Patents by Inventor Adam Chojecki
Adam Chojecki 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: 20240351004Abstract: An oxidative dehydrogenation catalyst having: a structure having a formula MovVwNbyBizOx, where v is 1, w is from 0.1 to 0.5, y is from 0.001 to 0.3, z is from 0.01 to 0.3, and x is the oxygen content required to charge-balance the structure. The oxidative dehydrogenation catalyst has a Pba2-32 space group, characterized by reflections determined with Cu—K? X-ray diffraction (XRD) as follows.Type: ApplicationFiled: August 17, 2022Publication date: October 24, 2024Applicant: Dow Global Technologies LLCInventors: Glenn Pollefeyt, Kevin Blann, Daniela Ferrari, Alexey Kirilin, Adam Chojecki, Cheng L. Chung, Andrzej Malek
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Publication number: 20240352341Abstract: A method for converting alkanes to olefins includes contacting a feed stream comprising alkanes with an oxidative dehydrogenation that does not comprise tellurium catalyst in a reaction zone and dehydrogenating the alkanes without a co-feed of oxygen to yield a product stream having olefins. The oxidative dehydrogenation catalyst has the formula: MovVwNbyAzOx, where v is 1.0, w is from 0.1 to 0.5, y is from 0.001 to 0.3, A is Bi, Sb, Pr, or mixtures thereof, z is from 0.01 to 0.3, and x charge-balances the structure. The oxidative dehydrogenation catalyst has a crystallographic structure with Pba2-32 space group, characterized by reflections determined with Cu-K? X-ray diffraction (XRD) as follows.Type: ApplicationFiled: August 17, 2022Publication date: October 24, 2024Applicant: Dow Global Technologies LLCInventors: Daniela Ferrari, Barry B. Fish, Kevin Blann, Glenn Pollefeyt, Cheng L. Chung, Manish Sharma, Alexey Kirilin, Adam Chojecki, Andrzej Malek
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Patent number: 12030036Abstract: A method for preparing C2 to C5 paraffins includes introducing a feed stream including hydrogen gas and a carbon-containing gas selected from carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor. Converting the feed stream into a product stream including C2 to C5 paraffins in the presence of a hybrid catalyst. The hybrid catalyst includes a microporous catalyst component; and a metal oxide catalyst component selected from (A) a bulk material consisting of gallium oxide, (B) gallium oxide present on a titanium dioxide support material, and (C) a mixture of gallium oxide and at least one promoter present on a support material selected from Group 4 of the IUPAC periodic table of elements.Type: GrantFiled: December 16, 2019Date of Patent: July 9, 2024Assignee: Dow Global Technologies LLCInventors: Alexey Kirilin, Adam Chojecki, Glenn Pollefeyt, Davy L. S. Nieskens, Kyle C. Andrews, Vera P. Santos Castro, Joseph F. DeWilde, David F. Yancey, Andrzej Malek
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Patent number: 11986799Abstract: A process for preparing C2 to C4 olefins includes introducing a feed stream comprising hydrogen gas and a carbon-containing gas selected from carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor. The feed stream is converted into a product stream including C2 to C4 olefins in the reaction zone in the presence of the hybrid catalyst. The hybrid catalyst includes a metal oxide catalyst component comprising gallium oxide and phase pure zirconia, and a microporous catalyst component.Type: GrantFiled: December 16, 2019Date of Patent: May 21, 2024Assignee: Dow Global Technologies LLLCInventors: Adam Chojecki, Alexey Kirilin, Andrzej Malek, Joseph F. DeWilde, Vera P. Santos Castro, David F. Yancey, Kyle C. Andrews
