Patents by Inventor Carmelo Declet Perez
Carmelo Declet Perez 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: 12215214Abstract: The polymer blend includes at least 90% by weight low density polyethylene (LDPE) polymer and from 1% to 10% by weight acid copolymer based on the total weight of the polymer blend. In the polymer blend, the LDPE polymer has a melt index (I? 2 #191) from 2 g/10 min to 8 g/10 min as determined in accordance with ASTM D1238, and a molecular weight distribution from 5 to 10.5. In the polymer blend, the acid copolymer is a polymerized reaction product of: at least 60% by weight ethylene, based on the total weight of the monomers present in the ethylene acid copolymer; from 1% to 20% by weight monocarboxylic acid monomer, based on the total weight of the monomers present in the ethylene acid copolymer; and from 0 to 20% by weight alkyl acrylate monomer, based on the total weight of the monomers present in the ethylene acid copolymer.Type: GrantFiled: July 27, 2020Date of Patent: February 4, 2025Assignee: Dow Global Technologies LLCInventors: Yifan Y. Dong, Jong Young Lee, Barry A. Morris, Teresa P. Karjala, Jianping Pan, Guihong Liao, I-Hwa Lee, Carmelo Declet Perez, Michael B. Biscoglio
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Publication number: 20240376297Abstract: Embodiments of the present disclosure are directed to post-consumer recycled (PCR) resin formulations comprising: PCR resin comprising a blend of polyethylene recovered from post-consumer material, pre-consumer material, or combinations thereof; and virgin polyethylene resin formulation, wherein the virgin polyethylene resin formulation comprises: a density from 0.910 to 0.950 g/cc, an improved comonomer content distribution (iCCD) wt. fraction greater than 30 wt. % at a temperature range of 35 to 90° C., and an iCCD wt. fraction greater than 8 wt. % at a temperature range of 99 to 115° C. The PCR resin formulation comprises an overall density of from 0.910 to 0.930 g/cc; an iCCD second elution peak occurring at a temperature greater than 99° C.; an iCCD wt. fraction greater than 6 wt. % at a temperature range of 99 to 115° C.; and an iCCD wt. fraction greater than 60 wt. % at a temperature range of 35 to 90° C.Type: ApplicationFiled: October 11, 2022Publication date: November 14, 2024Applicant: Dow Global Technologies LLCInventors: Akanksha Garg, Yongchao Zeng, Andrew T. Heitsch, Christopher M. Thurber, Carmelo Declet Perez, Jacquelyn A. DeGroot, Jin Wang, Mridula Kapur, Amit K. Chaudhary
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Patent number: 11891463Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, of Structure 1, as described herein.Type: GrantFiled: June 26, 2019Date of Patent: February 6, 2024Assignee: Dow Global Technologies LLCInventors: John O. Osby, Hayley A. Brown, Mehmet Demirors, Carmelo Declet Perez
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Patent number: 11746222Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises a copolymer comprising ethylene and at least one of methyl acrylate and ethyl acrylate having an acrylate content of 5 to 40 weight percent based on the weight of the copolymer and having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene methyl acrylate copolymer and ethylene ethyl acrylate copolymer comprises 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 55 weight percent of the blend based on the total weight of the blend.Type: GrantFiled: November 17, 2017Date of Patent: September 5, 2023Assignee: Dow Global Technologies LLCInventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Hayley A. Brown
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Patent number: 11613636Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures including one or more layers formed from such blends. In one aspect, a polymer blend includes a copolymer including ethylene and at least one of acrylic acid and methacrylic acid having an acid content greater than 4 and up to 25 weight percent based on the weight of the copolymer and having a melt index (I.sub.2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene acrylic acid copolymer and ethylene methacrylic acid copolymer includes 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm.sup.3 or more and having a melt index (I.sub.2) of 20 g/10 minutes or less, wherein the polyolefin includes 1 to 55 weight percent of the blend based on the total weight of the blend.Type: GrantFiled: November 18, 2016Date of Patent: March 28, 2023Assignee: Dow Global Technologies LLCInventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Michael B. Biscoglio, John A. Naumovitz
