Patents by Inventor Georgeta Masson
Georgeta Masson 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: 11795247Abstract: Provided herein are polyolefin dispersants, as well as methods for producing polyolefin dispersants. The polyolefin dispersants can be defined by the formula below where Rx is cationic initiator residue; Ra is a polyolefin group; R1 and R2 are each, independently in each —(CR1R2) unit, H, alkyl, alkoxy, or alkylaryl; R3 and R4 are each, independently, H, alkyl, or alkoxy; m is an integer from 1 to 20; n is an integer from 1 to 6; r is an integer from 1 to 4; Y is a polyvalent amine linker comprising one or more tertiary amines, wherein the polyvalent amine linker does not include a primary amine or a secondary amine; and A is absent, or comprises a dispersive moiety.Type: GrantFiled: December 17, 2020Date of Patent: October 24, 2023Assignee: The University of Southern MississippiInventors: Robson F. Storey, Travis P. Holbrook, C. Garrett Campbell, Georgeta Masson
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Patent number: 11495703Abstract: The light conversion efficiency of a solar cell is enhanced by using an optical downshifting layer in cooperation with a photovoltaic material. The optical downshifting layer converts photons having wavelengths in a supplemental light absorption spectrum into photons having a wavelength in the primary light absorption spectrum of the photovoltaic materiaL The cost effectiveness and efficiency of solar cells platforms can be increased by relaxing the range of the primary light absorption spectrum of the photovoltaic materiaL The optical downshifting layer can be applied as a low cost solution processed film composed of highly absorbing and emissive quantum dot heterostructure nanomaterial embedded in an inert matrix to improve the short wavelength response to the photovoltaic materiaL The enhanced efficiency provided by the optical downshifting layer permits advantageous modifications to the solar cell platform that enhances its efficiency as well.Type: GrantFiled: September 28, 2020Date of Patent: November 8, 2022Assignee: OSRAM Opto Semiconductors GmbHInventors: Juanita N. Kurtin, Steven M. Hughes, Alex C. Mayer, Oun-Ho Park, Georgeta Masson
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Publication number: 20220085254Abstract: Semiconductor structures having a nanocrystalline core and corresponding nanocrystalline shell and insulator coating, wherein the semiconductor structure includes an anisotropic nanocrystalline core composed of a first semiconductor material, and an anisotropic nanocrystalline shell composed of a second, different, semiconductor material surrounding the anisotropic nanocrystalline core. The anisotropic nanocrystalline core and the anisotropic nanocrystalline shell form a quantum dot. An insulator layer encapsulates the nanocrystalline shell and anisotropic nanocrystalline core.Type: ApplicationFiled: November 10, 2021Publication date: March 17, 2022Inventors: Juanita Kurtin, Brian Theobald, Matthew J. Carillo, Oun-Ho Park, Georgeta Masson, Steven M. Hughes
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Patent number: 11274181Abstract: Provided herein are polyimide dispersants, as well as methods for producing polyimide dispersants. The polyimides can be defined by the formula below wherein A, individually for each occurrence, represents a cyclic diimide moiety represented by the structure below where B represents a cyclic moiety substituted with a first cyclic imide group and a second cyclic imide group; Y, individually for each occurrence, represents a bivalent linking group; L, individually for each occurrence, is absent or represents a cyclic imide group; R, individually for each occurrence, represents a polymeric tail; and n is an integer from 1 to 20.Type: GrantFiled: September 18, 2018Date of Patent: March 15, 2022Assignee: CHEVRON ORONITE COMPANY LLCInventors: David Morgan, Roland Ma, Georgeta Masson
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Patent number: 11205741Abstract: Semiconductor structures having a nanocrystalline core and corresponding nanocrystalline shell and insulator coating, wherein the semiconductor structure includes an anisotropic nanocrystalline core composed of a first semiconductor material, and an anisotropic nanocrystalline shell composed of a second, different, semiconductor material surrounding the anisotropic nanocrystalline core. The anisotropic nanocrystalline core and the anisotropic nanocrystalline shell form a quantum dot. An insulator layer encapsulates the nanocrystalline shell and anisotropic nanocrystalline core.Type: GrantFiled: August 1, 2018Date of Patent: December 21, 2021Assignee: OSRAM Opto Semiconductors GmbHInventors: Juanita Kurtin, Brian Theobald, Matthew J. Carillo, Oun-Ho Park, Georgeta Masson, Steven M. Hughes
