Patents Assigned to Braskem S.A.
  • Publication number: 20220185922
    Abstract: A copolymer may include ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon. Embodiments may also be directed to curable polymer compositions, expandable polymer compositions, articles, cured articles, and expanded articles formed from or including such copolymers of ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon. A process for producing an ethylene vinyl acetate copolymer may include fermenting a renewable source of carbon to produce ethanol; dehydrating the ethanol, wherein the ethanol is dehydrated to produce ethylene; and polymerizing ethylene and vinyl acetate to produce the ethylene vinyl acetate copolymer.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Applicant: Braskem S.A.
    Inventors: Giancarlos Delevati, Mauro Alfredo Soto Oviedo, Fernanda Munhoz Anderle, Omar Wandir Renck, José Augusto Esteves Viveiro
  • Patent number: 11352375
    Abstract: A method of forming polymerization auxiliaries for a polymerization process may include combining an antifouling agent with a killer agent to form an auxiliary composition; and contacting the auxiliary composition with an alkylaluminum. An antifouling complex may be produced by combining an antifouling agent with a killer agent to form an auxiliary composition; and contacting the auxiliary composition with an alkylaluminum.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: June 7, 2022
    Assignee: Braskem S.A.
    Inventors: Olavo Martins Junior, Dihogenes Adriano Pozzer, Élita Cavalli
  • Publication number: 20220169840
    Abstract: A biobased polymer composition for pharmaceutical articles includes a low density polyethylene, in which at least a portion of ethylene is obtained from a renewable source of carbon. The biobased polymer composition exhibits an Emission Factor ranging from ?3.5 to 0 kg CO2e/kg of the biobased polymer composition, and is biocompatible for use in pharmaceutical packaging. A pharmaceutical article includes the biobased polymer composition and has a volume ranging from 0.04 ml to 10000 ml. A method for forming a pharmaceutical article includes extruding the biobased polymer composition at a temperature ranging from 100 to 250° C. and at a screw speed ranging from 20 to 100 rpm. A method for producing a biobased polymer composition includes polymerizing ethylene at least partially obtained from a renewable source of carbon to form a low density polyethylene.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 2, 2022
    Applicant: Braskem S.A.
    Inventors: Camila Pilatti Mainka, Amel Murgic, Thaysa Pando, Cristhian Oliveira
  • Patent number: 11345908
    Abstract: The present disclosure generally relates to modified microorganisms comprising an optimized system for oligosaccharide utilization comprising one or more polynucleotides coding for one or more energy independent oligosaccharide transporters for transporting an oligosaccharide into the microorganism, one or more polynucleotides coding for enzymes that catalyze the conversion of the oligosaccharide into at least one phosphorylated saccharide, and one or more polynucleotides coding for enzymes that catalyze the conversion of the phosphorylated saccharide into an isomer of the phosphorylated saccharide that is utilized in one or more enzymatic pathways in the microorganism for the production of an organic molecule such as acetic acid, acrylic acid, 3-hydroxypropionic acid, lactic acid, etc. The present disclosure also generally relates to methods of using the optimized system for oligosaccharide utilization.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: May 31, 2022
    Assignee: BRASKEM S.A.
    Inventors: Avram Michael Slovic, Daniel Johannes Koch
  • Patent number: 11339414
    Abstract: The present disclosure provides recombinant microorganisms and methods for the production of 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA from a carbon source. The method provides for engineered microorganisms that express endogenous and/or exogenous nucleic acid molecules that catalyze the conversion of a carbon source into 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA. The disclosure further provides methods of producing polymers derived from 4-HMF, 2,4-furandimethanol, furan-2,4-dicarbaldehyde, 4-(hydroxymethyl)furoic acid, 2-formylfuran-4-carboxylate, 4-formylfuran-2-carboxylate, and/or 2,4-FDCA.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: May 24, 2022
    Assignee: BRASKEM S.A.
    Inventors: Paulo Moises Raduan Alexandrino, Iuri Estrada Gouvea, Veronica Leite Queiroz
  • Publication number: 20220153976
    Abstract: A method for producing a low viscosity polypropylene composition may include melting a polypropylene-based composition; reducing a viscosity of the polypropylene-based composition; and optionally, repeating the melting and the reducing steps to form a low melt viscosity polypropylene-based composition; wherein the melting and viscosity decreasing steps are performed in the presence of at least one free radical generator and at least one pro-degradant stearate.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 19, 2022
    Applicant: Braskem S.A.
    Inventors: Ana Paula Rodrigues Camilo, Kimberly Miller McLoughlin, Marcelo Farah, Regina Funck Nonemacher, Ana Paula de Azeredo
  • Publication number: 20220153883
    Abstract: A method for producing a low viscosity polyethylene-based composition comprising melting a polyethylene-based composition; decreasing a viscosity of the polyethylene-based composition; and optionally, repeating the melting and the viscosity decreasing steps to form a low viscosity polyethylene-based composition; wherein the melting and viscosity decreasing steps are performed in a continuous process at temperature that is equal to or greater than 350° C., residence time of less than 2 min and the polyethylene-based composition is in the presence of at least one free radical generator.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 19, 2022
    Applicant: Braskem S.A.
