Patents Assigned to Universidade Federal do Rio de Janeiro
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Publication number: 20230001357Abstract: The present invention addresses to a high-pressure vessel for packaging hollow fiber type membranes with application in the field of separation process with contactors with membranes aiming at a compact device/piece of equipment configured for the packaging of hollow fiber type bundles that can be used for various fluid separation processes such as liquid-liquid, liquid-gas and gas-gas, capable of working at high-pressures, enabling adequate hydrodynamic conditions and easily scalable. It is called a module the general piece of equipment, consisting of the vessel (A or C), object of the present invention, and the membranes packed inside the vessel. This piece of equipment consists of a vessel inside which the membranes are placed (14), and two heads attached at the ends (B or D). Each head has two connection points, thus allowing this device to be used with membrane contactors-type separation systems, such as “classical” permeation systems (liquid-liquid, gas-gas, pervaporation).Type: ApplicationFiled: November 11, 2020Publication date: January 5, 2023Applicants: PETRÓLEO BRASILEIRO S.A. - PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIROInventors: Jailton FERREIRA DO NASCIMENTO, Cristiano PIACSEK BORGES, Nicolas ROGER JEAN-DANIEL MERMIER
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CATALYTIC GASIFICATION PROCESS, CATALYST, USE OF THE CATALYST AND PROCESS FOR PREPARING THE CATALYST
Publication number: 20230002691Abstract: The present invention relates to a catalyst to be applied to the process of gasification of coke or coal, individually or in mixture, and to the process of preparing said catalyst, which is useful in obtaining higher levels of hydrogen and carbon monoxide, which allows the conversion of coke into by-products of higher added value (hydrogen-rich syngas). The present invention also addresses to a process for converting petroleum coke by using a catalyst according to the present invention.Type: ApplicationFiled: November 17, 2020Publication date: January 5, 2023Applicants: PETRÓLEO BRASILEIRO S.A. - PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO - UFRJInventors: Vivian PASSOS DE SOUZA, Amanda DE ALMEIDA DUMANI DOS SANTOS, Maira ANDRADE RODRIGUES, Victor TEIXEIRA DA SILVA -
Patent number: 11525143Abstract: Described are methods for promoting increase in plant biomass and yield. This increase has its visible effects in organs such as leaf, stem, root and production of fruits and seeds. Further described is the increase in tolerance of those plants to drought, generating plants better adapted to the environmental changes, improving their growth, biomass and yield.Type: GrantFiled: May 4, 2020Date of Patent: December 13, 2022Assignee: Universidade Federal Do Rio De JaneiroInventors: Adriana Silva Hemerly, Paulo Cavalcanti Gomes Ferreira, Pan Gong, Hilde Nelissen, Dirk Inzé, Maria Fatima Grossi De Sá, Marcos Fernando Basso, Carolina Vianna Morgante, Maria Eugenia Lisei-De-Sa
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Publication number: 20220377374Abstract: The present invention relates to a prediction-based technique for encoding light field data by removing redundant information of light field data, reducing a number of bits by employing a prediction of a pixel value in all four dimensions of the light field. Using this technique to represent light field data, allows it to be transferred through a limited-bandwidth medium and/or to significantly reduce the required storage capacity for this purpose.Type: ApplicationFiled: June 21, 2021Publication date: November 24, 2022Applicants: SAMSUNG ELETRÔNICA DA AMAZÔNIA LTDA., UNIVERSIDADE FEDERAL DO RIO DE JANEIROInventors: EDUARDO ANTÔNIO BARROS DA SILVA, MURILO BRESCIANI DE CARVALHO, CARLA LIBERAL PAGLIARI, MARCIO PINTO PEREIRA, GUSTAVO DE OLIVEIRA E ALVES, FERNANDO MANUEL BERNARDO PEREIRA, CARLA FLORENTINO SCHUELER, VANESSA TESTONI, ISMAEL SEIDEL, PEDRO GARCIA FREITAS