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Publication number: 20210242358Abstract: The light conversion efficiency of a solar cell (10) is enhanced by using an optical downshifting layer (30) in cooperation with a photovoltaic material (22). The optical downshifting layer converts photons (50) having wavelengths in a supplemental light absorption spectrum into photons (52) having a wavelength in the primary light absorption spectrum of the photovoltaic material. The cost effectiveness and efficiency of solar cells platforms (20) can be increased by relaxing the range of the primary light absorption spectrum of the photovoltaic material. The optical downshifting layer can be applied as a low cost solution processed film composed of highly absorbing and emissive quantum dot heterostructure nanomaterial embedded in an inert matrix to improve the short wavelength response of the photovoltaic material. The enhanced efficiency provided by the optical downshifting layer permits advantageous modifications to the solar cell platform that enhances its efficiency as well.Type: ApplicationFiled: September 28, 2020Publication date: August 5, 2021Applicant: OSRAM Opto Semiconductors GmbHInventors: Juanita N. Kurtin, Steven M. Hughes, Alex C. Mayer, Oun-Ho Park, Georgeta Masson
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Patent number: 11053435Abstract: Quantum dot delivery methods are described. In a first example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles. The method also involves forming a dispersion of the plurality of nano-particles in a medium for delivery or storage, wherein the medium is free of organic solvent. In a second example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles in an organic solvent. The method also involves drying the plurality of nano-particles for delivery or storage, the drying removing entirely all of the organic solvent.Type: GrantFiled: December 21, 2018Date of Patent: July 6, 2021Assignee: OSRAM Opto Semiconductors GmbHInventors: Georgeta Masson, Kari N. Haley, Brian Theobald, Benjamin Daniel Mangum, Juanita N. Kurtin
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Publication number: 20210189030Abstract: Provided herein are polyolefin dispersants, as well as methods for producing polyolefin dispersants. The polyolefin dispersants can be defined by the formula below where Rx is cationic initiator residue; Ra is a polyolefin group; R1 and R2 are each, independently in each —(CR1R2) unit, H, alkyl, alkoxy, or alkylaryl; R3 and R4 are each, independently, H, alkyl, or alkoxy; m is an integer from 1 to 20; n is an integer from 1 to 6; r is an integer from 1 to 4; Y is a polyvalent amine linker comprising one or more tertiary amines, wherein the polyvalent amine linker does not include a primary amine or a secondary amine; and A is absent, or comprises a dispersive moiety.Type: ApplicationFiled: December 17, 2020Publication date: June 24, 2021Inventors: Robson F. Storey, Travis P. Holbrook, C. Garrett Campbell, Georgeta Masson
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Patent number: 10875946Abstract: Provided herein are polyolefin dispersants, as well as methods for producing polyolefin dispersants. The polyolefin dispersants can be defined by the formula below where Rx is cationic initiator residue; Ra is a polyolefin group; R1 and R2 are each, independently in each —(CR1R2) unit, H, alkyl, alkoxy, or alkylaryl; R3 and R4 are each, independently, H, alkyl, or alkoxy; m is an integer from 1 to 20; n is an integer from 1 to 6; r is an integer from 1 to 4; Y is a polyvalent amine linker comprising one or more tertiary amines, wherein the polyvalent amine linker does not include a primary amine or a secondary amine; and A is absent, or comprises a dispersive moiety.Type: GrantFiled: September 18, 2018Date of Patent: December 29, 2020Assignees: Chevron Oronite Company LLC, The University of Southern MississippiInventors: Robson F. Storey, Travis P. Holbrook, C. Garrett Campbell, Georgeta Masson
