Patents by Inventor Angela I. Padilla-Acevedo
Angela I. Padilla-Acevedo 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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Publication number: 20240124628Abstract: Embodiments of the present disclosure are directed towards bicyclic hafnium metallocenes having non-identical ligands and compositions including the bicyclic hafnium metallocenes having non-identical ligands. The bicyclic hafnium metallocene having non-identical ligands is represented by formula (I): ABMX2, where: A is a bicyclic structure; and B is a cyclopentadienyl; M is hafnium; and X is a leaving group, wherein the bicyclic structure comprises a ((C1-C6)alkyl)n-substituted Cp ring and a non-aromatic cyclic structure fused with the ((C1-C6) alkyl)n-substituted Cp ring such that the bicyclic structure includes 7 to 9 ring carbon atoms and wherein subscript n is 1, 2, or 3.Type: ApplicationFiled: February 8, 2022Publication date: April 18, 2024Applicant: Dow Global Technologies LLCInventors: Angela I. Padilla-Acevedo, Rhett A. Baillie, Roger L. Kuhlman, Mahsa McDougal, Tamara L. Brennan, David M. Pearson, Stephanie M. Whited
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Publication number: 20240116969Abstract: Embodiments of the present disclosure are directed towards hafnium metallocenes having nonidentical ligands, spray-dried compositions including those hafnium metallocenes, and methods utilizing spray-dried compositions including hafnium metallocene having nonidentical ligands.Type: ApplicationFiled: February 8, 2022Publication date: April 11, 2024Applicant: Dow Global Technologies LLCInventors: Rhett A. Baillie, Roger L. Kuhlman, Angela I. Padilla-Acevedo, Mahsa McDougal, Tamara L. Brennan, David M. Pearson, Stephanie M. Whited
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Patent number: 11685798Abstract: In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.Type: GrantFiled: July 18, 2019Date of Patent: June 27, 2023Assignee: Dow Global Technologies LLCInventors: Peter S. Martin, Yijian Lin, Angela I. Padilla-Acevedo, Roger L. Kuhlman, Shadid Askar, Mridula Kapur, Todd A. Hogan, Joel D. Wieliczko, Chuan C. He
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Publication number: 20230098987Abstract: Embodiments are directed towards a use of a supported gas-phase biphenylphenol polymerization catalyst to make a polymer via a gas-phase polymerization process, wherein the supported gas-phase biphenylphenol polymerization catalyst is made from a gas-phase biphenylphenol polymerization precatalyst of Formula I.Type: ApplicationFiled: December 17, 2020Publication date: March 30, 2023Applicant: Dow Global Technologies LLCInventors: Angela I. Padilla-Acevedo, Andrew J. Young, Roger L. Kuhlman, Susan Brown, Matthew E. Belowich, David R. Neithamer, Jerzy Klosin, David M. Pearson, Leslie E. O'Leary, Joseph F. DeWilde
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Publication number: 20220411546Abstract: Embodiments provide bimodal polymerization catalyst systems comprising metallocene olefin polymerization catalysts and biphenylphenol polymerization catalysts made from biphenylphenol polymerization precatalysts of Formula I.Type: ApplicationFiled: November 4, 2020Publication date: December 29, 2022Applicant: Dow Global Technologies LLCInventors: Andrew J. Young, Roger L. Kuhlman, Angela I. Padilla-Acevedo, John F. Szul
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Publication number: 20220403061Abstract: Embodiments are directed towards the use of a supported biphenylphenol polymerization catalyst made from a biphenylphenol polymerization precatalyst of Formula I via a gas-phase or slurry-phase polymerization process under gas-phase or slurry-phase polymerization conditions to make a polymer.Type: ApplicationFiled: November 4, 2020Publication date: December 22, 2022Applicant: Dow Global Technologies LLCInventors: Angela I. Padilla-Acevedo, Andrew J. Young, Roger L. Kuhlman, Ruth Figueroa, Susan Brown, Matthew E. Belowich, David R. Neithamer, Jerzy Klosin, David M. Pearson, Mari S. Rosen, Bethany M. Neilson, Johnathan E. DeLorbe, Leslie E. O'Leary
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Patent number: 11479573Abstract: A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cyclopentene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make the cyclic organic compound. Also, a method of synthesizing a ligand for a transition metal, and a related substituted ligand-metal complex and catalyst, from the unsubstituted or substituted cyclopentene and unsubstituted or substituted acrylic acid. Also, the cyclic organic compound, ligand, and substituted ligand-metal complex and catalyst synthesized thereby. Also a method of polymerizing an olefin with the catalyst to give a polyolefin, and the polyolefin made thereby.Type: GrantFiled: January 27, 2021Date of Patent: October 25, 2022Assignee: Univation Technologies, LLCInventors: Angela I. Padilla-Acevedo, Roger L. Kuhlman
