Patents by Inventor Christelle DEBRAUWER
Christelle DEBRAUWER 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: 11891530Abstract: The present disclosure concerns non-aqueous gel writing ink including a solvent, a coloring agent and a gelling agent, in which the gelling agent is a mixture of silica particles and of a fatty acid amide wax. It also concerns the process of preparation of the non-aqueous gel writing ink and the use of a mixture of silica particles and of a fatty acid amide wax, as a gelling agent in a non-aqueous gel writing ink. It finally concerns a writing instrument containing the ink according to the present disclosure.Type: GrantFiled: December 19, 2018Date of Patent: February 6, 2024Assignee: SOCIETE BICInventors: Guillaume Caffier, Anne-Lise Damiano, Christelle Debrauwer, Claire Evrard, Wing Yam Liu
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Patent number: 11655387Abstract: A thermochromic pigment composition including: (A) at least one electron-donor organic dye compound, (B) at least one electron-acceptor compound, and (C) at least one compound corresponding to the following formula (I): in which: X is 0 or a single bond, Z is COO or OCO, R1 is O-alkyl or (CH2)mCH3—R2 is OCO(CH2)nCH3 or H, —y=0-3, —m=12-18; —p=8-18, and on the condition that, when X is 0, y is other than 0. The thermochromic pigment composition are also useable in thermochromic pigment microcapsules ink compositions including the thermochromic pigment microcapsules, and writing instruments including the ink compositions.Type: GrantFiled: April 24, 2018Date of Patent: May 23, 2023Assignee: Société BicInventors: Christelle Debrauwer, Anne-Lise Damiano, Alexander Bourque, Francois Foulonneau, Guillaume Chollet
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Patent number: 11629256Abstract: A thermochromic pigment composition comprising: (A) at least one electron-donor organic dye compound, (B) at least one electron-acceptor compound, and (C) at least one compound. The thermochromic pigment composition is microencapsulated and is useable in writing instruments.Type: GrantFiled: February 16, 2018Date of Patent: April 18, 2023Assignee: Societe BicInventors: Christelle Debrauwer, Anne-Lise Damiano, Alexander Bourque
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Patent number: 11286397Abstract: An alcohol-based dry-erasable ink for a writing instrument including, as separation agent, a mixture of glycerol, glycol and pentaerythritol ester.Type: GrantFiled: April 16, 2018Date of Patent: March 29, 2022Assignee: SOCIÉTÉ BICInventors: Carine Bethouart, Philippe Lefebvre, Christelle Debrauwer
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Patent number: 11117415Abstract: A writing instrument including a main body provided with a writing tip. The writing tip being supplied with ink by a free ink-type reservoir equipped with a pressure regulating device for regulating the pressure within the reservoir. The pressure regulating device includes at least one microfluidic valve.Type: GrantFiled: June 14, 2018Date of Patent: September 14, 2021Assignee: Societe BICInventors: Olivier Albenge, Laudine Buge, Christelle Debrauwer, Anne-Lise Damiano, Claire Evrard
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Patent number: 11072722Abstract: A pencil lead and a pencil containing the pencil lead wherein the pencil lead is polymer-based, extrudable, non-expanded, non-calcined and comprises graphite, of which 25% to 100% by weight or 50% to 100% by weight of the graphite, in relation to the total weight of the graphite, is expanded graphite.Type: GrantFiled: April 9, 2018Date of Patent: July 27, 2021Assignee: SOCIETE BICInventors: Julien Gouerec, Frédéric Claptien, Philippe Lefebvre, Christelle Debrauwer
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Patent number: 10994568Abstract: A compensation membrane and a pen or the equivalent including a compensation membrane. The compensation membrane being configured for compensating a pressure difference between the outside and the inside of a free ink reservoir of a pen or the equivalent. The membrane including a first portion having a first rigidity and a second portion having a second rigidity, the first rigidity being less than the second rigidity.Type: GrantFiled: November 26, 2019Date of Patent: May 4, 2021Assignee: SOCIETE BICInventors: Anne-Lise Damiano, Olivier Albenge, Christelle Debrauwer
