Patents by Inventor Jacques LALEVEE
Jacques LALEVEE 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: 20250320389Abstract: Composition based on (meth)acrylate compounds The present invention relates to a crosslinkable two-component composition comprising: a component A comprising: an organocopper derivative; at least one (meth)acrylate compound M1; on condition that when the organocopper derivative is not halogenated, then component A also comprises a halogenated carboxylic acid; a component B comprising at least one compound having the formula (VI) below: and also to the uses thereof.Type: ApplicationFiled: May 30, 2023Publication date: October 16, 2025Inventors: Jérôme MAZAJCZYK, Alexis BARRAT, Frédéric SIMON, Jacques LALEVEE, Stéphane FOUQUAY
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Patent number: 12329877Abstract: A composition for use as a surgical adhesive for the adhesion of a material to a biological tissue, for the adhesion of biological tissues to one another, for the adhesion of a glue or of a substance to the surface of a biological tissue, as a surgical sealant, for blocking or plugging orifices created by a thread suture or staple suture or by a tissue resection, for blocking an orifice, an incision or a tear in a biological tissue, as a hemostatic agent for stopping bleeding, as a dressing on a biological tissue for covering and protecting a wound, for reinforcing a biological tissue, for attaching and stabilizing a biological tissue. The compositions include a polymerizable monomer with a phosphate function or a phosphonate function and a methacrylate function.Type: GrantFiled: February 19, 2020Date of Patent: June 17, 2025Inventors: Bertrand Perrin, Ariane Aubin, Jacques Lalevee, Jean-Philippe Schwebelen
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Publication number: 20250019579Abstract: The present invention relates to a crosslinkable two-component composition comprising: a component A comprising: a compound having one of the following formulae (Ia) or (Ib): and at least one (meth)acrylate monomer M1; a component B comprising at least one amine compound chosen from polyamines, dihydropyridine compounds, and mixtures thereof;Type: ApplicationFiled: November 18, 2022Publication date: January 16, 2025Inventors: Jérôme MAZAJCZYK, Stéphane FOUQUAY, Frédéric SIMON, Alexis BARRAT, Jacques LALEVEE
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Patent number: 12152175Abstract: The present invention relates to a two-component composition comprising: —a composition A comprising: —at least one reducing agent; —at least one (meth)acrylate monomer; —a composition B comprising: —at least one oxidising agent; and—optionally at least one (meth)acrylate monomer; the composition being characterised in that: —it comprises at least one radical photoinitiator in composition A and/or B; —it comprises at least one polymerisation inhibitor in an amount less than or equal to 0.3% by weight relative to the total weight of the composition.Type: GrantFiled: November 24, 2020Date of Patent: November 26, 2024Assignees: BOSTIK SA, UNIVERSITE DE HAUTEALSACE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Guillaume Michaud, Frédéric Simon, Stéphane Fouquay, Jacques Lalevee
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Publication number: 20240342060Abstract: The present invention relates to a dental impression material adapted to be cured by visible light, comprising a compound having one or more aliphatic unsaturated groups, a compound containing at least one silicon-bonded hydrogen atom and not having more than three hydrogen atoms attached to any one silicon atom, a photoactivatable catalyst component, and a specific initiator component.Type: ApplicationFiled: January 23, 2024Publication date: October 17, 2024Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim KLEE, Florian SZILLAT, Marjorie YON, Jurgen H. FIEDLER, Jacques LALEVEE, Julie KIRSCHNER, Laura PERRARD
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Publication number: 20240309129Abstract: The present invention relates to a crosslinkable two-component composition comprising: a component A comprising: an iodonium salt having one of the formulae (I-A), (I-B) or (I-C); at least one (meth)acrylate monomer M1 having one of the formulae (II), (III) or (IV); an organic or mineral acid having a pKa or pKa1 ranging from 0.3 to 5 measured in water at 25° C.; a copper salt or a copper complex; a component B comprising at least one dihydropyridine compound having one of the formulae (VI) to (X); said composition not comprising any peroxide.Type: ApplicationFiled: July 11, 2022Publication date: September 19, 2024Inventors: Jérôme MAZAJCZYK, Stéphane FOUQUAY, Frédéric SIMON, Guillaume MICHAUD, Alexis BARRAT, Jacques LALEVEE
