159 patents
Utility
Process for introducing catalyst in a polymerization process
9 Jan 24
Methods of adding a catalyst to a bulk polymerization process may include mixing the catalyst with propylene to form a catalyst mixture that is substantially free of any C20 or greater hydrocarbons, feeding the catalyst mixture into a polymerization reactor, activating the catalyst mixture; and performing a polymerization on the catalyst mixture in the polymerization reactor.
Olavo Martins Junior, Dihogenes Adriano Pozzer, Élita Cavalli
Filed: 27 Dec 19
Utility
Polypropylene Fiber for Fiber Cement-reinforced Composites
14 Dec 23
A polypropylene fiber including: a polypropylene matrix, at least a surface modifier, and at least an additive selected from surfactants, lubricating agents or mixtures thereof.
Mauro Alfredo Soto Oviedo, Holmer Savastano Junior, Ronaldo Soares Teixeira
Filed: 9 Jun 23
Utility
Polyethylene copolymer and terpolymer hotmelt adhesive compositions, articles and methods of preparing same
28 Nov 23
A hotmelt adhesive composition includes a polymer produced from ethylene, one or more branched vinyl ester monomers, and optionally, vinyl acetate, and a tackifier.
Hadi Mohammadi, Nei Sebastião Domingues Junior
Filed: 19 Jan 22
Utility
Continuous feed of antistatic agent for gas phase polymerization process
21 Nov 23
Methods may include reacting an antistatic agent with at least one alkylaluminum to form an antistatic complex, and may further include feeding the antistatic complex into a polymerization process.
Olavo Martins Junior, Dihogenes Adriano Pozzer, Élita Cavalli, Adriano Giraldi Fisch, Roberto Osório Jimenez
Filed: 27 Dec 19
Utility
Bio-based Hdpe for Non-woven Application
16 Nov 23
A polymer composition may include a high-density polyethylene (HDPE), in which at least a portion of ethylene from the HDPE is obtained from a renewable source of carbon.
Camila Pilatti Mainka, Amel Murgic, Felix Lesouef
Filed: 11 May 23
Utility
Proplylene-based Copolymer Product
26 Oct 23
Heterophasic polypropylene copolymer compositions and methods of making the same include a matrix phase of a random polypropylene-based copolymer; and an elastomeric rubber phase dispersed in the matrix phase, wherein the elastomeric rubber phase includes propylene and one or more comonomers and has a viscosity index ratio, relative to a viscosity index of the random polypropylene-based copolymer, that ranges from 0.3 to 1.1; and wherein an average particle size of the dispersed elastomeric rubber phase is less than 300 nm.
Tadeu Mezacasa Forest, Gustavo Gori Lusa
Filed: 28 Jun 23
Utility
Recycling processes for laminates and multi-layers
17 Oct 23
A method of recycling a first polymer from a multi-component polymer product may include subjecting the multi-component polymer product that includes a first polymer and at least one additional component to conditions to melt the first polymer; and filtering the at least one additional component from the molten first polymer.
Marcelo Farah, Bárbara Iria Silva Mano, Ana Paula Rodrigues Camilo
Filed: 5 Jun 19
Utility
Polyethylene copolymers and products and methods thereof
17 Oct 23
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.
Ashley Hanlon, Hadi Mohammadi, Nei Sebastião Domingues Junior, Adriane Gomes Simanke, Manoela Ellwanger Cangussu, Markus Busch, Sascha Hintenlang
Filed: 26 Apr 22
Utility
Impact Modified Polypropylene Composition, Articles and Method of Preparing Same
12 Oct 23
A polymer composition contains a polypropylene-based polymer, a vinyl ester containing copolymer which includes ethylene, one or more branched vinyl ester monomers, and optionally, vinyl acetate.
Hadi Mohammadi, Nei Sebastião Domingues Junior, Kevin Herrington, Sharareh Asiaee
Filed: 6 Apr 23
Utility
Refillable Roll-on Material Container and Method of Use Thereof
12 Oct 23
A refillable packaging container for a roll-on material includes a body having a cup at its upper end, a spherical roller ball sitting within and retained by the cup, a refill container configured to contain a roll-on material, and a lid.
Tarcio Schwarz Borgo, Fabio de Andre Sant'ana
Filed: 11 Apr 23
Utility
Lumps Discharge System
12 Oct 23
A system for removing particle agglomerates from a particulate product stream.
Roberto Osorio Jiménez, Paulo Roberto Ignacio, Tiago Mohr
Filed: 11 Apr 23
Utility
Ziegler-Natta produced polyethylene and methods thereof
10 Oct 23
A process of producing a composition comprising a copolymer of ethylene and one or more C4-C8 α-olefins, may include copolymerizing the ethylene and the one or more C4-C8 α-olefins in the presence of a procatalyst and an alkylaluminum cocatalyst.
