Patents by Inventor Jacques LALEVÉE
Jacques LALEVÉE 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: 20240099942Abstract: Radically polymerizable dental material, which includes a catalyst paste and a base paste, wherein the catalyst pastes includes an oxidizing agent, preferably a peroxide or hydroperoxide, a radically polymerizable monomer and/or oligomer with acid group and a polyfunctional radically polymerizable monomer, and the base paste comprises a polyfunctional radically polymerizable monomer without an acid group and a dihydropyridine derivative of Formula (1) The material has good mechanical properties and does not exhibit a bitter taste.Type: ApplicationFiled: August 29, 2023Publication date: March 28, 2024Inventors: Pascal Fässler, Iris Lamparth, Yohann Catel, Thomas Schnur, Jacques Lalevée, Estelle Thetiot
-
Patent number: 11925697Abstract: A photocurable dental impression material comprising: (a) a mixture of polymerizable silicone compounds each having two or more polymerizable (meth)acrylate groups, said mixture having a dynamic viscosity at 25° C. of from 1 to 100 Pas; (b) a filler; (c) a photo initiator system, wherein the mixture of polymerizable silicone compounds comprises based on the total weight of the mixture of polymerizable silicone compounds (a) 10 to 90 percent by weight of high-molecular polymerizable silicone compounds having a molecular weight in the range of from more than 4000 up to 10.000; and (b) 90 to 10 percent by weight of polymerizable silicone compounds having a molecular weight in the range of from 300 to 4000.Type: GrantFiled: March 7, 2019Date of Patent: March 12, 2024Assignee: DENTSPLY SIRONA INC.Inventors: Joachim Klee, Florian Szillat, Maximilian Maier, Marjorie Yon, Jacques Lalevée, Julie Kirschner, Fabrice Morlet-Savary, Céline Dietlin
-
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
-
Publication number: 20230374253Abstract: The present invention relates to a process for bringing a polymer composition above a threshold temperature on demand, wherein: the polymer composition comprises 0,01 to 0,5% weight of at least one heat-generating organic dye that generates heat above the threshold temperature when exposed to a given range of red to near-infrared irradiation, and the process comprises exposing the polymer composition to red to near-infrared irradiation at a wavelength within the red to near-infrared range where the heat-generating organic dye generates heat above the threshold temperature, the weight % being expressed with respect to the total weight of the polymer composition. The threshold temperature may be the glass transition temperature, the depolymerization temperature, the melting temperature, or the decomposition temperature of the polymer composition.Type: ApplicationFiled: July 22, 2021Publication date: November 23, 2023Inventors: Jacques LALEVÉE, Valentin LAUNAY, Aurore CARON, Guillaume NOIRBENT, Frédéric DUMUR, Didier GIGMES
-
Publication number: 20230355482Abstract: 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 having an absorption maximum ranging from 400 nm to 800 nm; and at least one thiophenium compound as coinitiator.Type: ApplicationFiled: September 23, 2021Publication date: November 9, 2023Applicant: DENTSPLY SIRONA Inc.Inventors: Jacques LALEVÉE, Mira ABDALLAH, Thomas TIGGES, Kira NEUHAUS, Caroline RENN, Liu HUAIBING
-
Publication number: 20230203239Abstract: The present invention relates to compositions (self-thermally) curable on demand under the triggering action of UV-visible to near-infrared irradiation of moderate intensity, method of using same for accelerated photopolyaddition of cyclic ether-anhydride resins or dark curing of cyclic ether-anhydride resins, and articles obtained by such method. The invention also relates to a resin casting, film or coated substrate, and an adhesive layer or bonding agent, comprising a cyclic ether-anhydride resin obtained by an accelerated curing process according to the invention. The invention additionally relates to the use of a composition of the invention for increasing the delamination strength of laminated composite materials.Type: ApplicationFiled: March 23, 2022Publication date: June 29, 2023Inventors: Jacques LALEVÉE, Haifaa MOKBEL, Tuba KAVALLI, Romain WOLF
-
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
-
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
-
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
-
Publication number: 20220332648Abstract: Disclosed is a curable composition for the manufacture, by stereolithography, of a green part made of a ceramic or metallic material, the curable composition including at least one ceramic and/or metallic powder; at least one polymerizable monomer and/or oligomer; at least one initiator for the polymerization of the polymerizable monomer(s) and/or oligomer(s). The initiator(s) are selected from iodonium, sulphonium and diazonium salts and onium salts in combination with at least one amine and/or at least one phosphine to form a charge transfer complex. The initiator(s) may generate the initiation of a thermal polymerization under the exposure to at least one source of UV, visible or IR irradiation.Type: ApplicationFiled: April 8, 2022Publication date: October 20, 2022Inventors: Christophe CHAPUT, Richard GAIGNON, Cindy SCHICK, Stéphane SCHWEIZER, Mariem BOUZRATI-ZERELLI, Jacques LALEVÉE