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Publication number: 20240309130Abstract: The present invention relates to a crosslinkable two-component composition comprising: a component A comprising: an iodonium salt having one of the formulae (I-A), (I-B) or (I-C); at least one (meth)acrylate monomer M1; an organic or mineral acid having a pka or pka1 ranging from 0.3 to 5 measured in water at 25° C.; at least one photoinitiator P1; a component B comprising at least one dihydropyridine compound having one of the formulae (III) to (VI); said composition not comprising any peroxide.Type: ApplicationFiled: July 11, 2022Publication date: September 19, 2024Inventors: Jérôme MAZAJCZYK, Stéphane FOUQUAY, Frédéric SIMON, Guillaume MICHAUD, Alexis BARRAT, Jacques LALEVEE
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Publication number: 20240166926Abstract: The present invention relates to a crosslinkable two-component composition comprising: a component A comprising: a compound having the formula (I) below: at least one (meth)acrylate monomer M1 having one of the formulae (II), (Ill) or (IV); a component B comprising at least one compound having the formula (V) below: Rc—SO2?, Q+??(V) and also to the uses thereof.Type: ApplicationFiled: March 16, 2022Publication date: May 23, 2024Inventors: Jérôme MAZAJCZYK, Stéphane FOUQUAY, Frédéric SIMON, Guillaume MICHAUD, Alexis BARRAT, Jacques LALEVEE
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Patent number: 11844848Abstract: The present invention relates to a photocurable dental composition comprising a specific polymerization initiator system containing the combination of a photoinitiator compound and a coinitiator compound being a sulfinate compound or a sulfonate compound. The present invention also relates to the use of this polymerization initiator system in a photocurable dental composition.Type: GrantFiled: October 9, 2018Date of Patent: December 19, 2023Assignee: DENTSPLY SIRONA INC.Inventors: Florian Szillat, Maximilian Maier, Caroline Renn, Oliver Elsner, Joachim E. Klee, Jorg Kempter, Jacques Lalevee, Mariem Bouzrati-Zerelli, Julie Kirschner
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Publication number: 20230112218Abstract: The present invention relates to a new photo-initiating composition for red and near infrared-induced photopolymerization, method of using same in photopolymerization reactions and polymers obtained by such method.Type: ApplicationFiled: December 20, 2018Publication date: April 13, 2023Inventors: Aude-Heloise BONARDI, Jacques LALEVEE, Fabrice MORLET-SAVARY, Celine DIETLIN, Didier GIGMES, Frederic DUMUR
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Publication number: 20230022325Abstract: The present invention relates to a two-component composition comprising: —a composition A comprising: —at least one reducing agent; —at least one (meth)acrylate monomer; —a composition B comprising: —at least one oxidising agent; and—optionally at least one (meth)acrylate monomer; the composition being characterised in that: —it comprises at least one radical photoinitiator in composition A and/or B; —it comprises at least one polymerisation inhibitor in an amount less than or equal to 0.3% by weight relative to the total weight of the composition.Type: ApplicationFiled: November 24, 2020Publication date: January 26, 2023Inventors: Guillaume MICHAUD, Frédéric SIMON, Stéphane FOUQUAY, Jacques LALEVEE
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Publication number: 20230000727Abstract: The present invention is related to a dental composition comprising at least one polymerizable monomer having at least one ethylenically unsaturated group; and a radical initiator system comprising a photosensitizer haying an absorption maximum ranging from 400 nm to 800 nm; and at least one CH-acidic compound as coinitiator.Type: ApplicationFiled: August 28, 2020Publication date: January 5, 2023Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim E. KLEE, Florian SZILLAT, Julie KIRSCHNER, Jacques LALEVEE
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Patent number: 11384167Abstract: The present invention relates to compositions thermally curable on demand by red to near infrared irradiation, method of using same for thermal amplification of free radical polymerizations, and articles obtained by such method. The invention also relates to the use of a heat-generating dye in association with a thermal initiator for controlling the onset of thermal free radical polymerization.Type: GrantFiled: December 20, 2018Date of Patent: July 12, 2022Assignees: UNIVERSITE DE HAUTE-ALSACE, UNIVERSITE D'AIX-MARSEILLE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUEInventors: Aude-Heloise Bonardi, Jacques Lalevee, Fabrice Morlet-Savary, Celine Dietlin, Didier Gigmes, Frederic Dumur
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Publication number: 20220125988Abstract: A composition for use as a surgical adhesive for the adhesion of a material to a biological tissue, for the adhesion of biological tissues to one another, for the adhesion of a glue or of a substance to the surface of a biological tissue, as a surgical sealant, for blocking or plugging orifices created by a thread suture or staple suture or by a tissue resection, for blocking an orifice, an incision or a tear in a biological tissue, as a hemostatic agent for stopping bleeding, as a dressing on a biological tissue for covering and protecting a wound, for reinforcing a biological tissue, for attaching and stabilizing a biological tissue. The compositions include a polymerizable monomer with a phosphate function or a phosphonate function and a methacrylate function.Type: ApplicationFiled: February 19, 2020Publication date: April 28, 2022Applicants: COHESIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE HAUTE ALSACEInventors: Bertrand PERRIN, Ariane AUBIN, Jacques LALEVEE, Jean-Philippe SCHWEBELEN
