Patents by Inventor Marcos Roberto Paulino Bueno
Marcos Roberto Paulino Bueno 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: 20220204744Abstract: An anti-environmental stress cracking additive particle, wherein the particle may include an anti-environmental stress cracking active phase, a support phase, and a compatibilizing phase, and wherein the particles have an average size of up to 200 ?m. Processes for preparing the anti-environmental stress cracking additive may include a solvent/non-solvent process, a free non-solvent process, and solid state methods. A polymer composition may include a matrix polymer and the anti-environmental stress cracking additive. An article may comprise the polymer composition comprising the anti-environmental stress cracking additive particle.Type: ApplicationFiled: December 29, 2021Publication date: June 30, 2022Applicant: Braskem S.A.Inventor: Marcos Roberto Paulino Bueno
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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: 11174358Abstract: A method may include reprocessing a polymer composition comprising a crosslinked polymeric composition, wherein the crosslinked polymeric composition comprises a matrix polymer having a polar polymer internal phase that is selectively crosslinked with a crosslinking agent, wherein the reprocessed polymer composition retains an environmental stress cracking resistance within 60% of the value for the initial polymer composition when measured according to ASTM D-1693 procedure B and wherein the reprocessed polymer composition presents a Normalized Property Balance Index (NPBI) greater than about 1.0.Type: GrantFiled: July 3, 2019Date of Patent: November 16, 2021Assignee: Braskem S.A.Inventors: Ana Paula Rodrigues Camilo, Bárbara Iria Silva Mano, Marcelo Farah, Marcos Roberto Paulino Bueno, Mariele Kaipers Stocker
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Patent number: 11161945Abstract: A polymer composition may include a crosslinked polymeric additive composition that includes a matrix polymer comprising a polyolefin, and one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles comprise a polar polymer selectively crosslinked with a crosslinking agent; and a secondary polymer composition.Type: GrantFiled: July 3, 2019Date of Patent: November 2, 2021Assignee: Braskem S.A.Inventors: Ana Paula Rodrigues Camilo, Bárbara Iria Silva Mano, Marcelo Farah, Marcos Roberto Paulino Bueno, Mariele Kaipers Stocker
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Patent number: 11124895Abstract: The present invention is directed to a method and a system for the production of at least one polymeric yarn comprising means for mixing a polymer (1) with a first solvent yielding a mixture; means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping the mixture into a quenching bath (30), wherein an air gap is maintained before the mixture reaches the quenching bath (30) liquid surface forming at least one polymeric yarn; means for drawing (41) the at least one polymeric yarn at least once; means for washing (5) the at least one polymeric yarn with a second solvent that is more volatile than the first solvent; means for heating the at least one polymeric yarn (6); means for drawing at room temperature (7) the at least one polymeric yarn at least once; and means for heat drawing (8) the at least one polymeric yarn at least once.Type: GrantFiled: October 29, 2014Date of Patent: September 21, 2021Assignee: Braskem America, Inc.Inventors: Marcos Roberto Paulino Bueno, Andre Penaquioni, Alessandro Bernardi, Sergio Luiz Dias Almeida, Leandro Ohara Oliveira Santa Rosa, Patricia Freitas Oliveira Fialho, Daniela Zaira Rauber
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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: 11021811Abstract: The present invention provides a continuous method for the production of at least one polymeric yarn comprising the steps of: mixing a polymer with a first solvent generating a mixture; homogenizing the mixture; rendering the mixture inert; dosing the mixture to an extruder; immersing the mixture in a quenching bath (30), wherein an air gap is maintained before the mixture achieves the surface of the liquid of the quenching bath (30) forming at least one polymeric yarn; drawing at least once the at least one polymeric yarn; washing the polymeric yarn with a second solvent that is more volatile than the first solvent; heating the at least one polymeric yarn; drawing at room temperature, at least once, the at least one polymeric yarn; and heat drawing, at least once, the at least one polymeric yarn, wherein the mixture comprises: a polymer comprising ultra-high molecular weight polyethylene, comprising an intrinsic viscosity of from 5 dL/g to 40 dL/g, and a polydispersity index of from 2 to 10; and a first solvType: GrantFiled: December 2, 2015Date of Patent: June 1, 2021Assignee: Braskem S.A.Inventors: Marcos Roberto Paulino Bueno, Alessandro Bernardi, Harry Westfahl, Jr.