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Publication number: 20210122936Abstract: A thermochromic pigment composition including: (A) at least one electron-donor organic dye compound, (B) at least one electron-acceptor compound, and (C) at least one compound corresponding to the following formula (I): in which: X is 0 or a single bond, Z is COO or OCO, R1 is O-alkyl or (CH2)mCH3—R2 is OCO(CH2)nCH3 or H, —y=0-3, —m=12-18; —p=8-18, and on the condition that, when X is 0, y is other than 0. The thermochromic pigment composition are also useable in thermochromic pigment microcapsules ink compositions including the thermochromic pigment microcapsules, and writing instruments including the ink compositions.Type: ApplicationFiled: April 24, 2018Publication date: April 29, 2021Inventors: Christelle DEBRAUWER, Anne-Lise DAMIANO, Alexander BOURQUE, Francois FOULONNEAU, Guillaume CHOLLET
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Publication number: 20210108099Abstract: The present disclosure concerns non-aqueous gel writing ink including a solvent, a coloring agent and a gelling agent, in which the gelling agent is a mixture of silica particles and of a fatty acid amide wax. It also concerns the process of preparation of the non-aqueous gel writing ink and the use of a mixture of silica particles and of a fatty acid amide wax, as a gelling agent in a non-aqueous gel writing ink. It finally concerns a writing instrument containing the ink according to the present disclosure.Type: ApplicationFiled: December 19, 2018Publication date: April 15, 2021Inventors: Guillaume CAFFIER, Anne-Lise DAMIANO, Christelle DEBRAUWER, Claire EVRARD, Wing Yam LIU
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Publication number: 20210102083Abstract: A thermochromic pigment composition including: (A) at least one electron-donor organic dye compound, (B) at least one electron-acceptor compound, and (C) at least one compound responding to the following formula (I), in which: R1 is H or a phenyl group, —R2 is H or a phenyl group, and -n=1-8. The thermochromic pigment composition includes thermochromic pigment microcapsules ink compositions including such thermochromic pigment microcapsules, and writing instruments including such ink compositions.Type: ApplicationFiled: April 24, 2018Publication date: April 8, 2021Inventors: Christelle DEBRAUWER, Anne-Lise DAMIANO, Alexander BOURQUE, Francois FOULONNEAU, Guillaume CHOLLET
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Publication number: 20200207699Abstract: A thermochromic pigment composition including compounds of formula (I): in which: X represents CHR2, O, OCO or CH?CH; Y represents O, COO, or OCOO; R1 represents H or (CH2)pCH3; R2 represents phenyl or H; m=12-18; n=0-14; p=12-18; and on the condition that, if n=0, X represents CHR2 or CH?CH. The thermochromic pigment compositions having compounds of formula (I), include thermochromic pigment microcapsules. The thermochromic pigment capsules are useable for thermochromic pigment compositions in ink which may be used writing instruments.Type: ApplicationFiled: April 24, 2018Publication date: July 2, 2020Inventors: Christelle DEBRAUWER, Anne-Lise DAMIANO, Alexander BOURQUE, Francois FOULONNEAU, Guillaume CHOLLET
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Publication number: 20200207144Abstract: A writing instrument including a main body provided with a writing tip. The writing tip being supplied with ink by a free ink-type reservoir equipped with a pressure regulating device for regulating the pressure within the reservoir. The pressure regulating device includes at least one microfluidic valve.Type: ApplicationFiled: June 14, 2018Publication date: July 2, 2020Applicant: Societe BICInventors: Olivier ALBENGE, Laudine BUGE, Christelle DEBRAUWER, Anne-Lise DAMIANO, Claire EVRARD
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Patent number: 10696854Abstract: The disclosure relates to a solvent-free photocrosslinkable writing ink advantageously for a pen, including, as a percentage by weight relative to the total weight of the ink: a—between 40 and 75% of a photocrosslinkable acrylate and/or methacrylate oligomer, b—between 1 and 55%, optionally, of a photocrosslinkable acrylate and/or methacrylate monomer, c—between 0.5 and 6% of a photoinitiator, d—between 1 and 10% of a dye, advantageously a basic dye, and e—between 0 and 10% of an additive. The present disclosure further relates to a method for securing a writing medium using the ink, the crosslinked ink obtained by crosslinking the ink and a pen for photocrosslinkable ink including the ink.Type: GrantFiled: June 12, 2015Date of Patent: June 30, 2020Assignee: SOCIETE BICInventors: Nadège Esteveny, Kathy Vuillaume, Christelle Debrauwer
