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BAK Braskem

APP
Utility
Production and Use of Plasticizers Based on 2,4-ISOMER of Furandicarboxylic Acid Diesters
2 Dec 21
The present disclosure generally relates to a compound of dialkyl ester of 2,4-furandicarboxylic acid, a method of preparing the compound, a polymer composition comprising a polymer and the compound, a method of preparing the polymer composition, a polymer product comprising the polymer composition and a method of using the compound as a plasticizer in the polymer product.
Felipe Cicaroni Fernandes, Iuri Estrada Gouvea, Antonio Rodolfo, JR., Mateus Schreiner Garcez Lopes
Filed: 28 May 21
GRANT
Utility
Process for treatment of nanoparticles of mineral filler for use in polymerization in the presence of nanoparticles
30 Nov 21
A process for treatment of nanoparticles of mineral filler for obtaining processed nanoparticles for use in polymerization in the presence of nanoparticles which includes the steps of (a) drying a mineral filler with an inert gas to remove catalyst poisons; (b) mixing the mineral filler dried obtained in step (a) with a swelling agent in a liquid state or near a critical state or in the supercritical state; (c) subjecting the swelling agent of the mixture obtained in step (b) to an endoenthalpic or isoentalphic phase change by altering the conditions of the temperature and/or pressure; (d) subjecting the nanoparticles of the mixture obtained in step (c) to contact of scavenging agent to react with catalyst poisons; then the mixture obtained in step (d) can be dried in a step (e) with an inert gas to remove sub-products from scavenging agent and catalyst poisons to obtain the treated nanoparticles.
Dihogenes Adriano Pozzer, Olavo Martins Junior, Alessandra Coelho Silva Lucas, Fernando Silveira
Filed: 29 Dec 14
GRANT
Utility
Reprocessing of polymeric compositions
16 Nov 21
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.
Ana Paula Rodrigues Camilo, Bárbara Iria Silva Mano, Marcelo Farah, Marcos Roberto Paulino Bueno, Mariele Kaipers Stocker
Filed: 3 Jul 19
GRANT
Utility
Polymeric additive for improving polymer environmental stress cracking resistance properties
2 Nov 21
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.
Ana Paula Rodrigues Camilo, Bárbara Iria Silva Mano, Marcelo Farah, Marcos Roberto Paulino Bueno, Mariele Kaipers Stocker
Filed: 3 Jul 19
GRANT
Utility
Methods for the co-production of ethylene glycol and three carbon compounds
2 Nov 21
The present disclosure relates to single and/or multi-stage, biological processes and systems for converting C5, C6, and/or disaccharide carbon sources to desirable products including monoethylene glycol (MEG) and one or more three-carbon compounds such as acetone, isopropanol or propene.
Jose Geraldo Da Cruz Pradella, Ane Fernanda Beraldi Zeidler, Ana Karina Brambilla Costa
Filed: 12 Mar 19
APP
Utility
Biaxially Oriented Polypropylene Multilayer Film and Methods Thereof
16 Sep 21
A biaxially oriented multilayer film may include at least one sealing layer including at least a linear low density polyethylene (LLDPE); and at least one core layer including at least a polypropylene copolymer.
Francisco Carlos Ruiz
Filed: 12 Mar 21
GRANT
Utility
Polyolefin compositions with improved mechanical and barrier properties
7 Sep 21
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 μm.
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
Filed: 20 May 19
APP
Utility
Production of Ethanol with One or More Co-products In Yeast
26 Aug 21
The disclosure provides processes for the production of ethanol and one or more co-products from a fermentable carbon source.
Felipe GALZERANI, Adler Gomes MOURA, Mateus Schreiner GARCEZ LOPES, Luige Armando Lierena CALDERON
Filed: 22 Feb 21
APP
Utility
Method for the In Vivo Synthesis of 4-HYDROXYMETHYLFURFURAL and Derivatives Thereof
5 Aug 21
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.
Paulo Moises Raduan ALEXANDRINO, Iuri Estrada GOUVEA, Veronica Leite QUEIROZ, Felipe Cicaroni FERNANDES, Bárbara MANO
Filed: 31 Mar 21
APP
Utility
Method for the In Vivo Synthesis of 4-HYDROXYMETHYLFURFURAL and Derivatives Thereof
22 Jul 21
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.
Paulo Moises Raduan ALEXANDRINO, Iuri Estrada GOUVEA, Veronica Leite QUEIROZ, Marcos Rogerio SIMÕES
Filed: 1 Feb 21
GRANT
Utility
Process for purification of vinyl acetate for use in polymerization in the presence of ethylene
13 Jul 21
Process for purification of unreacted vinyl acetate monomers comprising the steps of preliminarily loading an adsorbent agent bed with a mixture comprising an inert gas and fresh vinyl acetate; and feeding said adsorbent agent bed with unreacted vinyl acetate monomers to remove acetic acid.