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Patent number: 11377461Abstract: A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cycloheptene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make the cyclic organic compound. Also, a method of synthesizing a ligand for a transition metal, and a related substituted ligand-metal complex and catalyst, from the unsubstituted or substituted cycloheptene and unsubstituted or substituted acrylic acid. Also, the cyclic organic compound, ligand, and substituted ligand-metal complex and catalyst synthesized thereby. Also a method of polymerizing an olefin with the catalyst to give a polyolefin, and the polyolefin made thereby.Type: GrantFiled: January 25, 2021Date of Patent: July 5, 2022Assignee: UNIVATION TECHNOLOGIES, LLCInventors: Angela I. Padilla-Acevedo, Roger L. Kuhlman
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Patent number: 11299508Abstract: A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cyclopentene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make the cyclic organic compound. Also, a method of synthesizing a ligand for a transition metal, and a related substituted ligand-metal complex and catalyst, from the unsubstituted or substituted cyclopentene and unsubstituted or substituted acrylic acid. Also, the cyclic organic compound, ligand, and substituted ligand-metal complex and catalyst synthesized thereby. Also a method of polymerizing an olefin with the catalyst to give a polyolefin, and the polyolefin made thereby.Type: GrantFiled: September 19, 2018Date of Patent: April 12, 2022Assignee: Univation Technologies, LLCInventors: Angela I. Padilla-Acevedo, Roger L. Kuhlman
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Patent number: 11292757Abstract: A method comprising synthesizing a substituted cyclopentenone compound via reaction of a substituted cycloalkyl acrylate ester in the presence of phosphorous pentoxide/methanesulfonic acid reagent to make the substituted cyclopentenone compound.Type: GrantFiled: September 11, 2019Date of Patent: April 5, 2022Assignee: DOW GLOBAL TECHNOLOGIES LLCInventor: Angela I. Padilla-Acevedo
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Publication number: 20210380737Abstract: A bimodal ethylene-co-1-hexene copolymer composition consisting of a higher molecular weight component and a lower molecular weight component and, when in melted form at 190 degrees Celsius, is characterized by a melt property performance defined by a combination of melt index (5 kg), melt strength, and, optionally, shear thinning properties, and, when in solid form, is characterized by a slow crack growth property performance defined by a combination of strain hardening modulus and accelerated full-notch creep test performance. A pipe consisting of the bimodal ethylene-co-1-hexene copolymer composition. A method of synthesizing the bimodal ethylene-co-1-hexene copolymer composition. A method of making the pipe. A manufactured article, which is not a pipe, comprising the bimodal ethylene-co-1-hexene copolymer composition.Type: ApplicationFiled: September 10, 2019Publication date: December 9, 2021Inventors: Cliff R. Mure, Timothy R. Lynn, Roger L. Kuhlman, John F. Szul, Angela I. Padilla-Acevedo
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Publication number: 20210301049Abstract: In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.Type: ApplicationFiled: July 18, 2019Publication date: September 30, 2021Applicant: Dow Global Technologies LLCInventors: Peter S. Martin, Yijian Lin, Angela I. Padilla-Acevedo, Roger L. Kuhlman, Shadid Askar, Mridula Kapur, Todd A. Hogan, Joel D. Wieliczko, Chuan C. He
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Patent number: 11123688Abstract: The present invention relates to a dehydration composition and method of use thereof for drying gas streams, in particular natural gas streams, wherein the dehydration composition comprises (i) a glycol, (ii) an imidazole compound, and optionally (iii) one or more of an alkali metal carboxylate, an additional glycol different than (i), an alkanolamine, a phosphate acid, a salt of a phosphate acid, a borate acid, a salt of a borate acid, a sweetening agent, a low temperature viscosity improver, a corrosion inhibitor, an antifoaming agent, or mixtures thereof.Type: GrantFiled: April 20, 2017Date of Patent: September 21, 2021Assignee: Dow Global Technologies LLCInventors: Christophe R. Laroche, Eric J. Klinker, Sara B. Klamo, Angela I. Padilla-Acevedo, Ashwin R. Bharadwaj, Stephen W. King, Edward D. Daugs, Brian A. Jazdzewski
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Patent number: 11123726Abstract: Method of preparing a molecular catalyst from a mixture comprising a (C5-C7)alkane, a spray-dried alkylaluminoxane, and a molecular procatalyst. Molecular catalysts prepared by the method may be screened.Type: GrantFiled: September 26, 2017Date of Patent: September 21, 2021Assignee: UNIVATION TECHNOLOGIES, LLEInventors: Ian M. Munro, Roger L. Kuhlman, Angela I. Padilla-Acevedo