-
Publication number: 20220331209Abstract: The present invention is related to a dental composition comprising: (a) at least one polymerizable monomer having at least one ethylenically unsaturated group; (b) a radical initiator system comprising (i) a photosensitizer having an absorption maximum ranging from 400 nm to 800 nm; (ii) a coinitiator; and (iii) a compound of the following formula (1): wherein R1 and R2, which may be the same or different, independently represent a hydrogen atom, a C1-6 alkyl group, or a C1-6 alkoxy group; R3 and R4, which may be the same or different, independently represent a hydrogen atom, or a C1-6 alkyl group, or R3 and R4 may represent a bond so that the carbon atoms to which R3 and R4 are bonded are linked by a double bond; R5 and R6, which may be the same or different, independently represent a hydrogen atom, or a C1-6 alkyl group, or R5 and R6 may represent a bond so that the carbon atoms to which R5 and R6 are bonded are linked by a double bond; L represents a single bond or a group —CRH—, whereinType: ApplicationFiled: September 10, 2020Publication date: October 20, 2022Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim E. KLEE, Florian SZILLAT, Jacques LALEVÉE, Julie KIRSCHNER, Fabrice MORLET-SAVARY
-
Publication number: 20220226198Abstract: A redox curing dental composition comprising: a. one or more compounds having a radical polymerizable carbon-carbon double bond; b. a redox initiator system comprising a reducing agent which is a compound of the following formula (I): wherein R1 and R2 which may be the same or different, independently represent a C1-18 hydrocarbyl group, or R1 and R2 form together with the silicon atom to which they are bonded a 3 to 8-membered silicon-containing alicyclic ring, which groups R1 and/or R2 may be substituted with one to three substituents selected from the group consisting of a C1-6 alkoxy group, a halogen atom, or a carboxylic acid group; and (ii) an oxidizing agent adapted to oxidize the reducing agent of formula (I) in the absence of light for generating a radical capable of initiating radical polymerization of the one or more compounds having a radical polymerizable carbon-carbon double bond.Type: ApplicationFiled: April 17, 2020Publication date: July 21, 2022Applicant: DENTSPLY SIRONA INC.Inventors: Florian SZILLAT, Jacques LALEVÉE, Caroline RENN
-
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
-
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
-
Publication number: 20210363286Abstract: The present invention relates to compositions (self-thermally) curable on demand under the triggering action of UV-visible to near-infrared irradiation of moderate intensity, method of using same for accelerated photopolyaddition of cyclic ether-amine resins or ultrafast dark curing of cyclic ether-amine resins, and articles obtained by such method. The invention also relates to a resin casting, film or coated substrate, and an adhesive layer or bonding agent, comprising acyclic ether-amine resin obtained by an accelerated curing process according to the invention. The invention additionally relates to the use of a composition of the invention for increasing the delamination strength of laminated composite materials.Type: ApplicationFiled: September 25, 2019Publication date: November 25, 2021Inventors: Patxi GARRA, Jacques LALEVÉE, Fabrice MORLET-SAVARY, Céline DIETLIN, Aurore CARON
-
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
-
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
-
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
-
Publication number: 20210106503Abstract: A photocurable dental impression material comprising: (a) a mixture of polymerizable silicone compounds each having two or more polymerizable (meth)acrylate groups, said mixture having a dynamic viscosity at 25° C. of from 1 to 100 Pas; (b) a filler; (c) a photo initiator system, wherein the mixture of polymerizable silicone compounds comprises based on the total weight of the mixture of polymerizable silicone compounds (a) 10 to 90 percent by weight of high-molecular polymerizable silicone compounds having a molecular weight in the range of from more than 4000 up to 10.000; and (b) 90 to 10 percent by weight of polymerizable silicone compounds having a molecular weight in the range of from 300 to 4000.Type: ApplicationFiled: March 7, 2019Publication date: April 15, 2021Applicant: DENTSPLY SIRONA Inc.Inventors: Joachim KLEE, Florian SZILLAT, Maximilian MAIER, Marjorie YON, Jacques LALEVÉE, Julie KIRSCHNER, Fabrice MORLET-SAVARY, Céline DIETLIN
-
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