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Publication number: 20210094225Abstract: A laser sintering device for producing parts composed of powder materials is disclosed, the device including a mechanism which allows for porosity control during production of parts made with the materials. A method of producing a three-dimensional object is also provided, which includes the steps of disposing a layer of a powder material on a target surface, applying pressure to a powder material layer and directing an energy beam over a selected area of the powder material layer, wherein the powder is sintered or melted, and repeating the steps to form the three-dimensional object. The resultant three-dimensional objects made of powder material are also described.Type: ApplicationFiled: December 19, 2018Publication date: April 1, 2021Applicant: Braskem America, Inc.Inventors: Alessandro Bernardi, Marcos Roberto Paulino Bueno
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Publication number: 20200283929Abstract: The present invention is directed to a method and a system for the production of at least one polymeric yarn comprising means for mixing a polymer (1) with a first solvent yielding a mixture; means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping the mixture into a quenching bath (30), wherein an air gap is maintained before the mixture reaches the quenching bath (30) liquid surface forming at least one polymeric yarn; means for drawing (41) the at least one polymeric yarn at least once; means for washing (5) the at least one polymeric yarn with a second solvent that is more volatile than the first solvent; means for heating the at least one polymeric yarn (6); means for drawing at room temperature (7) the at least one polymeric yarn at least once; and means for heat drawing (8) the at least one polymeric yarn at least once.Type: ApplicationFiled: March 20, 2020Publication date: September 10, 2020Applicant: Braskem America, Inc.Inventors: Marcos Roberto Paulino Bueno, Andre Penaquioni, Alessandro Bernardi, Sergio Luiz Dias Almeida, Leandro Ohara Oliveira Santa Rosa, Patricia Freitas Oliveira Fialho, Daniela Zaira Rauber
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Publication number: 20200270769Abstract: The present invention is directed to a method and a system for the production of at least one polymeric yarn comprising means for mixing a polymer (1) with a first solvent yielding a mixture; means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping the mixture into a quenching bath (30), wherein an air gap is maintained before the mixture reaches the quenching bath (30) liquid surface forming at least one polymeric yarn; means for drawing (41) the at least one polymeric yarn at least once; means for washing (5) the at least one polymeric yarn with a second solvent that is more volatile than the first solvent; means for heating the at least one polymeric yarn (6); means for drawing at room temperature (7) the at least one polymeric yarn at least once; and means for heat drawing (8) the at least one polymeric yarn at least once.Type: ApplicationFiled: March 20, 2020Publication date: August 27, 2020Applicant: Braskem America, Inc.Inventors: Marcos Roberto Paulino Bueno, Andre Penaquioni, Alessandro Bernardi, Sergio Luiz Dias Almeida, Leandro Ohara Oliveira Santa Rosa, Patricia Freitas Oliveira Fialho, Daniela Zaira Rauber
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Publication number: 20200270770Abstract: The present invention is directed to a method and a system for the production of at least one polymeric yarn comprising means for mixing a polymer (1) with a first solvent yielding a mixture; means for homogenizing the mixture; means for rendering the mixture inert (21, 22, 23); means for dipping the mixture into a quenching bath (30), wherein an air gap is maintained before the mixture reaches the quenching bath (30) liquid surface forming at least one polymeric yarn; means for drawing (41) the at least one polymeric yarn at least once; means for washing (5) the at least one polymeric yarn with a second solvent that is more volatile than the first solvent; means for heating the at least one polymeric yarn (6); means for drawing at room temperature (7) the at least one polymeric yarn at least once; and means for heat drawing (8) the at least one polymeric yarn at least once.Type: ApplicationFiled: March 20, 2020Publication date: August 27, 2020Applicant: Braskem America, Inc.Inventors: Marcos Roberto Paulino Bueno, Andre Penaquioni, Alessandro Bernardi, Sergio Luiz Dias Almeida, Leandro Ohara Oliveira Santa Rosa, Patricia Freitas Oliveira Fialho, Daniela Zaira Rauber