Márcia Silva Lacerda Miranda, Olavo Martins Junior, Yue Yu, Christophe Boisson, Timothy Frederick Llewellyn McKenna
Filed: 26 Oct 20
Utility
Very soft EVA foam and methods thereof
10 Oct 23
A polymer composition may include an ethylene vinyl acetate (EVA) polymer at an amount ranging from 10 to 90 phr; an elastomeric EVA composition at an amount ranging from 10 to 90 phr; a plasticizer at an amount ranging from 5 to 40 phr; a blowing agent in an amount ranging from 2 to 10 phr; and a peroxide in an amount ranging from 0.3 to 4 phr.
Giancarlos Delevati
Filed: 11 Sep 20
Utility
Multimodal Hdpe for Blow Molding Applications
5 Oct 23
A polyethylene composition comprising may include a multimodal high-density polyethylene, comprising at least a lower molecular weight fraction and a higher molecular weight fraction, and a low density polyethylene, wherein the low-density polyethylene is present in an amount of greater than 1 to 20% by percent weight of the total composition.
Camila Pilatti Mainka, Leonardo Souza Bento, Arthur Vieira Dalmagro, Matheus Borlino Lotumolo, Fernanda Franco Tonelotti, Gustavo Todescato Dassi
Filed: 29 Mar 23
Utility
Novel Nadh-dependent Enzyme Mutants to Convert Acetone into Isopropanol
7 Sep 23
The present disclosure relates to biological processes and systems for the production of isopropanol and/or acetone utilizing modified alcohol dehydrogenases that exhibit increased activity with NADH as a cofactor.
Verônica Leite QUEIROZ, Lucas Pedersen PARIZZI, Iuri Estrada GOUVEA, Debora Noma OKAMOTO, Rafael Victório Carvalho GUIDO, Alessandro Silva NASCIMENTO, Igor POLIKARPOV
Filed: 20 Dec 22
Utility
Bio-based EVA compositions and articles and methods thereof
5 Sep 23
A polymer may include a copolymer of ethylene and vinyl acetate, in which the ethylene is at least partially obtained from a renewable source of carbon, and wherein the copolymer has a melt index (190° C./2.16 kg) ranging from 0.12 to 8.0 g/10 min according to ASTM D1238.
Giancarlos Delevati, Omar Wandir Renck, Carlos Augusto Maia Faria, Paulo Lourenço Brito Herrmann, Marcial Cesar Vieira, Patricia Mara De Freitas Rocha, Marcelo Fioravanti das Neves, Roger Ribeiro Malmegrim
Filed: 15 Oct 20
Utility
High flow rotomolding compositions, processes thereof, and articles therefrom
5 Sep 23
Compositions may include a polymer melt blend composition prepared from two polyethylene copolymers having different densities, wherein the polymer melt blend composition possesses improved flowability and impact resistance for low thickness rotomolding applications.
Eliomar Ricardo Pimenta
Filed: 12 Jun 20
Utility
Metabolic engineering for simultaneous consumption of Xylose and glucose for production of chemicals from second generation sugars
5 Sep 23
The present disclosure provides methods for genetically modifying microbes to produce a microbe capable of simultaneous consumption of xylose and glucose to increase the productivity output of desired chemical products.
Veronica Maria Rodege Gogola Kolling, Ane Fernanda Beraldi Zeidler, Lucas Pedersen Parizzi
Filed: 6 Apr 20
Utility
Open Cell Polymer Foam Composition with Tunable Tortuosity and Method of Making the Same
31 Aug 23
A polymer composition including a crosslinkable thermoplastic matrix, a crosslinking agent, a blowing agent, and at least one cell opener is provided.
Cristina Saiz-Arroyo, Miguel Angel Rodriguez-Perez, Patricia Torres-Regalado, Javier García-Gonzalez
Filed: 28 Feb 23
Utility
Proplylene-based copolymer product
15 Aug 23
Heterophasic polypropylene copolymer compositions and methods of making the same include a matrix phase of a random polypropylene-based copolymer; and an elastomeric rubber phase dispersed in the matrix phase, wherein the elastomeric rubber phase includes propylene and one or more comonomers and has a viscosity index ratio, relative to a viscosity index of the random polypropylene-based copolymer, that ranges from 0.3 to 1.1; and wherein an average particle size of the dispersed elastomeric rubber phase is less than 300 nm.
Tadeu Mezacasa Forest, Gustavo Gori Lusa
Filed: 13 May 20