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Patent number: 11166883Abstract: Dental composition comprising (a) a homogeneous phase comprising monomer combinations (i) and (ii), (i) and (iii), (ii) and (iii), or (i), (ii) and (iii), or comprising monomer (iii), wherein (i) represents one or more compounds having one or more radically polymerizable carbon-carbon double bonds; (ii) represents one or more compounds having one or more cationically polymerizable groups; and (iii) represents one or more compounds having a combination of one or more radically polymerizable carbon-carbon double bonds and one or more cationically polymerizable groups; (b) an initiator system comprising (iv) one or more radical polymerization initiator of the following formula (I): wherein M is Ge or Si; R1, R2 and R3 may be the same or different, independently represent an organic group, and R4 represents a hydrogen atom, an organic or organometallic group; provided that when R4 is a hydrogen atom, the initiator system further comprises a sensitizer compound having a light absorption maximum in the rangType: GrantFiled: April 7, 2017Date of Patent: November 9, 2021Assignee: DENTSPLY SIRONA Inc.Inventors: Joachim E Klee, Maximilian Maier, Christoph P. Fik, Jacques Lalevee, Jean Pierre Fouassier, Fabrice Morlet-Savary, Celine Dietlin, Mariem Bouzrati-Zerelli
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Publication number: 20210186825Abstract: The present invention relates to a dental impression material adapted to be cured by visible light, comprising a compound having one or more aliphatic unsaturated groups, a compound containing at least one silicon-bonded hydrogen atom and not having more than three hydrogen atoms attached to any one silicon atom, a photoactivatable catalyst component, and a specific initiator component.Type: ApplicationFiled: October 9, 2018Publication date: June 24, 2021Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim KLEE, Florian SZILLAT, Marjorie YON, Jurgen H. FIEDLER, Jacques LALEVEE, Julie KIRSCHNER, Laura PERRARD
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Publication number: 20210186821Abstract: The present invention relates to a photocurable dental composition comprising a specific polymerization initiator system containing the combination of a photoinitiator compound and a coinitiator compound being a sulfinate compound or a sulfonate compound. The present invention also relates to the use of this polymerization initiator system in a photocurable dental composition.Type: ApplicationFiled: October 9, 2018Publication date: June 24, 2021Applicant: DENTSPLY SIRONA Inc.Inventors: Florian SZILLAT, Maximilian MAIER, Caroline RENN, Oliver ELSNER, Joachim E. KLEE, Jorg KEMPTER, Jacques LALEVEE, Mariem BOUZRATI-ZERELLI, Julie KIRSCHNER
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Publication number: 20200362061Abstract: The present invention relates to compositions thermally curable on demand by red to near infrared irradiation, method of using same for thermal amplification of free radical polymerizations, and articles obtained by such method. The invention also relates to the use of a heat-generating dye in association with a thermal initiator for controlling the onset of thermal free radical polymerization.Type: ApplicationFiled: December 20, 2018Publication date: November 19, 2020Inventors: Aude-Heloise BONARDI, Jacques LALEVEE, Fabrice MORLET-SAVARY, Celine DIETLIN, Didier GIGMES, Frederic DUMUR
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Patent number: 10588830Abstract: The present invention relates to a dental composition comprising a specific polymerization initiator system comprising a compound having an acylsilyl- or acylgermanyl-group. The present invention also relates the use of the compound having an acylsilyl- or acylgermanyl group for the preparation of a dental composition.Type: GrantFiled: October 7, 2016Date of Patent: March 17, 2020Assignee: DENTSPLY SIRONA INC.Inventors: Joachim E. Klee, Florian Szillat, Maximilian Maier, Helmut Ritter, Jacques Lalevee, Jean Pierre Fouassier, Fabrice Morlet-Savary, Celine Dietlin, Mariem Bouzrati-Zerelli, Christoph P Fik
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Patent number: 10532009Abstract: Disclosed herein is a dental composition having a polymerization initiator system with an aromatic tertiary phosphine compound. Further disclosed is the use of the aromatic tertiary phospine compound for the preparation of a photocurable dental compositions.Type: GrantFiled: March 30, 2016Date of Patent: January 14, 2020Assignee: DENTSPLY SIRONA Inc.Inventors: Joachim Klee, Maximilian Maier, Jacques Lalevee, Christoph P. Fik, Jean Pierre Fouassier, Fabrice Morlet-Savary, Celine Dietlin