    Inventors: Ana Paula Rodrigues Camilo, Kimberly Miller McLoughlin, Marcelo Farah, Regina Funck Nonemacher, Ana Paula de Azeredo
  • Patent number: 11326002
    Abstract: A polymer composition may include a polymer produced from ethylene, one or more branched vinyl ester monomers, and optionally, vinyl acetate; wherein the polymer has a number average molecular weight ranging from 5 to 10,000 kDa, and a molecular weight distribution ranging from 1 to 60, obtained by GPC.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: May 10, 2022
    Assignee: Braskem S.A.
    Inventors: Ashley Hanlon, Hadi Mohammadi, Nei Sebastiao Domingues, Jr., Adriane Gomes Simanke, Manoela Ellwanger Cangussu, Markus Busch, Sascha Hintenlang
  • Patent number: 11319469
    Abstract: The present invention refers to co-extrusion of one or more polyolefins with one or more adhesive layers to improve the adhesiveness of the polyolefins in metal, epoxy resin, glass, ceramics, paper, wood, thermoplastic resin, fabric, non-woven fabric, varnishes and formica. More specifically, the present invention refers to a method of co-extruding at least one polyolefin with an adhesive layer, thereby enhancing the adhesion properties of the polyolefin, particularly in polyurethane foams such that a polar surface is imparted to the obtained adhesived polyolefin.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: May 3, 2022
    Assignee: Braskem S.A.
    Inventors: Carolina Barreto Roma Martinelli, Marcelo Farah
  • Publication number: 20220127760
    Abstract: A yarn may include at least one filament formed from a polymer composition comprising: a polymer at an amount ranging from 95 wt % to 99.99 wt %; a carbon-based nanomaterial at an amount ranging from 0.01 wt % to 5 wt %. A method may include melt spinning a polymer composition to produce a yarn, where the polymer composition includes a polymer at an amount ranging from 95 wt % to 99.99 wt %; a carbon-based nanomaterial at an amount ranging from 0.01 wt % to 5 wt %.
    Type: Application
    Filed: October 25, 2021
    Publication date: April 28, 2022
    Applicants: SENAI/CETIQT, Braskem S.A.
    Inventors: Nathan Riany Valerio Albino, Ricardo Rodrigo Ramos Cecci, Camila Vicente de Farias, Igor Lopes Soares, Vinicius Galhard Grassi
  • Publication number: 20220112365
    Abstract: Heterophasic propylene copolymer compositions may include a polymer matrix of a random propylene copolymer and an elastomeric copolymer dispersed in the polymer matrix in an amount ranging from about 10 to 35 wt. %, relative to the weight of the composition. The random propylene copolymer may include one or more comonomers in an amount ranging from about 0.5 to 8.0 wt. % of the random propylene copolymer. The elastomeric copolymer may include propylene and one or more comonomers, where the one or more comonomers are present in an amount ranging from about 15 to 60 wt. % of the elastomeric copolymer. Films may be formed from heterophasic propylene copolymer compositions. Methods of preparing heterophasic propylene copolymer compositions may include performing a multistage polymerization.
    Type: Application
    Filed: January 13, 2020
    Publication date: April 14, 2022
    Applicant: Braskem S.A.
    Inventors: Luiza Burns Barreto, Antonio Carlos Quental, Gerd Lohse
  • Publication number: 20220106472
    Abstract: A polymer composition may include one or more ethylene-vinyl acetate (EVA) copolymers in an amount ranging from 65 to 95 wt %; and an elastomer in an amount ranging from 5 to 35 wt %. Articles prepared from such polymer composition may include shoe soles, midsoles, outsoles, unisoles, insoles, monobloc sandals, flip flops, full EVA footwear, or sportive articles.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 7, 2022
    Applicant: Braskem S.A.
    Inventors: Giancarlos Delevati, Juliani Cappra Da Silva
  • Publication number: 20220106454
    Abstract: A polymer composition may include at least one ethylene vinyl acetate (EVA) polymer; a blowing agent in an amount ranging from 2 to 18 phr; and a crosslinking agent in an amount ranging from 0.3 to 4 phr. A method includes expanding an EVA-based polymer composition to form a foam having a density ranging from 0.01 g/cm3 to 0.06 g/cm3 and a hardness ranging from 10 to 60 Shore 00.
    Type: Application
    Filed: October 1, 2021
    Publication date: April 7, 2022
    Applicant: Braskem S.A.