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Patent number: 11884605Abstract: A hybrid catalyst including a metal oxide catalyst component comprising chromium, zinc, and at least one additional metal selected from the group consisting of aluminum and gallium, and a microporous catalyst component that is a molecular sieve having 8-MR pore openings. The metal oxide catalyst component includes anatomic ratio of chromium:zinc (Cr:Zn) from 0.35 to 1.00, and the at least one additional metal is present in an amount from 25.0 at % to 40.0 at %. A process for preparing C2 and C3 olefins comprising: a) introducing a feed stream comprising hydrogen gas and a carbon-containing gas selected from the group consisting of carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor; and b) converting the feed stream into a product stream comprising C2 and C3 olefins in the reaction zone in the presence of said hybrid catalyst.Type: GrantFiled: June 20, 2019Date of Patent: January 30, 2024Assignee: Dow Global Technologies LLCInventors: Glenn Pollefeyt, Davy L. S. Nieskens, Vera P. Santos Castro, Alexey Kirilin, Adam Chojecki, David Yancey, Andrzej Malek
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Publication number: 20230256424Abstract: A process for preparing C2 to C3 hydrocarbons may include introducing a feed stream including hydrogen gas and a carbon-containing gas comprising carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor, and converting the feed stream into a product stream comprising C2 to C3 hydrocarbons in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst may include a metal oxide catalyst component and a microporous catalyst component comprising 8-MR pore openings and may be derived from a natural mineral, the product stream comprises a combined C2 and C3 selectivity greater than 40 carbon mol%.Type: ApplicationFiled: June 18, 2021Publication date: August 17, 2023Applicant: Dow Global Technologies LLCInventors: Alexey Kirilin, Dean M. Millar, Adam Chojecki, Joseph F. DeWilde, Glenn Pollefeyt, Davy L.S. Nieskens, Andrzej Malek
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Publication number: 20230234899Abstract: A process for preparing C2 to C3 hydrocarbons may include introducing a feed stream including hydrogen gas and a carbon-containing gas comprising carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor, and converting the feed stream into a product stream comprising C2 to C3 hydrocarbons in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst may include a metal oxide catalyst component and a microporous catalyst component comprising 8-MR pore openings less than or equal to 5.1 A and a cage defining ring size less than or equal to 7.45 A, where a C2/C3 carbon molar ratio of the product stream is greater than or equal to 0.7.Type: ApplicationFiled: June 18, 2021Publication date: July 27, 2023Applicant: Dow Global Technologies LLCInventors: Alexey Kirilin, Dean M. Millar, Adam Chojecki, Joseph F. DeWilde, Glenn Pollefeyt, Davy L.S. Nieskens, Andrzej Malek
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Publication number: 20230062065Abstract: A process for preparing C2 to C4 olefins includes introducing a feed stream of hydrogen gas and a carbon-containing gas into a reaction zone of a reactor and converting the feed stream into a product stream including C2 to C4 olefins in the reaction zone in the presence of a hybrid catalyst and in a non-oxidative atmosphere. The hybrid catalyst includes a metal oxide catalyst component comprising gallium oxide and zirconia, and a microporous catalyst component having an 8 membered ring structure. The process also includes periodically introducing an oxidative atmosphere into the reaction zone.Type: ApplicationFiled: December 14, 2020Publication date: March 2, 2023Applicant: Dow Global Technologies LLCInventors: Joseph F. DEWILDE, Adam CHOJECKI, Alexey KIRILIN, Ewa A. TOCHA-BIELAK, David F. Yancey, Glenn Pollefeyt, Davy L.S. NIESKENS, Andrzej MALEK
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Publication number: 20230052682Abstract: A process for preparing C2 to C4 hydrocarbons includes introducing a feed stream into a reaction zone of a reactor, the feed stream comprising hydrogen gas and carbon monoxide. An additional stream is introduced into the reaction zone of the reactor, the additional stream comprising carbon dioxide. A combined stream that includes the feed stream and the additional stream is converted into a product stream comprising C2 to C4 hydrocarbons in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst includes a mixed metal oxide catalyst component, and a microporous catalyst component. The process operates at a gas hourly space velocity in excess of 2500 hr-1 and effectively yields a net carbon dioxide selectivity of less than 5.0% and a productivity of C2-C4 hydrocarbons greater than 75 g hydrocarbons per kilogram of catalyst per hour.Type: ApplicationFiled: December 2, 2020Publication date: February 16, 2023Applicant: Dow Global Technologies LLCInventors: Glenn Pollefeyt, Davy L.S. Nieskens, Alexey Kirilin, Adam Chojecki, Joseph F. Dewilde, Barry B. Fish, Andrzej Malek