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Publication number: 20210221761Abstract: A method of synthesizing a substituted cyclopentadiene compound. The synthesis comprises a step of cyclizing, in the presence of a phosphorous pentoxide/methanesulfonic acid reagent, an alpha,beta-unsaturated carboxylic acid, cycloalkyl ester compound to make a substituted cyclopentenone compound, and converting the substituted cyclopentenone compound to the substituted cyclopentadiene compound. Also, a method of synthesizing a substituted metallocene compound comprising a metal-(substituted cyclopentadienyl ligand) complex, wherein the substituted cyclopentadienyl ligand is made from the substituted cyclopentadiene compound. A metal-(substituted cyclopentadienyl ligand) complex and substituted metallocene compound made by the method and a substituted metallocene catalyst made therefrom.Type: ApplicationFiled: September 11, 2019Publication date: July 22, 2021Inventor: Angela I. Padilla-Acevedo
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Patent number: 11059840Abstract: A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cyclohexene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make the cyclic organic compound. Also, a method of synthesizing a ligand for a transition metal, and a related substituted ligand-metal complex and catalyst, from the unsubstituted or substituted cyclohexene and unsubstituted or substituted acrylic acid. Also, the cyclic organic compound, ligand, and substituted ligand-metal complex and catalyst synthesized thereby. Also a method of polymerizing an olefin with the catalyst to give a polyolefin, and the polyolefin made thereby.Type: GrantFiled: September 19, 2018Date of Patent: July 13, 2021Assignee: Univation Technologies, LLCInventors: Angela I. Padilla-Acevedo, Roger L. Kuhlman
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Publication number: 20210206709Abstract: A method comprising synthesizing a substituted cyclopentenone compound via reaction of a substituted cycloalkyl acrylate ester in the presence of phosphorous pentoxide/methanesulfonic acid reagent to make the substituted cyclopentenone compound.Type: ApplicationFiled: September 11, 2019Publication date: July 8, 2021Inventor: Angela I. Padilla-Acevedo
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Publication number: 20210163518Abstract: A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cyclopentene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make the cyclic organic compound. Also, a method of synthesizing a ligand for a transition metal, and a related substituted ligand-metal complex and catalyst, from the unsubstituted or substituted cyclopentene and unsubstituted or substituted acrylic acid. Also, the cyclic organic compound, ligand, and substituted ligand-metal complex and catalyst synthesized thereby. Also a method of polymerizing an olefin with the catalyst to give a polyolefin, and the polyolefin made thereby.Type: ApplicationFiled: September 19, 2018Publication date: June 3, 2021Inventors: Angela I. Padilla-Acevedo, Roger L. Kuhlman
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Publication number: 20210147459Abstract: A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cyclopentene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make the cyclic organic compound. Also, a method of synthesizing a ligand for a transition metal, and a related substituted ligand-metal complex and catalyst, from the unsubstituted or substituted cyclopentene and unsubstituted or substituted acrylic acid. Also, the cyclic organic compound, ligand, and substituted ligand-metal complex and catalyst synthesized thereby. Also a method of polymerizing an olefin with the catalyst to give a polyolefin, and the polyolefin made thereby.Type: ApplicationFiled: January 27, 2021Publication date: May 20, 2021Inventors: Angela I. Padilla-Acevedo, Roger L. Kuhlman
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Publication number: 20210147458Abstract: A method comprising synthesizing a cyclic organic compound via reaction of an unsubstituted or substituted cycloheptene with an unsubstituted or substituted acrylic acid in the presence of phosphoric and/or sulfonic acid reagent to make the cyclic organic compound. Also, a method of synthesizing a ligand for a transition metal, and a related substituted ligand-metal complex and catalyst, from the unsubstituted or substituted cycloheptene and unsubstituted or substituted acrylic acid. Also, the cyclic organic compound, ligand, and substituted ligand-metal complex and catalyst synthesized thereby. Also a method of polymerizing an olefin with the catalyst to give a polyolefin, and the polyolefin made thereby.Type: ApplicationFiled: January 25, 2021Publication date: May 20, 2021Inventors: Angela I. Padilla-Acevedo, Roger L. Kuhlman