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Patent number: 10840403Abstract: The light conversion efficiency of a solar cell (10) is enhanced by using an optical downshifting layer (30) in cooperation with a photovoltaic material (22). The optical downshifting layer converts photons (50) having wavelengths in a supplemental light absorption spectrum into photons (52) having a wavelength in the primary light absorption spectrum of the photovoltaic material. The cost effectiveness and efficiency of solar cells platforms (20) can be increased by relaxing the range of the primary light absorption spectrum of the photovoltaic material. The optical downshifting layer can be applied as a low cost solution processed film composed of highly absorbing and emissive quantum dot heterostructure nanomaterial embedded in an inert matrix to improve the short wavelength response of the photovoltaic material. The enhanced efficiency provided by the optical downshifting layer permits advantageous modifications to the solar cell platform that enhances its efficiency as well.Type: GrantFiled: September 21, 2017Date of Patent: November 17, 2020Assignee: OSRAM Opto Semiconductors GmbHInventors: Juanita N. Kurtin, Steven M. Hughes, Alex C. Mayer, Oun Ho Park, Georgeta Masson
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Patent number: 10815446Abstract: Disclosed is a dispersant composition, suitable for use in lubricating oils. The dispersant composition is a reaction product of (i) a polyalkenyl succinimide post-treated with a post-treating agent selected from the group consisting of an organic carbonate, an epoxide, a lactone, a hydroxyaliphatic carboxylic acid, and combinations thereof; and (ii) an acylating agent.Type: GrantFiled: May 18, 2018Date of Patent: October 27, 2020Assignee: CHEVRON ORONITE COMPANY LLCInventors: William Raymond Ruhe, Jr., Georgeta Masson, Abran Costales, Kirk Nass, John Robert Miller, Young A. Chang
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Publication number: 20190284314Abstract: Provided herein are polyolefin dispersants, as well as methods for producing polyolefin dispersants. The polyolefin dispersants can be defined by the formula below where Rx is cationic initiator residue; Ra is a polyolefin group; R1 and R2 are each, independently in each —(CR1R2) unit, H, alkyl, alkoxy, or alkylaryl; R3 and R4 are each, independently, H, alkyl, or alkoxy; m is an integer from 1 to 20; n is an integer from 1 to 6; r is an integer from 1 to 4; Y is a polyvalent amine linker comprising one or more tertiary amines, wherein the polyvalent amine linker does not include a primary amine or a secondary amine; and A is absent, or comprises a dispersive moiety.Type: ApplicationFiled: September 18, 2018Publication date: September 19, 2019Inventors: Robson F. Storey, Travis P. Holbrook, C. Garrett Campbell, Georgeta Masson
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Patent number: 10396228Abstract: A solar concentrator module (80) employs a luminescent concentrator material (82) between photovoltaic cells (86) having their charge-carrier separation junctions (90) parallel to front surfaces (88) of photovoltaic material 84 of the photovoltaic cells (86). Intercell areas (78) covered by the luminescent concentrator material (82) occupy from 2 to 50% of the total surface area of the solar concentrator modules (80). The luminescent concentrator material (82) preferably employs quantum dot heterostructures, and the photovoltaic cells (86) preferably employ low-cost high-efficiency photovoltaic materials (84), such as silicon-based photovoltaic materials.Type: GrantFiled: December 5, 2016Date of Patent: August 27, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Alex C. Mayer, Shawn R. Scully, Juanita N. Kurtin, Alex R. Guichard, Steven M. Hughes, Oun-Ho Park, Paul-Emile B. Trudeau, Colin C. Reese, Manav Sheoran, Georgeta Masson
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Publication number: 20190144743Abstract: Quantum dot delivery methods are described. In a first example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles. The method also involves forming a dispersion of the plurality of nano-particles in a medium for delivery or storage, wherein the medium is free of organic solvent. In a second example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles in an organic solvent. The method also involves drying the plurality of nano-particles for delivery or storage, the drying removing entirely all of the organic solvent.Type: ApplicationFiled: December 21, 2018Publication date: May 16, 2019Inventors: Georgeta Masson, Kari N. Haley, Brian Theobald, Benjamin Daniel Mangum, Juanita N. Kurtin
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Publication number: 20190085129Abstract: Provided herein are polyimide dispersants, as well as methods for producing polyimide dispersants. The polyimides can be defined by the formula below wherein A, individually for each occurrence, represents a cyclic diimide moiety represented by the structure below where B represents a cyclic moiety substituted with a first cyclic imide group and a second cyclic imide group; Y, individually for each occurrence, represents a bivalent linking group; L, individually for each occurrence, is absent or represents a cyclic imide group; R, individually for each occurrence, represents a polymeric tail; and n is an integer from 1 to 20.Type: ApplicationFiled: September 18, 2018Publication date: March 21, 2019Inventors: David Morgan, Roland Ma, Georgeta Masson