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Patent number: 11548835Abstract: A process for preparing C2 to C5 olefins includes introducing a feed stream comprising hydrogen and at least one carbon-containing component selected from the group consisting of CO, CO2, and mixtures thereof into a reaction zone. The feed stream is contacted with a hybrid catalyst in the reaction zone, and a product stream is formed that exits the reaction zone and includes C2 to C5 olefins. The hybrid catalyst includes a methanol synthesis component and a solid microporous acid component that is selected from molecular sieves having 8-MR access and having a framework type selected from the group consisting of CHA, AEI, AFX, ERI, LTA, UFI, RTH, and combinations thereof. The methanol synthesis component comprises a metal oxide support and a metal catalyst. The metal oxide support includes titania, zirconia, hafnia or mixtures thereof, and the metal catalyst includes zinc.Type: GrantFiled: October 11, 2018Date of Patent: January 10, 2023Assignee: Dow Global TechnologiesInventors: Alexey Kirilin, Adam Chojecki, Kyle C. Andrews, Vera P. Santos Castro, Aysegul Ciftci Sandikci, Davy L. S. Nieskens, Peter E. Groenendijk, Andrzej Malek
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Patent number: 11446642Abstract: A hybrid catalyst including a metal oxide catalyst component comprising chromium, zinc, and at least one additional metal selected from the group consisting of iron and manganese, and a microporous catalyst component that is a molecular sieve having 8-MR pore openings. The at least one additional metal is present in an amount from 5.0 at % to 20.0 at %.Type: GrantFiled: June 20, 2019Date of Patent: September 20, 2022Assignee: Dow Global Technologies LLCInventors: Glenn Pollefeyt, Davy L. S. Nieskens, Vera P. Santos Castro, Alexey Kirilin, Adam Chojecki, David Yancey, Andrzej Malek
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Publication number: 20220220044Abstract: A method for preparing C2 to C5 paraffins including introducing a feed stream of hydrogen gas and a carbon-containing gas selected from carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor. Converting the feed stream into a product stream that includes C2 to C5 paraffins in the reaction zone in the presence of a hybrid catalyst. The hybrid catalyst including a microporous catalyst component; and a metal oxide catalyst component. The metal oxide catalyst component including a metal component present on a metal oxide support material. The metal oxide support material includes at least one oxide of a metal selected from Group 4 of the IUPAC periodic table of elements. The product stream has a C3/C2 carbon molar ratio greater than or equal to 4.0.Type: ApplicationFiled: May 7, 2020Publication date: July 14, 2022Applicant: Dow Global Technologies LLCInventors: Alexey Kirilin, Adam Chojecki, Joseph F. Dewilde, Glenn Pollefeyt, Davy L.S. Nieskens, Andrzej Malek
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Publication number: 20220088574Abstract: A method for preparing C2 to C5 paraffins includes introducing a feed stream including hydrogen gas and a carbon-containing gas selected from carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor. Converting the feed stream into a product stream including C2 to C5 paraffins in the presence of a hybrid catalyst. The hybrid catalyst includes a microporous catalyst component; and a metal oxide catalyst component selected from (A) a bulk material consisting of gallium oxide, (B) gallium oxide present on a titanium dioxide support material, and (C) a mixture of gallium oxide and at least one promoter present on a support material selected from Group 4 of the IUPAC periodic table of elements.Type: ApplicationFiled: December 16, 2019Publication date: March 24, 2022Applicant: Dow Global Technologies LLCInventors: Alexey Kirilin, Adam Chojecki, Glenn Pollefeyt, Davy L.S. Nieskens, Kyle C. Andrews, Vera P. Santos Castro, Joseph F. DeWilde, David F. Yancey, Andrzej Malek