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Patent number: 11254808Abstract: Polymer compositions may include a polymer matrix containing a polyolefin, one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles include a polar polymer selectively crosslinked with a crosslinking agent, and wherein the one or more polymer particles has an average particle size of up to 200 ?m. Processes of preparing a polymer composition may include mixing a polyolefin, a polar polymer, and a crosslinking agent; and selectively crosslinking the polar polymer with the crosslinking agent in the presence of the polyolefin. Methods may include increasing stress cracking resistance of a polyolefin by mixing a polar polymer with the polyolefin; and selectively crosslinking the polar polymer in the presence of the polyolefin with a crosslinking agent to form crosslinked polar polymer particles dispersed in the polyolefin.Type: GrantFiled: May 20, 2019Date of Patent: February 22, 2022Assignees: Braskem S.A., Universidade Federal do Rio de JaneiroInventors: Alberto Cláudio Habert, Cristiano Piacsek Borges, Cristina Cardoso Pereira, Maria Elizabeth Ferreira Garcia, Jane Hitomi Fujiyama-Novak, Rafael Aislan Amaral, Bárbara Iria Silva Mano, Vinicius Galhard Grassi, Rogério Massanori Sakahara, Marcelo Farah, Mariele Kaipers Stocker, Marcos Roberto Paulino Bueno
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Patent number: 11111366Abstract: Polymer compositions may include a polymer matrix containing a polyolefin, one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles include a polar polymer selectively crosslinked with a crosslinking agent, and wherein the one or more polymer particles has an average particle size of up to 200 ?m. Processes of preparing a polymer composition may include mixing a polyolefin, a polar polymer, and a crosslinking agent; and selectively crosslinking the polar polymer with the crosslinking agent in the presence of the polyolefin. Methods may include increasing stress cracking resistance of a polyolefin by mixing a polar polymer with the polyolefin; and selectively crosslinking the polar polymer in the presence of the polyolefin with a crosslinking agent to form crosslinked polar polymer particles dispersed in the polyolefin.Type: GrantFiled: May 20, 2019Date of Patent: September 7, 2021Assignees: Braskem S.A., Universidade Federal do Rio de JaneiroInventors: Alberto Cláudio Habert, Cristiano Piacsek Borges, Cristina Cardoso Pereira, Maria Elizabeth Ferreira Garcia, Jane Hitomi Fujiyama-Novak, Rafael Aislan Amaral, Bárbara Iria Silva Mano, Vinicius Galhard Grassi, Rogério Massanori Sakahara, Marcelo Farah, Mariele Kaipers Stocker, Marcos Roberto Paulino Bueno
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Patent number: 10962577Abstract: Equipment for measurement of the contribution to frequency stability by a generating unit, especially for generating units based on power electronics. This equipment is to be installed between a generating unit and an electric power system. It emulates an electric power system undergoing a power unbalance, which manifests itself through a grid frequency swing.Type: GrantFiled: May 1, 2019Date of Patent: March 30, 2021Assignee: UNIVERSIDADE FEDERAL DO RIO DE JANEIROInventor: André Ramos de Castro
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Patent number: 10731029Abstract: Polymer compositions may include a polymer matrix containing a polyolefin, one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles include a polar polymer selectively crosslinked with a crosslinking agent, and wherein the one or more polymer particles has an average particle size of up to 200 ?m. Processes of preparing a polymer composition may include mixing a polyolefin, a polar polymer, and a crosslinking agent; and selectively crosslinking the polar polymer with the crosslinking agent in the presence of the polyolefin. Methods may include increasing stress cracking resistance of a polyolefin by mixing a polar polymer with the polyolefin; and selectively crosslinking the polar polymer in the presence of the polyolefin with a crosslinking agent to form crosslinked polar polymer particles dispersed in the polyolefin.Type: GrantFiled: September 30, 2016Date of Patent: August 4, 2020Assignees: Braskem S.A., Universidade Federal do Rio de JaneiroInventors: Alberto Cláudio Habert, Cristiano Piacsek Borges, Cristina Cardoso Pereira, Maria Elizabeth Ferreira Garcia, Jane Hitomi Fujiyama-Novak, Rafael Aislan Amaral, Bárbara Iria Silva Mano, Vinicius Galhard Grassi, Rogério Massanori Sakahara, Marcelo Farah, Mariele Kaipers Stocker, Marcos Roberto Paulino Bueno
