Patents by Inventor Giancarlos Delevati
Giancarlos Delevati 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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Patent number: 11780979Abstract: 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.Type: GrantFiled: September 11, 2020Date of Patent: October 10, 2023Assignee: Braskem S.A.Inventor: Giancarlos Delevati
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Patent number: 11746197Abstract: 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.Type: GrantFiled: October 15, 2020Date of Patent: September 5, 2023Assignee: Braskem S.A.Inventors: 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
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Patent number: 11472950Abstract: Compositions may include an EVA copolymer produced from ethylene, vinyl acetate, and one or more polar comonomers, wherein at least one of the one or more polar comonomers include an amine moiety. Methods may include preparing a polymer composition by adding ethylene, vinyl acetate and one or more polar comonomers to a reactor or extruder, wherein at least one of the one or more polar comonomers include an amine moiety; and reacting the ethylene, vinyl acetate and one or more comonomers to produce the polymer composition. Compositions may include an adhesive film composition that include at least one layer including a polymer produced from ethylene, vinyl acetate, and one or more polar comonomers, wherein at least one of the one or more polar comonomers include an amine moiety.Type: GrantFiled: December 21, 2017Date of Patent: October 18, 2022Assignee: Braskem S.A.Inventors: Ana Paula Rodrigues Camilo, Camilo Delfino, Gislene Zehetmeyer, Giancarlos Delevati, Mauro Alfredo Soto Oviedo
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Publication number: 20220306846Abstract: A polymer composition may include an elastomeric ethylene-vinyl acetate, in which at least a portion of ethylene from the elastomeric ethylene-vinyl acetate is obtained from a renewable source of carbon. A curable polymer composition, an expandable polymer composition, articles, cured articles, and expanded articles may include or be formed from such polymer composition. A process for producing a polymer composition may include polymerizing ethylene at least partially obtained from a renewable source of carbon with vinyl acetate to produce an ethylene vinyl acetate copolymer; and mixing the ethylene-vinyl acetate copolymer with an elastomeric polyolefin to produce an elastomeric ethylene-vinyl acetate.Type: ApplicationFiled: June 13, 2022Publication date: September 29, 2022Applicant: Braskem S.A.Inventors: Giancarlos Delevati, Mauro Alfredo Soto Oviedo, Fernanda Munhoz Anderle, Omar Wandir Renck, José Augusto Esteves Viveiro
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Patent number: 11453766Abstract: 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. Methods include mixing an elastomeric EVA composition with polypropylene, and extruding the mixture of elastomeric EVA composition and polypropylene.Type: GrantFiled: November 13, 2019Date of Patent: September 27, 2022Assignee: Braskem S.A.Inventor: Giancarlos Delevati
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Patent number: 11447621Abstract: Compositions may include a polymer composition prepared from an ethylene vinyl acetate copolymer, a rubber, and a plasticizer. Compositions may further comprise other components, such as a curing agent and a blowing agent. Articles may include a polymer composition prepared from an ethylene vinyl acetate copolymer, a rubber, and a plasticizer. Methods may include mixing an ethylene vinyl acetate copolymer, a rubber, and a plasticizer; and extruding the mixture thereof.Type: GrantFiled: June 13, 2019Date of Patent: September 20, 2022Assignee: Braskem S.A.Inventors: Giancarlos Delevati, Cassia Ruoso
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Publication number: 20220213357Abstract: A hot melt adhesive composition may include a biobased ethylene vinyl acetate (EVA) copolymer comprising a biobased carbon content as determined by ASTM D6866-18 Method B of 5% to 95%. A hot melt adhesive composition may also include a biobased ethylene vinyl acetate (EVA) copolymer at an amount ranging from 10 to 80 wt % of the hot melt adhesive composition, wherein the biobased EVA comprises a melt index (I2) as determined by ASTM D1238 in the range of 1.5 to 50 g/10 min measured with a load of 2.16 kg at 190° C.; and a tackfier at an amount ranging from 30 to 70 wt % of the hot melt adhesive composition.Type: ApplicationFiled: May 20, 2020Publication date: July 7, 2022Applicant: Braskem S.A.Inventor: Giancarlos Delevati
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Publication number: 20220185922Abstract: 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: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Applicant: Braskem S.A.Inventors: Giancarlos Delevati, Mauro Alfredo Soto Oviedo, Fernanda Munhoz Anderle, Omar Wandir Renck, José Augusto Esteves Viveiro
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Publication number: 20220106472Abstract: 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: ApplicationFiled: October 7, 2021Publication date: April 7, 2022Applicant: Braskem S.A.Inventors: Giancarlos Delevati, Juliani Cappra Da Silva
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Publication number: 20220106454Abstract: 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: ApplicationFiled: October 1, 2021Publication date: April 7, 2022Applicant: Braskem S.A.Inventors: Giancarlos Delevati, Robison Passos
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Patent number: 11267959Abstract: 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: GrantFiled: April 16, 2019Date of Patent: March 8, 2022Assignee: Braskem S.A.Inventors: Giancarlos Delevati, Mauro Alfredo Soto Oviedo, Fernanda Munhoz Anderle, Omar Wandir Renck, José Augusto Esteves Viveiro
