Patents by Inventor Eynat Matzner
Eynat Matzner 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: 20240092033Abstract: Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Applicant: Stratasys Ltd.Inventors: Yuval VIDAVSKY, Dani PERI, Mariana POKRASS, Avraham LEVY, Eynat MATZNER
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Patent number: 11850802Abstract: Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.Type: GrantFiled: December 6, 2021Date of Patent: December 26, 2023Assignee: Stratasys Ltd.Inventors: Yuval Vidavsky, Dani Peri, Mariana Pokrass, Avraham Levy, Eynat Matzner
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Patent number: 11658279Abstract: Prelithiation methods and fast charging lithium ion cell are provided, which combine high energy density and high power density. Several structural and chemical modifications are disclosed to enable combination of features that achieve both goals simultaneously in fast charging cells having long cycling lifetime. The cells have anodes with high content of Si, Ge and/or Sn as principal anode material, and cathodes providing a relatively low C/A ratio, with the anodes being prelithiated to have a high lithium content, provided by a prelithiation algorithm. Disclosed algorithms determine lithium content achieved through prelithiation by optimizing the electrolyte to increase cycling lifetime, adjusting energy density with respect to other cell parameters, and possibly reducing the C/A ratio to maintain the required cycling lifetime.Type: GrantFiled: January 7, 2020Date of Patent: May 23, 2023Assignee: STOREDOT LTD.Inventors: Ivgeni Shterenberg, Eran Sella, Eynat Matzner, Shirel Cohen, Hadar Mazor Shafir, Daniel Aronov
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Publication number: 20230104954Abstract: The present invention provides a process for preparing the compound 5-fluoro-4-imine-3-methyl-1-(phenyl-4-sulfonyl)-3,4-dihydro-1H-pyrimidin-2-one having the formula (I): comprising (a) reacting 5-fluorocytosine with compound having the formula (III): in the presence of at least one polar solvent and at least one base to obtain the compound having the formula (II) and (b) reacting compound having the formula (II) with dimethylsulphate (DMS), wherein R is hydrogen, alkyl, alkenyl, alkynyl, alkoxy, haloalkyl, haloalkoxy, alkylthio, haloalkylthio, amino, alkylamino, dialkylamino, alkoxycarbonyl, alkyl carbonyl, hydroxyalkyl, ester, acid halogen, —SH, —OH, —NH2, —NO2, —CN or CF3, and X is a halogen or —OSO2PhR.Type: ApplicationFiled: March 9, 2021Publication date: April 6, 2023Applicant: Adama Makhteshim Ltd.Inventors: Samaa Alasibi, Gal Suez, Eynat Matzner
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Publication number: 20220379548Abstract: Provided are methods of fabricating an object, effected by jetting two or more different compositions, each containing a different material or mixture of materials, which, when contacted on a receiving medium, undergo a chemical reaction therebetween to form the building material. The chemical composition of the formed building material is dictated by a ratio of the number of voxels of each composition in a voxel block. Systems for executing the methods, and printed objects obtained thereby are also provided.Type: ApplicationFiled: August 1, 2022Publication date: December 1, 2022Applicant: Stratasys Ltd.Inventors: Eynat MATZNER, Ira YUDOVIN-FARBER, Shai HIRSCH, Lev KUNO
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Patent number: 11502295Abstract: Methods of preparing Si-based anode slurries and anode made thereof are provided. Methods comprise coating silicon particles within a size range of 300-700 nm by silver and/or tin particles within a size range of 20-500 nm, mixing the coated silicon particles with conductive additives and binders in a solvent to form anode slurry, and preparing an anode from the anode slurry. Alternatively or complementarily, silicon particles may be milled in an organic solvent, and, in the same organic solvent, coating agent(s), conductive additive(s) and binder(s) may be added to the milled silicon particles—to form the Si-based anode slurry. Alternatively or complementarily, milled silicon particles may be mixed, in a first organic solvent, with coating agent(s), conductive additive(s) and binder(s)—to form the Si-based anode slurry. Disclosed methods simplify the anode production process and provide equivalent or superior anodes.Type: GrantFiled: January 2, 2020Date of Patent: November 15, 2022Assignee: STOREDOT LTD.Inventors: Eran Sella, Eynat Matzner, Tal Chen, Michael Kulbak
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Publication number: 20220219390Abstract: Methods of fabricating three-dimensional rubber-like objects which utilize one or more modeling material formulations which comprise an elastomeric curable material and silica particles are provided. Objects made of the modeling material formulations and featuring improved mechanical properties are also provided.Type: ApplicationFiled: March 29, 2022Publication date: July 14, 2022Applicant: Stratasys Ltd.Inventors: Eynat MATZNER, Shiran LUPO, Shai HIRSCH, Ophira MELAMED
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Patent number: 11318670Abstract: Methods of fabricating three-dimensional rubber-like objects which utilize one or more modeling material formulations which comprise an elastomeric curable material and silica particles are provided. Objects made of the modeling material formulations and featuring improved mechanical properties are also provided.Type: GrantFiled: May 29, 2017Date of Patent: May 3, 2022Assignee: Stratasys Ltd.Inventors: Eynat Matzner, Shiran Lupo, Shai Hirsch, Ophira Melamed