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Publication number: 20220267578Abstract: The polymer blend includes at least 90% by weight low density polyethylene (LDPE) polymer and from 1% to 10% by weight acid copolymer based on the total weight of the polymer blend. In the polymer blend, the LDPE polymer has a melt index (I? 2#191) from 2 g/10 min to 8 g/10 min as determined in accordance with ASTM D1238, and a molecular weight distribution from 5 to 10.5. In the polymer blend, the acid copolymer is a polymerized reaction product of: at least 60% by weight ethylene, based on the total weight of the monomers present in the ethylene acid copolymer; from 1% to 20% by weight monocarboxylic acid monomer, based on the total weight of the monomers present in the ethylene acid copolymer; and from 0 to 20% by weight alkyl acrylate monomer, based on the total weight of the monomers present in the ethylene acid copolymer.Type: ApplicationFiled: July 27, 2020Publication date: August 25, 2022Applicant: Dow Global Technologies LLCInventors: Yifan Y. Dong, Jong Young Lee, Barry A. Morris, Teresa P. Karjala, Jianping Pan, Guihong Liao, I-Hwa Lee, Carmelo Declet Perez, Michael B. Biscoglio
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Patent number: 11384228Abstract: Embodiments of thermoformed monolayer or multilayer films are provided, wherein the thermoformed monolayer multilayer films comprise a first composition comprising at least one ethylene-based polymer, wherein the first composition comprises a Molecular Weighted Comonomer Distribution Index (MWCDI) value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0?1.2×log (I2).Type: GrantFiled: September 19, 2018Date of Patent: July 12, 2022Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Maria Laura Perez Muñoz, João Gargalaka, Jr., Nicolas Cardoso Mazzola, Gianna Buaszczyk, Carmelo Declet Perez, Sydney E. Hansen
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Patent number: 11230650Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises an ionomer of a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ionomer comprises 50 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 50 weight percent of the blend based on the total weight of the blend, wherein the polymer blend meets the following equation: 3.5<2.76?60*I2(PO)+308*RVR+0.023*A<4.Type: GrantFiled: November 17, 2017Date of Patent: January 25, 2022Assignee: Dow Global Technologies LLCInventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Hayley A. Brown
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Publication number: 20220017666Abstract: The present disclosure provides a polymer composition. In an embodiment, an ethylene-based polymer composition is provided and is formed by high pressure (greater than or equal to 100 MPa), free-radical polymerization, by reacting: ethylene monomer and a mixture of hydrocarbon-based molecules, with each hydrocarbon-based molecule comprising three or more terminal alkene groups.Type: ApplicationFiled: November 26, 2019Publication date: January 20, 2022Inventors: Hayley A. Brown, Carmelo Declet Perez, John O. Osby, Sean W. Ewart, Sarat Munjal, Christopher R. Eddy, Mehmet Demirors, Jonathan D. Mendenhall, Ivan A. Konstantinov, Arkady L. Krasovskiy
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Publication number: 20210261702Abstract: An ethylene-based polymer formed from reacting at least the following: ethylene and at least one asymmetrical polyene, of Structure 1, as described herein.Type: ApplicationFiled: June 26, 2019Publication date: August 26, 2021Inventors: John O. Osby, Hayley A. Brown, Mehmet Demirors, Carmelo Declet Perez
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Patent number: 10815321Abstract: A process for producing an ethylene-based polymer comprises polymerizing, by the presence of at least one free-radical initiator and using a high pressure tubular polymerization process, a reaction mixture containing ethylene and at least one CTA system comprising one or more CTA components to produce the ethylene-based polymer. The free-radical initiator is dissolved in a solvent comprising a saturated hydrocarbon to form an initiator solution which is added to the polymerization using an initiator feed line to an initiator injection pump. At least 50 wt % of the solvent has i) a dry point of less than or equal to 160° C. and ii) an initial boiling point of greater than or equal to 100° C. The polymerization process has a ratio of inlet pressure to first peak temperature of less than or equal to 9 Bar/° C.Type: GrantFiled: April 21, 2017Date of Patent: October 27, 2020Assignee: Dow Global Technologies LLCInventors: Cornelis F J Den Doelder, Stefan Hinrichs, Eva-Maria Kupsch, Otto J. Berbee, Rajesh P. Paradkar, Bernard A. Fehr, Carmelo Declet Perez