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Patent number: 10704055Abstract: The proposed innovation relates to the biotechnological improvement of plant species of commercial interest. More specifically, the present invention relates to the production of transgenic plants biotechnological with greater tolerance to water deficit and salt stress by means of the expression of a new gene of coffee (of the Coffea Arabica species), belonging to the HD-Zip family, and characterized by a homeodomain associated with a leucine zipper. The expression of this transcriptional factor is induced in leaves and roots of coffee plants subjected to various water deficit conditions (both moderate and severe); transgenic plants that over-express this gene inhibiting greater tolerance both to differ drought intensities and to high salt concentrations.Type: GrantFiled: November 8, 2011Date of Patent: July 7, 2020Assignees: UNIVERSIDADE FEDERAL DO RIO DE JANEIRO, EMPRESA BRASILEIRA DE PESQUISA AGROPECUARIA—EMBRAPAInventors: Marcio Alves Ferreira, Fernanda Pinheiro Da Cruz Waltenberg, Eduardo Romano De Campos Pinto, Maria Fatima Grossi De Sa
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Patent number: 10687068Abstract: A method for compressing light field data using variable block-size four-dimensional transform and bit-plane hexadeca-tree decomposition, the method including: partitioning a four-dimensional pixel data of a light field into four-dimensional blocks of independent fixed size; partitioning the four-dimensional blocks in a set of four-dimensional non-overlapping sub-blocks of different sizes according to a rate-distortion criterion; independently transforming the four-dimensional sub-blocks generated in the previous operation, using a four-dimensional transform; quantizing by bit-planes the sub-blocks transformed by the four-dimensional transform according to Rate-Distortion optimized hexadeca-tree structure; and encoding the four-dimensional quantized data generated through an arithmetic encoder to produce a compressed representation of the light field.Type: GrantFiled: April 10, 2019Date of Patent: June 16, 2020Assignees: SAMSUNG ELETRÔNICA DA AMAZÔNIA LTDA., UNIVERSIDADE FEDERAL DO RIO DE JANEIROInventors: Eduardo Antônio Barros Da Silva, Murilo Bresciani De Carvalho, Carla Liberal Pagliari, Marcio Pinto Pereira, Gustavo De Oliveira E Alves, Fernando Manuel Bernardo Pereira, Vanessa Testoni, Pedro Garcia Freitas
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Patent number: 10647988Abstract: Described are methods for promoting increase in plant biomass and yield. This increase has its visible effects in organs such as leaf, stem, root and production of fruits and seeds. Further described is the increase in tolerance of those plants to drought, generating plants better adapted to the environmental changes, improving their growth, biomass and yield.Type: GrantFiled: March 8, 2016Date of Patent: May 12, 2020Assignee: Universidade Federal Do Rio De JaneiroInventors: Adriana Silva Hemerly, Carinne de Nazaré Monteiro Costa, Luiz Mors Cabral, Vanessa Costa Lurif, Paulo Cavalcanti Gomes Ferreira
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Publication number: 20190270868Abstract: Polymer compositions may include a polymer matrix containing a polyolefin, one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles include a polar polymer selectively crosslinked with a crosslinking agent, and wherein the one or more polymer particles has an average particle size of up to 200 ?m. Processes of preparing a polymer composition may include mixing a polyolefin, a polar polymer, and a crosslinking agent; and selectively crosslinking the polar polymer with the crosslinking agent in the presence of the polyolefin. Methods may include increasing stress cracking resistance of a polyolefin by mixing a polar polymer with the polyolefin; and selectively crosslinking the polar polymer in the presence of the polyolefin with a crosslinking agent to form crosslinked polar polymer particles dispersed in the polyolefin.Type: ApplicationFiled: May 20, 2019Publication date: September 5, 2019Applicants: Braskem S.A., Universidade Federal do Rio de JaneiroInventors: Alberto Cláudio Habert, Cristiano Piacsek Borges, Cristina Cardoso Pereira, Maria Elizabeth Ferreira Garcia, Jane Hitomi Fujiyama-Novak, Rafael Aislan Amaral, Bárbara Iria Silva Mano, Vinicius Galhard Grassi, Rogério Massanori Sakahara, Marcelo Farah, Mariele Kaipers Stocker, Marcos Roberto Paulino Bueno