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Publication number: 20220088884Abstract: Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.Type: ApplicationFiled: December 6, 2021Publication date: March 24, 2022Applicant: Stratasys Ltd.Inventors: Yuval VIDAVSKY, Dani PERI, Mariana POKRASS, Avraham LEVY, Eynat MATZNER
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Publication number: 20220040913Abstract: Formulation systems usable for fabricating a three-dimensional object made of a polyamide-containing material, by three-dimensional 3D inkjet printing, and methods and systems utilizing same, are provided. The formulation systems are formed of at least a first and second model formulations containing a lactam and a catalyst for inducing anionic ring opening polymerization of the lactam in the first formulation, and an activator for promoting anionic ring opening polymerization of the lactam in the second formulation, and are further characterized as: including in the first and/or second formulation a compound capable of increasing a rate of said polymerization upon exposure to said curing energy; including as an activator a lactam-blocked polyisocyanate; and/or as including in the first model formulation at least one material capable of reducing a melting point of said first model formulation. Formulation systems usable at a selected ratio are also provided.Type: ApplicationFiled: October 26, 2021Publication date: February 10, 2022Applicant: Stratasys Ltd.Inventors: Lev KUNO, Ira YUDOVIN-FARBER, Liora DAMARI, Eynat MATZNER
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Patent number: 11207839Abstract: Novel support material formulations, characterized as providing a cured support material with improved dissolution rate, while maintaining sufficient mechanical strength, are disclosed. The formulations comprise a water-miscible non-curable polymer, a first water-miscible, curable material and a second, water-miscible material that is selected capable of interfering with intermolecular interactions between polymeric chains formed upon exposing the first water-miscible material to curing energy. Methods of fabricating a three-dimensional object, and a three-dimensional object fabricated thereby are also disclosed.Type: GrantFiled: August 14, 2016Date of Patent: December 28, 2021Assignee: Stratasys Ltd.Inventors: Yuval Vidavsky, Dani Peri, Mariana Pokrass, Avraham Levy, Eynat Matzner
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Patent number: 11196039Abstract: Methods of preparing Si-based anode slurries and anode made thereof are provided. Methods comprise coating silicon particles within a size range of 300-700 nm by silver and/or tin particles within a size range of 20-500 nm, mixing the coated silicon particles with conductive additives and binders in a solvent to form anode slurry, and preparing an anode from the anode slurry. Alternatively or complementarily, silicon particles may be milled in an organic solvent, and, in the same organic solvent, coating agent(s), conductive additive(s) and binder(s) may be added to the milled silicon particles—to form the Si-based anode slurry. Alternatively or complementarily, milled silicon particles may be mixed, in a first organic solvent, with coating agent(s), conductive additive(s) and binder(s)—to form the Si-based anode slurry. Disclosed methods simplify the anode production process and provide equivalent or superior anodes.Type: GrantFiled: January 2, 2020Date of Patent: December 7, 2021Assignee: STOREDOT LTD.Inventors: Eran Sella, Eynat Matzner, Maxim Kagan, Yaron Ideses, Moria Koren
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Patent number: 11173653Abstract: Formulation systems usable for fabricating a three-dimensional object made of a polyamide-containing material, by three-dimensional 3D inkjet printing, and methods and systems utilizing same, are provided. The formulation systems are formed of at least a first and second model formulations containing a lactam and a catalyst for inducing anionic ring opening polymerization of the lactam in the first formulation, and an activator for promoting anionic ring opening polymerization of the lactam in the second formulation, and are further characterized as: including in the first and/or second formulation a compound capable of increasing a rate of said polymerization upon exposure to said curing energy; including as an activator a lactam-blocked polyisocyanate; and/or as including in the first model formulation at least one material capable of reducing a melting point of said first model formulation. Formulation systems usable at a selected ratio are also provided.Type: GrantFiled: February 5, 2017Date of Patent: November 16, 2021Assignee: Stratasys Ltd.Inventors: Lev Kuno, Ira Yudovin-Farber, Liora Damari, Eynat Matzner
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Publication number: 20210218005Abstract: Lithium ion batteries, cell stacks, separators and methods of producing thereof are provided. Separators comprise lithium coating on at least a part of a separator sheet, possibly with a protective layer made of a soluble polymer that covers the lithium coating from one or both sides of the separator sheet. Cell stacks are assembled with disclosed separators, in ways that may physically attach the lithium coating to the electrodes (anode(s) and/or cathode(s)) to prelithiate or lithiate them, respectively; and/or electrochemical processes may be used to deliver lithium from the coating to the respective electrodes. Disclosed methods increase the energy capacity and the stability of the formed lithium ion batteries, yielding energy-dense, long-living and fast charging batteries.Type: ApplicationFiled: January 9, 2020Publication date: July 15, 2021Applicant: Storedot Ltd.Inventors: Eynat MATZNER, Daniel ARONOV
