Patents by Inventor Robert Dubrow
Robert Dubrow 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: 10707371Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: GrantFiled: December 22, 2017Date of Patent: July 7, 2020Assignee: Nanosys, Inc.Inventors: Wenzhuo Guo, Jian Chen, Robert Dubrow, William P. Freeman
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Publication number: 20190210020Abstract: Nanofluidic chips are described herein that are configured for high-volume manufacturing and maintaining sample integrity in multiplexed devices comprising: at least two devices, wherein each device comprises at least one sample inlet and at least one nanochannel; and a detection region, wherein the at least two devices pass through the detection region and wherein the at least two devices are fluidically distinct from the inlet through the detection region, and wherein actuation energy can be applied independently to at least two devices.Type: ApplicationFiled: January 3, 2019Publication date: July 11, 2019Inventors: Jeff KROGMEIER, Hardeep SINGH, Robert DUBROW, Laurent MENARD, Andrew GOLDEN, Samrudhi SHARMA
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Publication number: 20180155623Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: ApplicationFiled: December 22, 2017Publication date: June 7, 2018Applicant: Nanosys, Inc.Inventors: Wenzhuo GUO, Jian CHEN, Robert DUBROW, William P. FREEMAN
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Patent number: 9884993Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: GrantFiled: September 28, 2015Date of Patent: February 6, 2018Assignee: NANOSYS, INC.Inventors: Wenzhuo Guo, Jian Chen, Robert Dubrow, William P. Freeman
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Patent number: 9685583Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: GrantFiled: March 26, 2015Date of Patent: June 20, 2017Assignee: NANOSYS, Inc.Inventors: Wenzhuo Guo, Jian Chen, Robert Dubrow, William P. Freeman
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Patent number: 9631141Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: GrantFiled: March 26, 2015Date of Patent: April 25, 2017Assignee: Nanosys, Inc.Inventors: Wenzhuo Guo, Jian Chen, Robert Dubrow, William P. Freeman
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Publication number: 20160096992Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: ApplicationFiled: September 28, 2015Publication date: April 7, 2016Applicant: Nanosys, Inc.Inventors: Wenzhuo Guo, Jian Chen, Robert Dubrow, William P. Freeman
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Patent number: 9260655Abstract: Quantum-dot binding ligands with easy to synthesize alkyl-acids are provided. The quantum-dot binding ligands include a multiplicity of carboxy binding ligands in combination with an alkyl backbone, and optionally a solubilizing group. The ligands and coated nanostructures of the present invention are useful for close packed nanostructure compositions, which can have improved quantum confinement and/or reduced cross-talk between nanostructures.Type: GrantFiled: March 13, 2014Date of Patent: February 16, 2016Assignee: Nanosys, Inc.Inventors: William P. Freeman, Paul T. Furuta, Robert Dubrow
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Patent number: 9169435Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: GrantFiled: June 13, 2013Date of Patent: October 27, 2015Assignee: Nanosys, Inc.Inventors: Wenzhuo Guo, Jian Chen, Robert Dubrow, William P. Freeman
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Patent number: 9139770Abstract: Siloxane polymer ligands for binding to quantum dots are provided. The polymers include a multiplicity of amine or carboxy binding ligands in combination with long-alkyl chains providing improved stability for the ligated quantum dots. The ligands and coated nanostructures of the present invention are useful for close packed nanostructure compositions, which can have improved quantum confinement and/or reduced cross-talk between nano structures.Type: GrantFiled: March 14, 2013Date of Patent: September 22, 2015Assignee: Nanosys, Inc.Inventors: William P. Freeman, Paul T. Furuta, Wendy Guo, Robert Dubrow, J. Wallace Parce
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Patent number: 9133394Abstract: Quantum-dot binding ligands with silsesquioxane moieties are provided. The quantum-dot binding ligands include a multiplicity of amine or carboxy binding ligands in combination with silsesquioxane moieties providing improved stability for the ligated quantum dots. The ligands and coated nanostructures of the present invention are useful for close packed nanostructure compositions, which can have improved quantum confinement and/or reduced cross-talk between nanostructures.Type: GrantFiled: March 13, 2014Date of Patent: September 15, 2015Assignee: Nanosys, Inc.Inventors: William P. Freeman, Paul T. Furuta, Robert Dubrow, J. Wallace Parce