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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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Publication number: 20200131350Abstract: A blow molded article may include a polymer matrix comprising virgin or recycled polyolefin; and one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles comprise a polar polymer selectively crosslinked with a crosslinking agent. The one or more polymer particles has an average particle size of up to 200 ?m. Further, the blow molded article may possess improved ESCR, while maintaining stacking resistance, drop impact resistance, leakproofness, internal hydrostatic pressure resistance, and/or barrier to volatile organic compounds.Type: ApplicationFiled: October 24, 2019Publication date: April 30, 2020Applicant: Braskem S.A.Inventors: Bárbara Iria Silva Mano, Marcelo Farah, Mariele Kaipers Stocker, Marcos Roberto Paulino Bueno, Rafael Vilela Laurini, Ronaldo Bollinelli Gomes, Ana Paula Rodrigues Camilo
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Publication number: 20190330428Abstract: A method may include reprocessing a polymer composition comprising a crosslinked polymeric composition, wherein the crosslinked polymeric composition comprises a matrix polymer having a polar polymer internal phase that is selectively crosslinked with a crosslinking agent, wherein the reprocessed polymer composition retains an environmental stress cracking resistance within 60% of the value for the initial polymer composition when measured according to ASTM D-1693 procedure B and wherein the reprocessed polymer composition presents a Normalized Property Balance Index (NPBI) greater than about 1.0.Type: ApplicationFiled: July 3, 2019Publication date: October 31, 2019Applicant: Braskem S.A.Inventors: Ana Paula Rodrigues Camilo, Bárbara Iria Silva Mano, Marcelo Farah, Marcos Roberto Paulino Bueno, Mariele Kaipers Stocker
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Publication number: 20190322819Abstract: A polymer composition may include a crosslinked polymeric additive composition that includes a matrix polymer comprising a polyolefin, and one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles comprise a polar polymer selectively crosslinked with a crosslinking agent; and a secondary polymer composition.Type: ApplicationFiled: July 3, 2019Publication date: October 24, 2019Applicant: Braskem S.A.Inventors: Ana Paula Rodrigues Camilo, Bárbara Iria Silva Mano, Marcelo Farah, Marcos Roberto Paulino Bueno, Mariele Kaipers Stocker
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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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Publication number: 20180282904Abstract: The present invention provides a continuous method for the production of at least one polymeric yarn comprising the steps of: mixing a polymer with a first solvent generating a mixture; homogenizing the mixture; rendering the mixture inert; dosing the mixture to an extruder; immersing the mixture in a quenching bath (30), wherein an air gap is maintained before the mixture achieves the surface of the liquid of the quenching bath (30) forming at least one polymeric yarn; drawing at least once the at least one polymeric yarn; washing the polymeric yarn with a second solvent that is more volatile than the first solvent; heating the at least one polymeric yarn; drawing at room temperature, at least once, the at least one polymeric yarn; and heat drawing, at least once, the at least one polymeric yarn, wherein the mixture comprises: a polymer comprising ultra-high molecular weight polyethylene, comprising an intrinsic viscosity of from 5 dL/g to 40 dL/g, and a polydispersity index of from 2 to 10; and a first solvType: ApplicationFiled: December 2, 2015Publication date: October 4, 2018Inventors: Marcos Roberto Paulino Bueno, Alessandro Bernardi, Harry Westfahl
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Patent number: 9816228Abstract: The present invention relates to synthetic cables comprising core and splicing threads with high modulus threads, wherein the ends of the cable comprise looped or eyelet splice-type termination ends (1), and wherein each leg of the parallel splicing threads (13, 13?) is connected to parallel core threads (21) at an interpenetration region (12). The method comprises individually connecting each leg of the splicing threads (13) with a positive splice to a core thread(s) (21) of the beginning end of the cable (2); looping; straining all the threads and applying a normal compression force at the interpenetration region (12); applying a protective element(s) (32) along the cable and further individually connecting each leg of the splicing threads (21) to form a negative splice to a core thread(s) (21) of the final end of the cable core (2); and looping, straining and applying a normal compression force (12) on the negative splice at the interpenetration region.Type: GrantFiled: July 29, 2014Date of Patent: November 14, 2017Assignee: Braskem S.A.Inventors: Marcos Roberto Paulino Bueno, André Penaquioni
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Publication number: 20170096552Abstract: 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: September 30, 2016Publication date: April 6, 2017Applicants: 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