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Patent number: 10662341Abstract: The present disclosure relates to a water-based correction fluid comprising a—a photocrosslinkable acrylate and/or methacrylate oligomer, b—a photoinitiator, c—an opacifying agent, and d—water, e—optionally a photocrosslinkable acrylate and/or methacrylate monomer, and f—optionally an additive. The fluid has a dry extract of between 40 and 80% by weight relative to the total weight of the fluid, advantageously between 54 and 66%, and forms a film after drying comprising at least 40% by weight of opacifying agent relative to the total weight of the film, advantageously between 40 and 80% by weight. The present disclosure also relates to a device for applying the correction fluid and a process for covering a mark on a paper support using the correction fluid.Type: GrantFiled: June 12, 2015Date of Patent: May 26, 2020Assignee: SOCIETE BICInventors: Christelle Debrauwer, Coralie Fricou, Khalid Zahouily
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Publication number: 20200115581Abstract: A pencil lead and a pencil containing the pencil lead wherein the pencil lead is polymer-based, extrudable, non-expanded, non-calcined and comprises graphite, of which 25% to 100% by weight or 50% to 100% by weight of the graphite, in relation to the total weight of the graphite, is expanded graphite.Type: ApplicationFiled: April 9, 2018Publication date: April 16, 2020Inventors: Julien GOUEREC, Frédéric CLAPTIEN, Philippe LEFEBVRE, Christelle DEBRAUWER
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Publication number: 20200094609Abstract: A compensation membrane and a pen or the equivalent including a compensation membrane. The compensation membrane being configured for compensating a pressure difference between the outside and the inside of a free ink reservoir of a pen or the equivalent. The membrane including a first portion having a first rigidity and a second portion having a second rigidity, the first rigidity being less than the second rigidity.Type: ApplicationFiled: November 26, 2019Publication date: March 26, 2020Inventors: Anne-Lise DAMIANO, Olivier ALBENGE, Christelle DEBRAUWER
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Publication number: 20200048483Abstract: A dry erase ink for a writing instrument. The dry erase ink includes, as the main organic solvent, a solvent selected from the group consisting of n-propyl acetate, isopropyl acetate, or mixtures thereof.Type: ApplicationFiled: April 16, 2018Publication date: February 13, 2020Applicant: SOCIÉTÉ BICInventors: Carine BETHOUART, Philippe LEFEBVRE, Christelle DEBRAUWER
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Publication number: 20200048484Abstract: An alcohol-based dry-erasable ink for a writing instrument including, as separation agent, a mixture of glycerol, glycol and pentaerythritol ester.Type: ApplicationFiled: April 16, 2018Publication date: February 13, 2020Applicant: SOCIÉTÉ BICInventors: Carine BETHOUART, Philippe LEFEBVRE, Christelle DEBRAUWER
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Patent number: 10518572Abstract: A compensation membrane for compensating a pressure difference between the outside and the inside of a free ink reservoir of a pen or the equivalent, the membrane comprising a first portion having a first rigidity, and a second portion having a second rigidity, the first rigidity being less than the second rigidity. A pen or the equivalent comprising a free ink reservoir provided with such a compensation membrane.Type: GrantFiled: October 22, 2015Date of Patent: December 31, 2019Assignee: SOCIETE BICInventors: Anne-Lise Damiano, Olivier Albenge, Christelle Debrauwer
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Publication number: 20190382585Abstract: A thermochromic pigment composition comprising: (A) at least one electron-donor organic dye compound, (B) at least one electron-acceptor compound, and (C) at least one compound. The thermochromic pigment composition is microencapsulated and is useable in writing instruments.Type: ApplicationFiled: February 16, 2018Publication date: December 19, 2019Applicant: SOCIETE BICInventors: Christelle DEBRAUWER, Anne-Lise DAMIANO, Alexander BOURQUE