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Publication number: 20150236195Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: ApplicationFiled: March 26, 2015Publication date: August 20, 2015Applicant: NANOSYS, Inc.Inventors: Wenzhuo GUO, Jian Chen, Robert Dubrow, William P. Freeman
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Publication number: 20150232756Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: ApplicationFiled: March 26, 2015Publication date: August 20, 2015Applicant: Nanosys, Inc.Inventors: Wenzhuo GUO, Jian Chen, Robert Dubrow, William P. Freeman
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Patent number: 9005480Abstract: The present invention describes a solventless ligand exchange using a siloxane polymer having a binding ligand that displaces the binding ligand on a quantum dot material.Type: GrantFiled: March 13, 2014Date of Patent: April 14, 2015Assignee: Nanosys, Inc.Inventors: Paul T. Furuta, Robert Dubrow
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Publication number: 20140275598Abstract: Quantum-dot binding ligands with silsesquioxane moieties are provided. The quantum-dot binding ligands include a multiplicity of amine or carboxy binding ligands in combination with silsesquioxane moieties providing improved stability for the ligated quantum dots. The ligands and coated nanostructures of the present invention are useful for close packed nanostructure compositions, which can have improved quantum confinement and/or reduced cross-talk between nanostructures.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: Nanosys, Inc.Inventors: William P. Freeman, Paul T. Furuta, Robert Dubrow, J. Wallace Parce
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Publication number: 20140264189Abstract: The present invention describes a solventless ligand exchange using a siloxane polymer having a binding ligand that displaces the binding ligand on a quantum dot material.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: Nanosys, Inc.Inventors: Paul T. Furuta, Robert Dubrow
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Publication number: 20140275431Abstract: Quantum-dot binding ligands with easy to synthesize alkyl-acids are provided. The quantum-dot binding ligands include a multiplicity of carboxy binding ligands in combination with an alkyl backbone, and optionally a solubilizing group. The ligands and coated nanostructures of the present invention are useful for close packed nanostructure compositions, which can have improved quantum confinement and/or reduced cross-talk between nanostructures.Type: ApplicationFiled: March 13, 2014Publication date: September 18, 2014Applicant: Nanosys, Inc.Inventors: William P. Freeman, Paul T. Furuta, Robert Dubrow
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Publication number: 20140001405Abstract: Highly luminescent nanostructures, particularly highly luminescent quantum dots, are provided. The nanostructures have high photoluminescence quantum yields and in certain embodiments emit light at particular wavelengths and have a narrow size distribution. The nanostructures can comprise ligands, including C5-C8 carboxylic acid ligands employed during shell formation and/or dicarboxylic or polycarboxylic acid ligands provided after synthesis. Processes for producing such highly luminescent nanostructures are also provided, including methods for enriching nanostructure cores with indium and techniques for shell synthesis.Type: ApplicationFiled: June 13, 2013Publication date: January 2, 2014Inventors: Wenzhuo Guo, Jian Chen, Robert Dubrow, William P. Freeman
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Publication number: 20130345458Abstract: Siloxane polymer ligands for binding to quantum dots are provided. The polymers include a multiplicity of amine or carboxy binding ligands in combination with long-alkyl chains providing improved stability for the ligated quantum dots. The ligands and coated nanostructures of the present invention are useful for close packed nanostructure compositions, which can have improved quantum confinement and/or reduced cross-talk between nano structures.Type: ApplicationFiled: March 14, 2013Publication date: December 26, 2013Applicant: Nanosys, Inc.Inventors: William P. Freeman, Paul T. Furuta, Wendy Guo, Robert Dubrow, J. Wallace Parce
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Patent number: 8592037Abstract: Compositions containing a nanostructure, preferably a nanocrystal, are provided. The nanostructures have ligands bound to the surface. Such ligands are preferably siloxane containing ligands having at least one —COON group, although ligands having various ?P?O groups are also contemplated. The nanostructures can be embedded into a polymer such as a silicone polymer.Type: GrantFiled: October 20, 2011Date of Patent: November 26, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: J. Wallace Parce, Paul Bernatis, Robert Dubrow, William P Freeman, Joel Gamoras, Shihai Kan, Andreas Meisel, Baixin Qian, Jeffery A Whiteford, Jonathan Ziebarth