    Inventors: Giancarlos Delevati, Robison Passos
  • Patent number: 11286490
    Abstract: The present application relates to recombinant microorganisms expressing a dehydratase useful in a one-step, direct fermentative production of one or more primary alkenes from one or more saturated primary or secondary alcohols. Known, well developed high-yielding pathways that use renewable feedstock can be introduced into the recombinant microorganisms to obtain the alcohol precursors. Also provided are methods of producing one or more primary alkenes using the recombinant microorganisms, as well as compositions comprising the recombinant microorganisms and/or optionally the primary alkene products.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: March 29, 2022
    Assignee: BRASKEM S.A.
    Inventors: Mateus Schreiner Lopes, Daniel Johannes Koch, Iuri Estrada Gouvea, Debora Noma Okamoto, Veronica Leite Queiroz
  • Patent number: 11267959
    Abstract: A copolymer may include ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon. Embodiments may also be directed to curable polymer compositions, expandable polymer compositions, articles, cured articles, and expanded articles formed from or including such copolymers of ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon. A process for producing an ethylene vinyl acetate copolymer may include polymerizing ethylene at least partially obtained from a renewable source of carbon with vinyl acetate to produce the ethylene vinyl actate copolymer.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: March 8, 2022
    Assignee: Braskem S.A.
    Inventors: Giancarlos Delevati, Mauro Alfredo Soto Oviedo, Fernanda Munhoz Anderle, Omar Wandir Renck, José Augusto Esteves Viveiro
  • Patent number: 11260367
    Abstract: The present invention relates to a catalytic system for the preparation of light olefins through the dehydration of alcohols, including at least one catalyst and at least one co-catalyst, wherein the catalyst is selected from among catalysts for the catalytic dehydration of ethanol and with the co-catalyst selected from among oxy-ketonization reaction catalysts, wherein the catalyst:co-catalyst mass ratio is within a range of 0.5:0.125 to 2:10, and preferably within a range of 1:0.25 to 1:5.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: March 1, 2022
    Assignees: Instituto Nacional de Tecnologia, Braskem S.A.
    Inventors: Marco Andre Fraga, Lucia Gorenstin Appel, Alexandre Barros Gaspar, Felipe Jorge Lima da Silveira, Andrea Maria Duarte de Farias, Clarissa Perdomo Rodrigues, Fabio Bellot Noronha, Roberto Werneck do Carmo, Andrea Marins de Oliveira, Luiza Roza
  • Publication number: 20220056280
    Abstract: A method of manufacturing an article using a powder bed fusion technique including depositing a first layer of a dry blend mixture on to a target surface, the dry blend mixture comprising a thermoplastic polymer powder and a stearate additive in a range of 2,000 ppm to 20,000 ppm; directing energy to the first layer of the dry blend mixture so as to melt and sinter at least portion of the first layer of the dry blend mixture; and successively depositing layers of the dry blend mixture and directing energy to the deposited layers so as to melt and sinter at least a portion of the successive layers to a prior layer to perform a layer-by-layer process until a three-dimensional structure is obtained.
    Type: Application
    Filed: August 23, 2021
    Publication date: February 24, 2022
    Applicant: Braskem S.A.
    Inventors: Alexandre da Luz, Juliana Breda Soares, Dillan Passos Bernardes
  • Patent number: 11254808
    Abstract: 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: Grant
    Filed: May 20, 2019
    Date of Patent: February 22, 2022
    Assignees: Braskem S.A., Universidade Federal do Rio de Janeiro
    Inventors: 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
  • Publication number: 20220041905
    Abstract: A composition may include a polyethylene wax, in which the polyethylene comprises at least a portion of ethylene that is obtained from a renewable source of carbon. Compositions may be, and articles may include, a hot melt adhesive composition, a filler masterbatch composition, a cosmetic composition, an ink composition or a PVC processing composition.
    Type: Application
    Filed: August 6, 2021
    Publication date: February 10, 2022
    Applicant: Braskem S.A.
    Inventors: Suzana Kupidlowski Boaventura, Dhananjay Ramesh Patil, Rafael Pedro Pellicciotta
  • Patent number: 11220592
    Abstract: Compositions may include a tactile polymer composition prepared from a mixture of polyolefin and a rubber component, wherein the mixture is prepared in a post-reactor process, and wherein the tactile polymer composition has a complex viscosity at 0.10 rad/s according to ASTM D4440 in the range of 1,000 to 40,000 Pa·s. Methods may include preparing a tactile polymer composition by combining a mixture of polyolefin and a rubber component at elevated temperature to produce a blended polymer composition; wherein the tactile polymer composition has a complex viscosity at 0.10 rad/s according to ASTM D4440 in the range of 1,000 to 40,000 Pa·s.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: January 11, 2022
    Assignee: Braskem S.A.
    Inventors: Leonardo Souza Bento, Augusto Cesar Esteves