Patents by Inventor Aan Hendrik Klazinga
Aan Hendrik Klazinga 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: 20210053040Abstract: A hydrocarbon conversion catalyst composition which comprises ZSM-48 and/or EU-2 zeolite particles and refractory oxide binder essentially free of alumina in which the average aluminium concentration of the ZSM-48 and/or EU-2 zeolite particles is at least 1.3 times the aluminium concentration at the surface of the particles, processes for preparing such catalyst compositions and processes for converting hydrocarbon feedstock with the help of such compositions.Type: ApplicationFiled: November 6, 2020Publication date: February 25, 2021Inventors: László DOMOKOS, Laurent Georges HUVE, Hermanus JONGKIND, Aan Hendrik KLAZINGA, Marcello Stefano RIGUTTO
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Patent number: 10864506Abstract: A hydrocarbon conversion catalyst composition which comprises ZSM-48 and/or EU-2 zeolite particles and refractory oxide binder essentially free of alumina in which the average aluminium concentration of the ZSM-48 and/or EU-2 zeolite particles is at least 1.3 times the aluminium concentration at the surface of the particles, processes for preparing such catalyst compositions and processes for converting hydrocarbon feedstock with the help of such compositions.Type: GrantFiled: December 12, 2019Date of Patent: December 15, 2020Assignee: Shell Oil CompanyInventors: László Domokos, Laurent Georges Huve, Hermanus Jongkind, Aan Hendrik Klazinga, Marcello Stefano Rigutto
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Patent number: 10766022Abstract: A hydrocarbon conversion catalyst composition which comprises dealuminated ZSM-48 and/or EU-2 zeolite and a refractory oxide binder essentially free of alumina, processes for preparing such composition and processes for converting hydrocarbon feedstock with the help of such compositions.Type: GrantFiled: September 5, 2019Date of Patent: September 8, 2020Assignee: Shell Oil CompanyInventors: László Domokos, Laurent Georges Huve, Hermanus Jongkind, Aan Hendrik Klazinga, Marcello Stefano Rigutto
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Publication number: 20200129968Abstract: A hydrocarbon conversion catalyst composition which comprises ZSM-48 and/or EU-2 zeolite particles and refractory oxide binder essentially free of alumina in which the average aluminium concentration of the ZSM-48 and/or EU-2 zeolite particles is at least 1.3 times the aluminium concentration at the surface of the particles, processes for preparing such catalyst compositions and processes for converting hydrocarbon feedstock with the help of such compositions.Type: ApplicationFiled: December 12, 2019Publication date: April 30, 2020Inventors: László DOMOKOS, Laurent Georges HUVE, Hermanus JONGKIND, Aan Hendrik KLAZINGA, Marcello Stefano RIGUTTO
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Patent number: 10543479Abstract: A hydrocarbon conversion catalyst composition which comprises ZSM-48 and/or EU-2 zeolite particles and refractory oxide binder essentially free of alumina in which the average aluminium concentration of the ZSM-48 and/or EU-2 zeolite particles is at least 1.3 times the aluminium concentration at the surface of the particles, processes for preparing such catalyst compositions and processes for converting hydrocarbon feedstock with the help of such compositions.Type: GrantFiled: October 20, 2011Date of Patent: January 28, 2020Assignee: SHELL OIL COMPANYInventors: László Domokos, Laurent Georges Huve, Hermanus Jongkind, Aan Hendrik Klazinga, Marcello Stefano Rigutto
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Publication number: 20190388880Abstract: A hydrocarbon conversion catalyst composition which comprises dealuminated ZSM-48 and/or EU-2 zeolite and a refractory oxide binder essentially free of alumina, processes for preparing such composition and processes for converting hydrocarbon feedstock with the help of such compositions.Type: ApplicationFiled: September 5, 2019Publication date: December 26, 2019Inventors: László DOMOKOS, Laurent Georges HUVE, Hermanus JONGKIND, Aan Hendrik KLAZINGA, Marcello Stefano RIGUTTO
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Patent number: 10449525Abstract: A hydrocarbon conversion catalyst composition which comprises dealuminated ZSM-48 and/or EU-2 zeolite and a refractory oxide binder essentially free of alumina, processes for preparing such composition and processes for converting hydrocarbon feedstock with the help of such compositions.Type: GrantFiled: October 20, 2011Date of Patent: October 22, 2019Assignee: SHELL OIL COMPANYInventors: Laszlo Domokos, Laurent Georges Huve, Hermanus Jongkind, Aan Hendrik Klazinga, Marcello Stefano Rigutto