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Publication number: 20220080392Abstract: A process for preparing C2 to C4 olefins includes introducing a feed stream comprising hydrogen gas and a carbon-containing gas selected from carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor. The feed stream is converted into a product stream including C2 to C4 olefins in the reaction zone in the presence of the hybrid catalyst. The hybrid catalyst includes a metal oxide catalyst component comprising gallium oxide and phase pure zirconia, and a microporous catalyst component.Type: ApplicationFiled: December 16, 2019Publication date: March 17, 2022Applicant: Dow Global Technologies LLCInventors: Adam Chojecki, Alexey Kirilin, Andrzej Malek, Joseph F. DeWilde, Vera P. Santos Castro, David F. Yancey, Kyle C. Andrews
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Publication number: 20210371355Abstract: A process for preparing C2 to C5 olefins includes introducing a feed stream comprising hydrogen and at least one carbon-containing component selected from the group consisting of CO, CO2, and mixtures thereof into a reaction zone. The feed stream is contacted with a hybrid catalyst in the reaction zone, and a product stream is formed that exits the reaction zone and includes C2 to C5 olefins. The hybrid catalyst includes a methanol synthesis component and a solid microporous acid component that is selected from molecular sieves having 8-MR access and having a framework type selected from the group consisting of CHA, AEI, AFX, ERI, LTA, UFI, RTH, and combinations thereof. The methanol synthesis component comprises a metal oxide support and a metal catalyst. The metal oxide support includes titania, zirconia, hafnia or mixtures thereof, and the metal catalyst includes zinc.Type: ApplicationFiled: October 11, 2018Publication date: December 2, 2021Applicant: Dow Global Technologies LLCInventors: Alexey Kirilin, Adam Chojecki, Kyle C. Andrews, Vera P. Santos Castro, Aysegul Ciftci Sandikci, Davy L.S. Nieskens, Peter E. Groenendijk, Andrzej Malek
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Publication number: 20210268482Abstract: A hybrid catalyst including a metal oxide catalyst component comprising chromium, zinc, and at least one additional metal selected from the group consisting of aluminum and gallium, and a microporous catalyst component that is a molecular sieve having 8-MR pore openings. The metal oxide catalyst component includes anatomic ratio of chromium:zinc (Cr:Zn) from 0.35 to 1.00, and the at least one additional metal is present in an amount from 25.0 at % to 40.0 at %. A process for preparing C2 and C3 olefins comprising: a) introducing a feed stream comprising hydrogen gas and a carbon-containing gas selected from the group consisting of carbon monoxide, carbon dioxide, and mixtures thereof into a reaction zone of a reactor; and b) converting the feed stream into a product stream comprising C2 and C3 olefins in the reaction zone in the presence of said hybrid catalyst.Type: ApplicationFiled: June 20, 2019Publication date: September 2, 2021Applicant: Dow Global Technologies LLCInventors: Glenn Pollefeyt, Davy L.S. Nieskens, Vera P. Santos Castro, Alexey Kirilin, Adam Chojecki, David Yancey, Andrzej Malek
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Publication number: 20210268484Abstract: A hybrid catalyst including a metal oxide catalyst component comprising chromium, zinc, and at least one additional metal selected from the group consisting of iron and manganese, and a microporous catalyst component that is a molecular sieve having 8-MR pore openings. The at least one additional metal is present in an amount from 5.0 at % to 20.0 at %.Type: ApplicationFiled: June 20, 2019Publication date: September 2, 2021Applicant: Dow Global Technologies LLCInventors: Glenn Pollefeyt, Davy L.S. Nieskens, Vera P. Santos Castro, Alexey Kirilin, Adam Chojecki, David Yancey, Andrzej Malek
