2014Assignee: Archer Daniels Midland CompanyInventors: Edward Beecher, Isabelle Bolduc, Ralph Cutillo, Shuojia Dong
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Publication number: 20140235387Abstract: An active tensioning device for a looped cord of a window covering system. The active tensioning device comprises a body having a channel configured to receive a section of the looped cord therein. The channel has a first wall allowing the section of the looped cord to slide thereon and a second wall having at least one cord engaging member engageable with the section of the looped cord. The active tensioning device is pivotable about the looped cord between an inoperative configuration where the looped cord contacts the second wall of the channel and an operative configuration where the looped cord contacts the first wall of the channel. The active tensioning device is balanced to be urged towards the inoperative configuration by gravity.Type: ApplicationFiled: February 18, 2014Publication date: August 21, 2014Applicant: ALTEX DECORATION LIMITÉEInventors: Giovanni BERGAMASCHI, Isabelle BOLDUC, Bruno ARCHAMBAULT
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Patent number: 8710212Abstract: The present invention relates an absorbent material consisting of a molecular network of starch molecules, the starch molecules comprising an amylopectin content of at least 90% (w/w). The molecular network can either be comprised of self-entangled starches or cross-linked starches.Type: GrantFiled: March 26, 2004Date of Patent: April 29, 2014Assignee: Archer Daniels Midland CompanyInventors: Claude Thibodeau, David Bergeron, Isabelle Bolduc, Claude Couture, Nicolas Nourry
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Publication number: 20130296548Abstract: Surface-treated carboxyalkylated polysaccharides comprising a biobased content of at least 82% are described herein. The surface-treated carboxyalkylated polysaccharides comprise a CRC of at least 18 g/g, a FSC of at least 26 g/g, and an AUL at 0.7 psi of at least 14 g/g. Processes for the manufacture of surface-treated carboxyalkylated polysaccharides are also described herein.Type: ApplicationFiled: May 23, 2013Publication date: November 7, 2013Inventors: Danick Godin, George Koutlakis, Nicolas Nourry, Oscar Suarez-Hernandez, Andre Laforest, Isabelle Bolduc, Shoujia Dong, Caroline Lavergne
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Patent number: 8563466Abstract: The present invention relates to discrete particulate composite additives for superabsorbent polymers and includes a method of making same. The discrete particulate composite additives generally comprise a polysaccharide and an inert inorganic component. Advantageously, these discrete particulate composite additives functionally improve superabsorbent performance. They are suitable for a number of applications, including the use and manufacture of hygiene products.Type: GrantFiled: February 13, 2012Date of Patent: October 22, 2013Assignee: Archer Daniels Midland CompanyInventors: Stephane Chevigny, Shuojia Dong, Anne-Claude Couffin-Hoarau, Isabelle Bolduc, Mohammed Berrada, Claude Thibodeau
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Patent number: 8461129Abstract: Surface-treated carboxyalkylated polysaccharides comprising a biobased content of at least 82% are described herein. The surface-treated carboxyalkylated polysaccharides comprise a CRC of at least 18 g/g, a FSC of at least 26 g/g, and an AUL at 0.7 psi of at least 14 g/g. Processes for the manufacture of surface-treated carboxyalkylated polysaccharides are also described herein.Type: GrantFiled: September 25, 2007Date of Patent: June 11, 2013Assignee: Archer Daniels Midland CompanyInventors: Isabelle Bolduc, Anne-Claude Couffin, Shuojia Dong, Danick Godin, George Koutlakis, Nicole Lachapelle, André Laforest, Caroline Lavergne, Vladimiro Nettel, Nicolas Nourry, Frédéric Picard, Oscar Suarez-Hernandez, Catherine Theriault
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Publication number: 20120202236Abstract: A composite litter material for detecting a disease, such as urinary tract disease, when contacted by feline urine includes an absorptive polymer material forming a solid matrix, exfoliated clay embedded and dispersed within the solid matrix, a chromogenic indicator provided within the solid matrix, and an oxidizing agent distributed and stabilized within the solid matrix to be responsive to peroxidase activity in the urine to activate the chromogenic indicator. A method for detecting or diagnosing a feline disease includes contacting urine with the material and detecting a color change. A method of manufacturing the composite material includes preparing a mixture comprising the absorptive polymer and water and distributing the exfoliated clay, chromogenic indicator and oxidizing agent within the mixture, preferably by extrusion and addition of the components at particular points in processing the polymer mixture.Type: ApplicationFiled: May 21, 2010Publication date: August 9, 2012Applicant: 7905122 CANADA INC.Inventors: Paul Jollez, Isabelle Bolduc, Mohammed Berrada
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Publication number: 20120142525Abstract: The present invention relates to discrete particulate composite additives for superabsorbent polymers and includes a method of making same. The discrete particulate composite additives generally comprise a polysaccharide and an inert inorganic component. Advantageously, these discrete particulate composite additives functionally improve superabsorbent performance. They are suitable for a number of applications, including the use and manufacture of hygiene products.Type: ApplicationFiled: February 13, 2012Publication date: June 7, 2012Applicant: ARCHER DANIELS MIDLAND COMPANYInventors: Stéphane Chevigny, Shuojia Dong, Anne-Claude Couffin-Hoarau, Isabelle Bolduc, Mohammed Berrada, Claude Thibodeau
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Patent number: 8114809Abstract: The present invention relates to discrete particulate composite additives for superabsorbent polymers and includes a method of making same. The discrete particulate composite additives generally comprise a polysaccharide and an inert inorganic component. Advantageously, these discrete particulate composite additives functionally improve superabsorbent performance. They are suitable for a number of applications, including the use and manufacture of hygiene products.Type: GrantFiled: January 26, 2006Date of Patent: February 14, 2012Assignee: Archer Daniels Midland CompanyInventors: Stéphane Chevigny, Shuojia Dong, Anne-Claude Couffin-Hoarau, Isabelle Bolduc, Mohammed Berrada, Claude Thibodeau
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Publication number: 20080261807Abstract: The present invention relates to discrete particulate composite additives for superabsorbent polymers and includes a method of making same. The discrete particulate composite additives generally comprise a polysaccharide and an inert inorganic component. Advantageously, these discrete particulate composite additives functionally improve superabsorbent performance. They are suitable for a number of applications, including the use and manufacture of hygiene products.Type: ApplicationFiled: January 26, 2006Publication date: October 23, 2008Applicant: Archer-Daniels-Midland CompanyInventors: Stephane Chevigny, Shuojia Dong, Anne-Claude Couffin-Hoarau, Isabelle Bolduc, Mohammed Berrada, Claude Thibodeau
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Publication number: 20080177057Abstract: Surface-treated carboxyalkylated polysaccharides comprising a biobased content of at least 82% are described herein. The surface-treated carboxyalkylated polysaccharides comprise a CRC of at least 18 g/g, a FSC of at least 26 g/g, and an AUL at 0.7 psi of at least 14 g/g. Processes for the manufacture of surface-treated carboxyalkylated polysaccharides are also described herein.Type: ApplicationFiled: September 25, 2007Publication date: July 24, 2008Applicant: Archer-Daniels-Midland CompanyInventors: Isabelle Bolduc, Anne-Claude Couffin, Shuojia Dong, Danick Godin, George Koutlakis, Nicole Lachapelle, Andre LaForest, Caroline Lavergne, Vladimiro Nettel, Nicolas Nourry, Frederic Picard, Oscar Suarez-Hernandez, Catherine Theriault