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Patent number: 9987623Abstract: Process for preparing a catalyst support which process comprises a) mixing pentasil zeolite having a bulk silica to alumina molar ratio in the range of from 20 to 150 with water, a silica source and an alkali metal salt, b) extruding the mixture obtained in step (a), c) drying and calcining the extrudates obtained in step (b), d) subjecting the calcined extrudates obtained in step (c) to ion exchange to reduce the alkali metal content, and e) drying the extrudates obtained in step (d); process for preparing a catalyst by furthermore impregnating such support with platinum in an amount in the range of from 0.001 to 0.1 wt % and tin in an amount in the range of from 0.01 to 0.5 wt %, each on the basis of total catalyst; ethylbenzene dealkylation catalyst obtainable thereby and a process for dealkylation of ethylbenzene which process comprises contacting feedstock containing ethylbenzene with such catalyst.Type: GrantFiled: December 12, 2017Date of Patent: June 5, 2018Assignee: SHELL OIL COMPANYInventors: László Domokos, Peter Geerinck, Aan Hendrik Klazinga
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Publication number: 20180099266Abstract: Process for preparing a catalyst support which process comprises a) mixing pentasil zeolite having a bulk silica to alumina molar ratio in the range of from 20 to 150 with water, a silica source and an alkali metal salt, b) extruding the mixture obtained in step (a), c) drying and calcining the extrudates obtained in step (b), d) subjecting the calcined extrudates obtained in step (c) to ion exchange to reduce the alkali metal content, and e) drying the extrudates obtained in step (d); process for preparing a catalyst by furthermore impregnating such support with platinum in an amount in the range of from 0.001 to 0.1 wt % and tin in an amount in the range of from 0.01 to 0.5 wt %, each on the basis of total catalyst; ethylbenzene dealkylation catalyst obtainable thereby and a process for dealkylation of ethylbenzene which process comprises contacting feedstock containing ethylbenzene with such catalyst.Type: ApplicationFiled: December 12, 2017Publication date: April 12, 2018Inventors: László DOMOKOS, Peter GEERINCK, Aan Hendrik KLAZINGA
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Patent number: 9873111Abstract: Process for preparing a catalyst support which process comprises a) mixing pentasil zeolite having a bulk silica to alumina molar ratio in the range of from 20 to 150 with water, a silica source and an alkali metal salt, b) extruding the mixture obtained in step (a), c) drying and calcining the extrudates obtained in step (b), d) subjecting the calcined extrudates obtained in step (c) to ion exchange to reduce the alkali metal content, and e) drying the extrudates obtained in step (d); process for preparing a catalyst by furthermore impregnating such support with platinum in an amount in the range of from 0.001 to 0.1 wt % and tin in an amount in the range of from 0.01 to 0.5 wt %, each on the basis of total catalyst; ethylbenzene dealkylation catalyst obtainable thereby and a process for dealkylation of ethylbenzene which process comprises contacting feedstock containing ethylbenzene with such catalyst.Type: GrantFiled: February 14, 2017Date of Patent: January 23, 2018Inventors: László Domokos, Peter Geerinck, Aan Hendrik Klazinga
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Publication number: 20170182483Abstract: Process for preparing a catalyst support which process comprises a) mixing pentasil zeolite having a bulk silica to alumina molar ratio in the range of from 20 to 150 with water, a silica source and an alkali metal salt, b) extruding the mixture obtained in step (a), c) drying and calcining the extrudates obtained in step (b), d) subjecting the calcined extrudates obtained in step (c) to ion exchange to reduce the alkali metal content, and e) drying the extrudates obtained in step (d); process for preparing a catalyst by furthermore impregnating such support with platinum in an amount in the range of from 0.001 to 0.1 wt % and tin in an amount in the range of from 0.01 to 0.5 wt %, each on the basis of total catalyst; ethylbenzene dealkylation catalyst obtainable thereby and a process for dealkylation of ethylbenzene which process comprises contacting feedstock containing ethylbenzene with such catalyst.Type: ApplicationFiled: February 14, 2017Publication date: June 29, 2017Inventors: László DOMOKOS, Peter GEERINCK, Aan Hendrik KLAZINGA
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Patent number: 9604204Abstract: Process for preparing a catalyst support which process comprises a) mixing pentasil zeolite having a bulk silica to alumina molar ratio in the range of from 20 to 150 with water, a silica source and an alkali metal salt, b) extruding the mixture obtained in step (a), c) drying and calcining the extrudates obtained in step (b), d) subjecting the calcined extrudates obtained in step (c) to ion exchange to reduce the alkali metal content, and e) drying the extrudates obtained in step (d); process for preparing a catalyst by furthermore impregnating such support with platinum in an amount in the range of from 0.001 to 0.1 wt % and tin in an amount in the range of from 0.01 to 0.5 wt %, each on the basis of total catalyst; ethylbenzene dealkylation catalyst obtainable thereby and a process for dealkylation of ethylbenzene which process comprises contacting feedstock containing ethylbenzene with such catalyst.Type: GrantFiled: April 18, 2011Date of Patent: March 28, 2017Assignee: SHELL OIL COMPANYInventors: László Domokos, Peter Geerinck, Aan Hendrik Klazinga