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Publication number: 20210210747Abstract: Methods of preparing Si-based anode slurries and anode made thereof are provided. Methods comprise coating silicon particles within a size range of 300-700 nm by silver and/or tin particles within a size range of 20-500 nm, mixing the coated silicon particles with conductive additives and binders in a solvent to form anode slurry, and preparing an anode from the anode slurry. Alternatively or complementarily, silicon particles may be milled in an organic solvent, and, in the same organic solvent, coating agent(s), conductive additive(s) and binder(s) may be added to the milled silicon particles—to form the Si-based anode slurry. Alternatively or complementarily, milled silicon particles may be mixed, in a first organic solvent, with coating agent(s), conductive additive(s) and binder(s)—to form the Si-based anode slurry. Disclosed methods simplify the anode production process and provide equivalent or superior anodes.Type: ApplicationFiled: January 2, 2020Publication date: July 8, 2021Applicant: Storedot Ltd.Inventors: Eran Sella, Eynat Matzner, Maxim Kagan, Yaron Ideses, Moria Koren
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Publication number: 20210210754Abstract: Methods of preparing Si-based anode slurries and anode made thereof are provided. Methods comprise coating silicon particles within a size range of 300-700 nm by silver and/or tin particles within a size range of 20-500 nm, mixing the coated silicon particles with conductive additives and binders in a solvent to form anode slurry, and preparing an anode from the anode slurry. Alternatively or complementarily, silicon particles may be milled in an organic solvent, and, in the same organic solvent, coating agent(s), conductive additive(s) and binder(s) may be added to the milled silicon particles—to form the Si-based anode slurry. Alternatively or complementarily, milled silicon particles may be mixed, in a first organic solvent, with coating agent(s), conductive additive(s) and binder(s)—to form the Si-based anode slurry. Disclosed methods simplify the anode production process and provide equivalent or superior anodes.Type: ApplicationFiled: January 2, 2020Publication date: July 8, 2021Applicant: Storedot Ltd.Inventors: Eran SELLA, Eynat MATZNER, Tal CHEN, Michael KULBAK
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Publication number: 20210210741Abstract: Prelithiation methods and fast charging lithium ion cell are provided, which combine high energy density and high power density. Several structural and chemical modifications are disclosed to enable combination of features that achieve both goals simultaneously in fast charging cells having long cycling lifetime. The cells have anodes with high content of Si, Ge and/or Sn as principal anode material, and cathodes providing a relatively low C/A ratio, with the anodes being prelithiated to have a high lithium content, provided by a prelithiation algorithm. Disclosed algorithms determine lithium content achieved through prelithiation by optimizing the electrolyte to increase cycling lifetime, adjusting energy density with respect to other cell parameters, and possibly reducing the C/A ratio to maintain the required cycling lifetime.Type: ApplicationFiled: January 7, 2020Publication date: July 8, 2021Applicant: Storedot Ltd.Inventors: Ivgeni SHTERENBERG, Eran SELLA, Eynat MATZNER, Shirel COHEN, Hadar MAZOR SHAFIR, Daniel ARONOV
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Patent number: 11001725Abstract: Methods for fabricating three-dimensional objects by 3D-inkjet printing technology are provided. The methods utilize curable materials that polymerize via ring-opening metathesis polymerization (ROMP) in combination with toughening agents for fabricating the object. Systems suitable for performing these methods and kits containing modeling material formulations usable in the methods are also provided.Type: GrantFiled: February 5, 2017Date of Patent: May 11, 2021Assignee: Stratasys Ltd.Inventors: Yuval Vidavsky, Ira Yudovin-Farber, Asher Razlan, Lev Kuno, Eynat Matzner
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Publication number: 20200331196Abstract: Described herein is a method of additive manufacturing of a three-dimensional object having an agent which promotes electroless metal deposition dispersed therein in a configured pattern. The method utilizes modeling material formulation(s) which comprise and/or are capable of generating such an agent. Further described is a method of manufacturing a three-dimensional object having an electrically-conductive material dispersed in a configured pattern. The method utilizes an object having an agent which promotes electroless metal deposition dispersed therein in a configured pattern and manufactured by the aforementioned method, and proceeds by contacting the three-dimensional object with an electroless deposition solution so as to effect the electroless deposition onto the configured pattern. Further described are kits for use in additive manufacturing as described herein; as well as three-dimensional objects which may be manufactured as described herein.Type: ApplicationFiled: June 30, 2020Publication date: October 22, 2020Applicant: Stratasys Ltd.Inventors: Efraim DVASH, Ira YUDOVIN-FARBER, Eynat MATZNER
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Publication number: 20190224914Abstract: Methods of fabricating three-dimensional rubber-like objects which utilize one or more modeling material formulations which comprise an elastomeric curable material and silica particles are provided. Objects made of the modeling material formulations and featuring improved mechanical properties are also provided.Type: ApplicationFiled: May 29, 2017Publication date: July 25, 2019Applicant: Stratasys Ltd.Inventors: Eynat MATZNER, Shiran LUPO, Shai HIRSCH, Ophira MELAMED