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Publication number: 20200270433Abstract: Embodiments of thermoformed monolayer or multilayer films are provided, wherein the thermoformed monolayer multilayer films comprise a first composition comprising at least one ethylene-based polymer, wherein the first composition comprises a Molecular Weighted Comonomer Distribution Index (MWCDI) value greater than 0.9, and a melt index ratio (I10/I2) that meets the following equation: I10/I2?7.0-1.2×log (I2).Type: ApplicationFiled: September 19, 2018Publication date: August 27, 2020Applicants: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Maria Laura Perez Muñoz, João Gargalaka, Jr., Nicolas Cardoso Mazzola, Gianna Buaszczyk, Carmelo Declet Perez, Sydney E. Hansen
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Publication number: 20200087492Abstract: A process for producing a composition comprising A) an ethylene-based polymer that has a density greater than, or equal to, 0.940 g/cc, and B) an ethylene homopolymer formed by polymerizing a reaction mixture comprising ethylene, using a free-radical, high pressure polymerization process includes adding component (A) to a molten stream of component (B) after component (B) exits the separator and before component (B) is solidified in the pelletizer. A polymerization configuration for producing the composition includes at least one reactor, at least one separator, at least one pelletizer, and a device used to feed component (A), in the molten state, to a molten stream of component (B) before the pelletizer. The composition has a ratio of the melt strength of the composition to the melt strength of component (B) is greater than or equal to 1.04 and a density of greater than 0.920 g/cc.Type: ApplicationFiled: November 29, 2017Publication date: March 19, 2020Inventors: Cornelis F.J. Den Doelder, Carmelo Declet Perez, Otto J. Berbee, Hayley A. Brown
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Publication number: 20190292358Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises a copolymer comprising ethylene and at least one of methyl acrylate and ethyl acrylate having an acrylate content of 5 to 40 weight percent based on the weight of the copolymer and having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene methyl acrylate copolymer and ethylene ethyl acrylate copolymer comprises 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 55 weight percent of the blend based on the total weight of the blend.Type: ApplicationFiled: November 17, 2017Publication date: September 26, 2019Inventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Hayley A. Brown
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Publication number: 20190292423Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises an ionomer of a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ionomer comprises 50 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 50 weight percent of the blend based on the total weight of the blend, wherein the polymer blend meets the following equation: 3.5<2.76-60*I2(PO+308*RVR+0.023*A<4.Type: ApplicationFiled: November 17, 2017Publication date: September 26, 2019Inventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Hayley A. Brown
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Publication number: 20190135956Abstract: A process for producing an ethylene-based polymer comprises polymerizing, by the presence of at least one free-radical initiator and using a high pressure tubular polymerization process, a reaction mixture containing ethylene and at least one CTA system comprising one or more CTA components to produce the ethylene-based polymer. The free-radical initiator is dissolved in a solvent comprising a saturated hydrocarbon to form an initiator solution which is added to the polymerization using an initiator feed line to an initiator injection pump. At least 50 wt % of the solvent has i) a dry point of less than or equal to 160° C. and ii) an initial boiling point of greater than or equal to 100° C. The polymerization process has a ratio of inlet pressure to first peak temperature of less than or equal to 9 Bar/° C.Type: ApplicationFiled: April 21, 2017Publication date: May 9, 2019Applicant: Dow Global Technologies LLCInventors: Cornelis FJ DEN DOELDER, Stefan HINRICHS, Eva-Maria KUPSCH, Otto J. BERBEE, Rajesh P. PARADKAR, Bernard A. FEHR, Carmelo Declet PEREZ
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Publication number: 20180304602Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having an acid content greater than 4 and up to 25 weight percent based on the weight of the copolymer and having a melt index (I2) of 1 to 60 g/10 minutes, wherein the total amount of ethylene acrylic acid copolymer and ethylene methacrylic acid copolymer comprises 45 to 99 weight percent of the blend based on the total weight of the blend, and a polyolefin having a density of 0.870 g/cm3 or more and having a melt index (I2) of 20 g/10 minutes or less, wherein the polyolefin comprises 1 to 55 weight percent of the blend based on the total weight of the blend.Type: ApplicationFiled: November 18, 2016Publication date: October 25, 2018Inventors: Carmelo Declet Perez, Brian W. Walther, James L. Cooper, Michael B. Biscoglio, John A. Naumovitz