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Patent number: 9919981Abstract: A feedstream comprising hydrogen and a gas selected from carbon monoxide, carbon dioxide, or a combination thereof is converted to a product mixture containing a combination of saturated and unsaturated two carbon atom and three carbon atom hydrocarbons via contact with a mixed catalyst comprising a mixed metal oxide catalyst selected from a copper oxide, copper oxide/zinc oxide, copper oxide/alumina, copper oxide/zinc oxide/alumina catalyst, a zinc oxide/chromium oxide catalyst, or a combination thereof, in admixture with a molecular sieve catalyst having a CHA, AEI, AEL, AFI, BEA, or DDR framework type, or a combination of such molecular sieves. Exemplary molecular sieve catalysts include SAPO-34, SAPO-18, SAPO-5, and Beta. Advantages include reduced production of C1 hydrocarbons, C4 and higher hydrocarbons, or both; long catalyst lifetimes; desirable conversions; and desirable proportions of C2 and C3 paraffins.Type: GrantFiled: July 8, 2015Date of Patent: March 20, 2018Assignee: Dow Global Technologies LLCInventors: Adam Chojecki, Davy Nieskens, Thomas Davidian, Peter E. Groenendijk, Matthijs Ruitenbeek, Barry B. Fish, Max M. Tirtowidjojo, Garmt R. Meima
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Patent number: 9833774Abstract: Preparation of a catalyst suitable for use in Fischer-Tropsch Synthesis reactions using a two step process in which the steps may be performed in either order. In step a), impregnate an iron carboxylate metal organic framework selected from a group consisting of iron-1,3,5-benzenetricarboxylate (Fe-(BTC), Basolite™ F-300 and/or MIL-100 (Fe)), iron-1,4 benzenedicarboxylate (MIL-101(Fe)), iron fumarate (MIL-88 A (Fe)), iron-1,4 benzenedicarboxylate (MIL-53 (Fe)), iron-1,4 benzenedicarboxylate (MIL-68 (Fe)) or iron azobenzenetetracarboxylate (MIL-127 (Fe)) with a solution of a promoter element selected from alkali metals and alkaline earth metals. In step b) thermally decompose the iron carboxylate metal organic framework under an inert gaseous atmosphere to yield a catalyst that is a porous carbon matrix having embedded therein a plurality of discrete aliquots of iron carbide.Type: GrantFiled: May 14, 2015Date of Patent: December 5, 2017Assignee: Dow Global Technologies LLCInventors: Vera P. Santos Castro, Adam Chojecki, Garmt R. Meima, Adrianus Koeken, Matthijs Ruitenbeek, Thomas Davidian, Gascon Jorge, Michiel Makkee, Freek Kapteijn, Tim A. Wezendonk
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Publication number: 20170210679Abstract: A feedstream comprising hydrogen and a gas selected from carbon monoxide, carbon dioxide, or a combination thereof is converted to a product mixture containing a combination of saturated and unsaturated two carbon atom and three carbon atom hydrocarbons via contact with a mixed catalyst comprising a mixed metal oxide catalyst selected from a copper oxide, copper oxide/zinc oxide, copper oxide/alumina, copper oxide/zinc oxide/alumina catalyst, a zinc oxide/chromium oxide catalyst, or a combination thereof, in admixture with a molecular sieve catalyst having a CHA, AEI, AEL, AFI, BEA, or DDR framework type, or a combination of such molecular sieves. Exemplary molecular sieve catalysts include SAPO-34, SAPO-18, SAPO-5, and Beta. Advantages include reduced production of C1 hydrocarbons, C4 and higher hydrocarbons, or both; long catalyst lifetimes; desirable conversions; and desirable proportions of C2 and C3 paraffins.Type: ApplicationFiled: July 8, 2015Publication date: July 27, 2017Applicant: Dow Global Technologies LLCInventors: Adam CHOJECKI, Davy NIESKENS, Thomas DAVIDIAN, Peter E. GROENENDIJK, Matthijs RUITENBEEK, Barry B. FISH, Max M. TIRTOWIDJOJO, Garmt R. MEIMA