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Publication number: 20190270869Abstract: Polymer compositions may include a polymer matrix containing a polyolefin, one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles include a polar polymer selectively crosslinked with a crosslinking agent, and wherein the one or more polymer particles has an average particle size of up to 200 ?m. Processes of preparing a polymer composition may include mixing a polyolefin, a polar polymer, and a crosslinking agent; and selectively crosslinking the polar polymer with the crosslinking agent in the presence of the polyolefin. Methods may include increasing stress cracking resistance of a polyolefin by mixing a polar polymer with the polyolefin; and selectively crosslinking the polar polymer in the presence of the polyolefin with a crosslinking agent to form crosslinked polar polymer particles dispersed in the polyolefin.Type: ApplicationFiled: May 20, 2019Publication date: September 5, 2019Applicants: Braskem S.A., Universidade Federal do Rio de JaneiroInventors: Alberto Cláudio Habert, Cristiano Piacsek Borges, Cristina Cardoso Pereira, Maria Elizabeth Ferreira Garcia, Jane Hitomi Fujiyama-Novak, Rafael Aislan Amaral, Bárbara Iria Silva Mano, Vinicius Galhard Grassi, Rogério Massanori Sakahara, Marcelo Farah, Mariele Kaipers Stocker, Marcos Roberto Paulino Bueno
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Patent number: 10258958Abstract: The present invention describes a photochemical hydrogenation process for heavy fractions of hydrocarbon streams where the aromatic and polyaromatic compounds present in that fraction selectively react in the presence of an alkoxide, when subjected to electromagnetic irradiation.Type: GrantFiled: November 9, 2016Date of Patent: April 16, 2019Assignees: PETROLEO BRASILEIRO S.A.—PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIROInventors: Rodrigo Jose Correa, Felipe Pereira Fleming
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Patent number: 10196111Abstract: The present invention is related to a gravitation anchor for offshore anchoring of ships and platforms, comprising a main body (10) with a longitudinal axis of revolution (11), comprising a means of stabilization (14), whereby the means of stabilization (14) comprises a means of automatic activation (140). Optionally, the means of stabilization comprises at least one stabilizer (14), whereby each stabilizer (14) comprises an end pivotally attached (141) to the gravitation anchor (1), and a free end, whereby when the stabilizer (14) is in a retracted position, the free end is positioned closer to the main body (10) of the gravitation anchor (1), and whereby when the stabilizer (14) is in an extended position, the free end is positioned away from the main body (10) of the gravitation anchor (1).Type: GrantFiled: November 17, 2016Date of Patent: February 5, 2019Assignees: PETROLEO BRASILEIRO S.A.—PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIROInventors: Daniel Fonseca De Carvalho E Silva, Marcos Donato Auler Da Silva Ferreira, Antonio Carlos Fernandes