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Patent number: 11015035Abstract: 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%. Methods may include preparing a polymer composition by combining one or more foamable polymers and one or more ionomeric additives in a mixer to produce the polymer composition; and foaming the polymer composition to generate a polymer foam exhibiting shrinkage as determined at 70° C.*1 h according to the PFI method of between 0.1 and 3.5%.Type: GrantFiled: November 5, 2018Date of Patent: May 25, 2021Assignee: Braskem S.A.Inventors: Ana Paula Rodrigues Camilo, Giancarlos Delevati, Gislene Zehetmeyer, Mauro Alfredo Soto Oviedo
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Publication number: 20210139681Abstract: 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.Type: ApplicationFiled: November 13, 2019Publication date: May 13, 2021Applicant: Braskem S.A.Inventor: Giancarlos Delevati
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Publication number: 20210108039Abstract: 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.Type: ApplicationFiled: October 15, 2020Publication date: April 15, 2021Applicant: Braskem S.A.Inventors: 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
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Publication number: 20210070956Abstract: 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.Type: ApplicationFiled: September 11, 2020Publication date: March 11, 2021Applicant: Braskem S.A.Inventor: Giancarlos Delevati
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Publication number: 20200407539Abstract: Polymer compositions may include an elastomeric ethylene-vinyl acetate (EVA) composition; and one or more selected from base polymer, filler, peroxide agent, blowing agent, and blowing accelerator. Methods may include blending a polymer composition from a mixture of an elastomeric ethylene-vinyl acetate (EVA) composition, and one or more of base polymer, filler, peroxide agent, blowing agent, and blowing accelerator, wherein the elastomeric EVA composition has a melt flow index (MFI) at 190° C. and 2.16 kg as determined according to ASTM D1238 in the range of 6.1 g/10 min and 45 g/10 min.Type: ApplicationFiled: December 4, 2018Publication date: December 31, 2020Applicant: Braskem S.A.Inventor: Giancarlos Delevati
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Publication number: 20200263059Abstract: Hot melt adhesive film compositions may include a biobased ethylene vinyl acetate (EVA) copolymer containing a biobased carbon content as determined by ASTM D6866 of 5% to 95%; and a melt index (I2) as determined by ASTM D1238 in the range of 1.5 g/10 min to 50 g/10 min measured with a load of 2.16 kg at 190° C. Methods may include a process for bonding a substrate to a similar or dissimilar substrate that includes applying to at least one substrate a hot melt adhesive film composition and bonding said substrate together, said hot melt adhesive film composition containing a biobased ethylene vinyl acetate copolymer.Type: ApplicationFiled: February 14, 2020Publication date: August 20, 2020Applicant: Braskem S.A.Inventor: Giancarlos Delevati
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Publication number: 20190382566Abstract: Compositions may include a polymer composition prepared from an ethylene vinyl acetate copolymer, a rubber, and a plasticizer. Compositions may further comprise other components, such as a curing agent and a blowing agent. Articles may include a polymer composition prepared from an ethylene vinyl acetate copolymer, a rubber, and a plasticizer. Methods may include mixing an ethylene vinyl acetate copolymer, a rubber, and a plasticizer; and extruding the mixture thereof.Type: ApplicationFiled: June 13, 2019Publication date: December 19, 2019Applicant: Braskem S.A.Inventors: Giancarlos Delevati, Cassia Ruoso, Denilson Lopes Monteacutti
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Publication number: 20190315951Abstract: Compositions may include an EVA copolymer produced from ethylene, vinyl acetate, and one or more polar comonomers, wherein at least one of the one or more polar comonomers include an amine moiety. Methods may include preparing a polymer composition by adding ethylene, vinyl acetate and one or more polar comonomers to a reactor or extruder, wherein at least one of the one or more polar comonomers include an amine moiety; and reacting the ethylene, vinyl acetate and one or more comonomers to produce the polymer composition. Compositions may include an adhesive film composition that include at least one layer including a polymer produced from ethylene, vinyl acetate, and one or more polar comonomers, wherein at least one of the one or more polar comonomers include an amine moiety.Type: ApplicationFiled: December 21, 2017Publication date: October 17, 2019Applicant: Braskem S.A.Inventors: Ana Paula Rodrigues Camilo, Camilo Delfino, Gislene Zehetmeyer, Giancarlos Delevati, Mauro Alfredo Soto Oviedo
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Publication number: 20190315949Abstract: A polymer composition may include an elastomeric ethylene-vinyl acetate, in which at least a portion of ethylene from the elastomeric ethylene-vinyl acetate is obtained from a renewable source of carbon. A curable polymer composition, an expandable polymer composition, articles, cured articles, and expanded articles may include or be formed from such polymer composition. A process for producing a polymer composition may include polymerizing ethylene at least partially obtained from a renewable source of carbon with vinyl acetate to produce an ethylene vinyl acetate copolymer; and mixing the ethylene-vinyl acetate copolymer with an elastomeric polyolefin to produce an elastomeric ethylene-vinyl acetate.Type: ApplicationFiled: April 16, 2019Publication date: October 17, 2019Applicant: Braskem S.A.Inventors: Giancarlos Delevati, Mauro Alfredo Soto Oviedo, Fernanda Munhoz Anderle, Omar Wandir Renck, José Augusto Esteves Viveiro