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Publication number: 20140209506Abstract: A hydrocarbon conversion catalyst composition which comprises dealuminated ZSM-48 and/or EU-2 zeolite and a refractory oxide binder essentially free of alumina, processes for preparing such composition and processes for converting hydrocarbon feedstock with the help of such compositions.Type: ApplicationFiled: October 20, 2011Publication date: July 31, 2014Inventors: László Domokos, Laurent Georges Huve, Hermanus Jongkind, Aan Hendrik Klazinga, Marcello Stefano Rigutto
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Publication number: 20130288885Abstract: A hydrocarbon conversion catalyst composition which comprises ZSM-48 and/or EU-2 zeolite particles and refractory oxide binder essentially free of alumina in which the average aluminium concentration of the ZSM-48 and/or EU-2 zeolite particles is at least 1.3 times the aluminium concentration at the surface of the particles, processes for preparing such catalyst compositions and processes for converting hydrocarbon feedstock with the help of such compositions.Type: ApplicationFiled: October 20, 2011Publication date: October 31, 2013Inventors: László Domokos, Laurent Georges Huve, Hermanus Jongkind, Aan Hendrik Klazinga, Marcello Stefano Rigutto
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Publication number: 20130197290Abstract: Process for preparing a catalyst support which process comprises a) mixing pentasil zeolite having a bulk silica to alumina molar ratio in the range of from 20 to 150 with water, a silica source and an alkali metal salt, b) extruding the mixture obtained in step (a), c) drying and calcining the extrudates obtained in step (b), d) subjecting the calcined extrudates obtained in step (c) to ion exchange to reduce the alkali metal content, and e) drying the extrudates obtained in step (d); process for preparing a catalyst by furthermore impregnating such support with platinum in an amount in the range of from 0.001 to 0.1 wt % and tin in an amount in the range of from 0.01 to 0.5 wt %, each on the basis of total catalyst; ethylbenzene dealkylation catalyst obtainable thereby and a process for dealkylation of ethylbenzene which process comprises contacting feedstock containing ethylbenzene with such catalyst.Type: ApplicationFiled: April 18, 2011Publication date: August 1, 2013Inventors: László Domokos, Peter Geerinck, Aan Hendrik Klazinga
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Patent number: 7611689Abstract: The invention provides a zeolite of the faujasite structure which has a unit cell size in the range of from 24.40 to 24.50 ?; a bulk silica to alumina ratio (SAR) in the range of from 5 to 10; and an alkali metal content of less than 0.15 wt %. Such zeolites have been found to have a very useful naphtha selectivity in hydrocracking, particularly a selectivity to heavy naphtha. A preparation process for the zeolite, hydrocracking catalyst composition comprising the zeolite and its use in hydrocracking are also provided.Type: GrantFiled: September 21, 2005Date of Patent: November 3, 2009Assignee: Shell Oil CompanyInventors: Edward Julius Creyghton, Laurent Georges Huve, Aan Hendrik Klazinga
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Patent number: 5954946Abstract: The present invention provides a catalyst comprising a very ultrastable zeolite Y (VUSY) in which less than 15% of the total amount of aluminum (Al) present is octahedrally coordinated; a process for preparing the zeolite; and a hydrocarbon conversion process using the catalyst.Type: GrantFiled: October 29, 1997Date of Patent: September 21, 1999Assignee: Shell Oil CompanyInventors: Aan Hendrik Klazinga, Theodorus Ludovicus Michael Maesen, Johannes Anthonius Robert Van Veen, Ingrid Maria Van Vegchel
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Patent number: 4874730Abstract: Process for the preparation of a modified zeolite of the Y-type by treatment with a solution of a metal salt and a calcination which comprises treating a zeolite of the Y-type having an alkali oxide/aluminium oxide molar ratio of at most about 0.13 with a solution of a multi-valent metal salt having a cationic radius between about 0.6 and about 1.0.ANG. and converting it by calcination into a product having a unit cell size between about 24.21.ANG. and about 24.65.ANG..Type: GrantFiled: April 12, 1988Date of Patent: October 17, 1989Assignee: Shell Oil CompanyInventor: Aan Hendrik Klazinga