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Patent number: 10172940Abstract: Process and immune chemotherapeutic/pharmaceutical composition for treatment of canine and human Leishmaniasis comprising a vaccine containing the FML antigen (Fucose Mannose-Ligand) and saponin adjuvant, used in association with chemotherapeutic agents, showing healing property, leaving the dogs previously infected, in the condition of sterile cure of visceral and tegumentary leishmaniasis, characterized by absence of parasites and the overall absence of Leishmania DNA, aiming to stave off the spread of the parasite which causes canine visceral leishmaniasis in dog to the insect transmitter, thus to other dogs and humans. The invention also comprises also the use of the aforementioned composition to produce formulations designed to treat canine visceral leishmaniasis and visceral and murine tegumentary leishmaniasis, human and canine, as well as a kit comprising immune chemotherapeutic agents to treat the same diseases.Type: GrantFiled: February 3, 2010Date of Patent: January 8, 2019Assignee: Universidade Federal do Rio de JaneiroInventor: Clarisa B. Palatnik De Sousa
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Patent number: 9725695Abstract: The invention provides a defined low protein culture medium for maintaining cells in an undifferentiated state, the medium comprising: a basal medium, an organic acid from the tricarboxylic acid cycle, nonessential amino acids, a combination of growth factors selected from the group consisting of FGF-2 protein, an IGF-1 protein or insulin, a Transferrin protein, and a TGF beta 1 protein, wherein the medium is essentially feeder-free, essentially xeno-free, essentially free of beta-mercaptoethanol, and essentially free of animal-derived or human-derived proteins.Type: GrantFiled: May 5, 2011Date of Patent: August 8, 2017Assignees: The Regents of the University of California, Universidade Federal Do Rio De JaneiroInventors: Alysson Muotri, Paulo Andre Nobrega Marinho, Stevens Kastrup Rehen, Leda Dos Reis Castilho
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Publication number: 20170144731Abstract: The present invention is related to a gravitation anchor for offshore anchoring of ships and platforms, comprising a main body (10) with a longitudinal axis of revolution (11), comprising a means of stabilization (14), whereby the means of stabilization (14) comprises a means of automatic activation (140). Optionally, the means of stabilization comprises at least one stabilizer (14), whereby each stabilizer (14) comprises an end pivotally attached (141) to the gravitation anchor (1), and a free end, whereby when the stabilizer (14) is in a retracted position, the free end is positioned closer to the main body (10) of the gravitation anchor (1), and whereby when the stabilizer (14) is in an extended position, the free end is positioned away from the main body (10) of the gravitation anchor (1).Type: ApplicationFiled: November 17, 2016Publication date: May 25, 2017Applicants: PETROLEO BRASILEIRO S.A. - PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIROInventors: Daniel Fonseca DE CARVALHO E SILVA, Marcos Donato Auler DA SILVA FERREIRA, Antonio Carlos FERNANDES
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Publication number: 20170128907Abstract: The present invention describes a photochemical hydrogenation process for heavy fractions of hydrocarbon streams where the aromatic and polyaromatic compounds present in that fraction selectively react in the presence of an alkoxide, when subjected to electromagnetic irradiation.Type: ApplicationFiled: November 9, 2016Publication date: May 11, 2017Applicants: PETROLEO BRASILEIRO S.A. - PETROBRAS, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO - RJInventors: Rodrigo Jose CORREA, Felipe Pereira FLEMING
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Publication number: 20170106531Abstract: The present invention relates to a robotic inspection device (10) comprising at least one pair of robotic modules (1) connected together by means of an articulated joint (9), with at least one displacement device (2) coupled to a rail (11); the displacement device (2) comprising at least one pair of pivoted brackets (3); at least one of the robotic modules (1) comprising at least one within an instrumentation system (7) and a manipulator arm (8).Type: ApplicationFiled: October 13, 2016Publication date: April 20, 2017Applicants: PETRÓLEO BRASILEIRO S.A. - PETROBRAS, STATOIL BRASIL ÓLEO E GAS LTDA, UNIVERSIDADE FEDERAL DO RIO DE JANEIRO - UFRJInventors: Romankevicius COSTA, Gustavo Medeiros DE FREITAS, Pal Johan FROM, Guilherme Pires De Sales DE CARVALHO, Mauricio GALASSI, Andres ROYROY, Peter Wilhelmus Jacques DERKS