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Patent number: 10202543Abstract: Quantum dot delivery methods are described. In a first example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles. The method also involves forming a dispersion of the plurality of nano-particles in a medium for delivery or storage, wherein the medium is free of organic solvent. In a second example, a method of delivering or storing a plurality of nano-particles involves providing a plurality of nano-particles in an organic solvent. The method also involves drying the plurality of nano-particles for delivery or storage, the drying removing entirely all of the organic solvent.Type: GrantFiled: March 4, 2014Date of Patent: February 12, 2019Assignee: OSRAM Opto Semiconductors GmbHInventors: Georgeta Masson, Kari N. Haley, Brian Theobald, Benjamin Daniel Mangum, Juanita N. Kurtin
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Publication number: 20180342652Abstract: Semiconductor structures having a nanocrystalline core and corresponding nanocrystalline shell and insulator coating, wherein the semiconductor structure includes an anisotropic nanocrystalline core composed of a first semiconductor material, and an anisotropic nanocrystalline shell composed of a second, different, semiconductor material surrounding the anisotropic nanocrystalline core. The anisotropic nanocrystalline core and the anisotropic nanocrystalline shell form a quantum dot. An insulator layer encapsulates the nanocrystalline shell and anisotropic nanocrystalline core.Type: ApplicationFiled: August 1, 2018Publication date: November 29, 2018Inventors: Juanita Kurtin, Brian Theobald, Matthew J. Carillo, Oun-Ho Park, Georgeta Masson, Steven M. Hughes
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Publication number: 20180334635Abstract: Disclosed is a dispersant composition, suitable for use in lubricating oils. The dispersant composition is a reaction product of (i) a polyalkenyl succinimide post-treated with a post-treating agent selected from the group consisting of an organic carbonate, an epoxide, a lactone, a hydroxyaliphatic carboxylic acid, and combinations thereof; and (ii) an acylating agent.Type: ApplicationFiled: May 18, 2018Publication date: November 22, 2018Inventors: William Raymond Ruhe, JR., Georgeta Masson, Abran Costales, Kirk Nass, John Robert Miller, Young A. Chang
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Patent number: 10074780Abstract: Semiconductor structures having a nanocrystalline core and corresponding nanocrystalline shell and insulator coating, wherein the semiconductor structure includes an anisotropic nanocrystalline core composed of a first semiconductor material, and an anisotropic nanocrystalline shell composed of a second, different, semiconductor material surrounding the anisotropic nanocrystalline core. The anisotropic nanocrystalline core and the anisotropic nanocrystalline shell form a quantum dot. An insulator layer encapsulates the nanocrystalline shell and anisotropic nanocrystalline core.Type: GrantFiled: January 22, 2016Date of Patent: September 11, 2018Assignee: OSRAM Opto Semiconductors GmbHInventors: Juanita Kurtin, Brian Theobald, Matthew J. Carillo, Oun-Ho Park, Georgeta Masson, Steven M. Hughes
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Publication number: 20180138340Abstract: The light conversion efficiency of a solar cell (10) is enhanced by using an optical downshifting layer (30) in cooperation with a photovoltaic material (22). The optical downshifting layer converts photons (50) having wavelengths in a supplemental light absorption spectrum into photons (52) having a wavelength in the primary light absorption spectrum of the photovoltaic material. The cost effectiveness and efficiency of solar cells platforms (20) can be increased by relaxing the range of the primary light absorption spectrum of the photovoltaic material. The optical downshifting layer can be applied as a low cost solution processed film composed of highly absorbing and emissive quantum dot heterostructure nanomaterial embedded in an inert matrix to improve the short wavelength response of the photovoltaic material. The enhanced efficiency provided by the optical downshifting layer permits advantageous modifications to the solar cell platform that enhances its efficiency as well.Type: ApplicationFiled: September 21, 2017Publication date: May 17, 2018Inventors: Juanita N. Kurtin, Steven M. Hughes, Alex C. Mayer, Oun Ho Park, Georgeta Masson