Dihogenes Adriano Pozzer, Olavo Martins Junior, Alessandra Coelho Silva Lucas, Iuri Freytag
Filed: 19 Dec 17
APP
Utility
Terpolymers for Caps and Closures
1 Jul 21
Polymer compositions may comprise propylene, present in a range of 80 to 95 wt % of the polymer composition, and two comonomers selected from a group comprising ethylene and C4-C10 alpha olefins, wherein the polymer composition has a total content of the comonomers in the range of 5 to 20 wt % of the polymer composition.
Francisco Carlos Ruiz
Filed: 24 Jul 19
GRANT
Utility
Intelligent polymer compositions
29 Jun 21
Polymeric compositions may include one or more adjunct polymers selected from a group of an ionomer and a polar polymer; and an intelligent additive, wherein when exposed to the external stimuli, the intelligent additive triggers a color change in the polymeric composition.
Márcia Pires Fortes Ferreira, Leonardo Batista Ito, Luciane França De Oliveira, João Henrique Zimnoch dos Santos, Viviane Dalmoro
Filed: 12 Sep 17
APP
Utility
Intelligent Compositions, Packaging, and Methods Thereof
24 Jun 21
Packaging materials may include a packaging material formed from an intelligent polymer composition, wherein the intelligent polymer composition includes a matrix polymer and an indicator, wherein the indicator triggers a color change in the intelligent polymeric composition when exposed to an external stimulus, and wherein the intelligent polymer composition is configured to contact a material enclosed within the packaging material.
Murilo Lauer Sanson, Mariele Kaipers Stocker, Rodrigo Brambilla, Arthur Alaim Bernardes, Marcia Pires Fortes Ferreira, Leonardo Batista Ito
Filed: 19 Dec 19
APP
Utility
Railroad sleeper and process for manufacturing a railroad sleeper
17 Jun 21
The present invention relates to a railroad sleeper (1) for fixation of at least a pair of rails (2,2′) of a railroad network, comprising a contact surface (3), wherein each rail of the pair of rails (2,2′) is fixed spaced apart from each other, the railroad sleeper (1) being configured by comprising a hollow sector (4) delimited by association of the contact surface (3) with the anchorage walls (5,5′), thus establishing a free portion (17) adjacent to the anchorage walls (5,5′) and opposite the contact surface (3).
Guilherme Longa Nose, Daniel Wenzer Trevizan, Luiz Francisco Muniz da Silva, Jorge Luis Goudene Spada, Claudio Pereira da Silva Zamith, Walter Vidon Junior, Renato Teixeira Vargas
Filed: 3 Jun 20
APP
Utility
Apparatus and Process of Additive Manufacturing Using an Extruder
3 Jun 21
A three dimensional printer 100 may include at least one feed chamber 102 supplying a solidified material, an extruder 104 configured to receive the solidified material from the at least one feed chamber and to process the solidified material into a molten phase, a melt pump 106 configured to receive the molten phase from the extruder, and a printing head 108 configured to receive the molten phase from the melt pump and to deposit the molten phase in successive layers to form a three-dimensional object.
Alessandro Bernardi
Filed: 14 Dec 18
GRANT
Utility
Continuous method and system for the production of at least one polymeric yarn and polymeric yarn
1 Jun 21
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 solvent capable of dissolving the polymer under the process conditions, and comprising a dynamic viscosity, measured at a temperature of 37.8° C., according to ASTM D-445, greater than 10 cP.
Marcos Roberto Paulino Bueno, Alessandro Bernardi, Harry Westfahl, Jr.
Filed: 2 Dec 15
GRANT
Utility
Multisite heterogeneous catalyst, process for preparing the same and process for obtaining polyolefins using said catalyst
25 May 21
The instant invention relates to the use of titanium-based oxopolymers for preparing suitable catalysts for reactions of olefin polymerization and/or olefin and alpha-olefin copolymerization.
Adriano Giraldi Fisch, Maila Noeli Cardoso, Rodrigo Brambilla
Filed: 25 May 16
GRANT
Utility
Foam composition with improved properties and applications thereof
25 May 21
Foamed compositions that include: one or more foamable polymers; one or more ionomeric additives; and wherein the foam composition exhibits shrinkage as determined at 70° C.*1 h according to the PFI method between 0.1 and 3.5%.
Ana Paula Rodrigues Camilo, Giancarlos Delevati, Gislene Zehetmeyer, Mauro Alfredo Soto Oviedo
Filed: 5 Nov 18
APP
Utility
Eva-containing Compositions with Improved Mechanical Properties and Articles and Methods Thereof
13 May 21
Blended polymer compositions and methods of making the same include an elastomeric EVA composition in an amount ranging from about 46 to 70 wt % of the polymer composition; and a polypropylene in an amount ranging from about 20 to 40 wt % of the polymer composition.
Giancarlos Delevati
Filed: 13 Nov 19
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