Patents by Inventor Tjalling Rekker
Tjalling Rekker 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: 9045410Abstract: The invention relates to a catalyst comprising nickel and a solid silica support, to a process for preparing such a catalyst and to a process for the hydrogenation of an unsaturated fatty material. According to the invention there is provided a catalyst comprising nickel on a solid silica support, wherein said catalyst has a specific pore volume of at least 0.4 ml/g and a TPR peak maximum within the range of 360-420° C.Type: GrantFiled: October 12, 2012Date of Patent: June 2, 2015Assignee: BASF CORPORATIONInventors: Hermanus Johannes Bouwman, Robert Johan Andreas Maria Terörde, Tjalling Rekker
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Publication number: 20140323601Abstract: The present invention is directed to a catalyst suitable for catalyzing a Fischer-Tropsch reaction, said catalyst comprising cobalt metal supported on zinc-oxide and having the following particle size distribution by volume: <10% having a particle size below 1 micron, 70-99% having a particle size between 1 and 5 micron, and <20% having a particle size above 5 micron.Type: ApplicationFiled: July 6, 2014Publication date: October 30, 2014Applicant: BASF CorproationInventors: Tjalling Rekker, Cornelis Roeland Baijense
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Publication number: 20140256972Abstract: The invention relates to a catalyst comprising nickel and a solid silica support, to a process for preparing such a catalyst and to a process for the hydrogenation of an unsaturated fatty material. According to the invention there is provided a catalyst comprising nickel on a solid silica support, wherein said catalyst has a specific pore volume of at least 0.4 ml/g and a TPR peak maximum within the range of 360-420° C.Type: ApplicationFiled: October 12, 2012Publication date: September 11, 2014Applicant: BASF CORPORATIONInventors: Hermanus Johannes Bouwman, Robert Johan Andreas Maria Teroerde, Tjalling Rekker
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Patent number: 8778832Abstract: The present invention is directed to a catalyst suitable for catalyzing a Fischer-Tropsch reaction, said catalyst comprising cobalt metal supported on zinc-oxide and having the following particle size distribution by volume: <10% having a particle size below 1 micron, 70-99% having a particle size between 1 and 5 micron, and <20% having a particle size above 5 micron.Type: GrantFiled: November 11, 2008Date of Patent: July 15, 2014Assignee: BASF CorporationInventors: Tjalling Rekker, Cornelis Roeland Baijense
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Patent number: 8686168Abstract: The invention is directed to a process for the hydrogenation of unsaturated fatty acids to produce saturated fatty acids, said process comprising hydrogenating the unsaturated fatty acid in the presence of hydrogen and a supported nickel catalyst, said supported nickel catalyst comprising an oxidic support, 5 to 80 wt. % of nickel, calculated as metallic nickel on the weight of the catalyst, and 0.1 to 10 wt. % of a manganese promoter, calculated as MnO2 on the weight of the catalyst.Type: GrantFiled: March 28, 2011Date of Patent: April 1, 2014Assignee: BASF CorporationInventors: Tjalling Rekker, Robert Johan Andreas Maria Terörde
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Publication number: 20130079535Abstract: The invention is directed to a process for the hydrogenation of unsaturated fatty acids to produce saturated fatty acids, said process comprising hydrogenating the unsaturated fatty acid in the presence of hydrogen and a supported nickel catalyst, said supported nickel catalyst comprising an oxidic support, 5 to 80 wt. % of nickel, calculated as metallic nickel on the weight of the catalyst, and 0.1 to 10 wt. % of a manganese promoter, calculated as MnO2 on the weight of the catalyst.Type: ApplicationFiled: March 28, 2011Publication date: March 28, 2013Applicant: BASF CORPORATIONInventors: Tjalling Rekker, Robert Johan Andreas Maria Terörde
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Patent number: 8207083Abstract: The present invention relates to a catalyst nickel, silica, alumina and magnesium, wherein the nickel to magnesium atomic ratio is 5-75. In particular the present invention relates to a catalyst comprising nickel, silica, alumina and magnesium, wherein the nickel to silicium atomic ratio (Ni/Si) is 2 to 30 to nickel to aluminum atomic ratio (Ni/Al) is 9 to 40 and the nickel to magnesium atomic ratio (Ni/Mg) is 5-75. The invention further relates to a method for preparing such a catalyst. The invention further relates to a process for hydrogenating unsaturated organic compounds.Type: GrantFiled: March 26, 2009Date of Patent: June 26, 2012Assignee: BASF CorporationInventors: Pieter Hildegardus Berben, Tjalling Rekker
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Patent number: 7884139Abstract: The present invention relates to a catalyst comprising particles of a cobalt and zinc co-precipitate, having a volume average particle size of less than 150 ?m. Another aspect of the invention is the use of such a catalyst in a Fischer-Tropsch process. The present invention further relates to a method for preparing a catalyst comprising cobalt and zinc oxide, wherein an acidic solution comprising zinc ions and cobalt ions and a alkaline solution are contacted and the precipitate is isolated.Type: GrantFiled: January 16, 2009Date of Patent: February 8, 2011Assignee: BASF CorporationInventors: Cornelis Roeland Baijense, Tjalling Rekker
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Publication number: 20090221724Abstract: The present invention relates to a catalyst comprising particles of a cobalt and zinc co-precipitate, having a volume average particle size of less than 150 ?m. Another aspect of the invention is the use of such a catalyst in a Fischer-Tropsch process. The present invention further relates to a method for preparing a catalyst comprising cobalt and zinc oxide, wherein an acidic solution comprising zinc ions and cobalt ions and a alkaline solution are contacted and the precipitate is isolated.Type: ApplicationFiled: January 16, 2009Publication date: September 3, 2009Applicant: BASF CATALYSTS LLCInventors: Cornelis Roeland Baijense, Tjalling Rekker
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Publication number: 20090197981Abstract: The present invention is directed to a catalyst suitable for catalyzing a Fischer-Tropsch reaction, said catalyst comprising cobalt metal supported on zinc-oxide and having the following particle size distribution by volume: <10% having a particle size below 1 micron, 70-99% having a particle size between 1 and 5 micron, and <20% having a particle size above 5 micron.Type: ApplicationFiled: November 11, 2008Publication date: August 6, 2009Applicant: BASF CATALYSTS LLCInventors: Tjalling Rekker, Cornelis Roeland Baijense
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Patent number: 7563747Abstract: The present invention relates to a catalyst comprising particles of a cobalt and zinc co-precipitate, having a volume average particle size of less than 150 ?m. Another aspect of the invention is the use of such a catalyst in a Fischer-Tropsch process. The present invention further relates to a method for preparing a catalyst comprising cobalt and zinc oxide, wherein an acidic solution comprising zinc ions and cobalt ions and a alkaline solution are contacted and the precipitate is isolated.Type: GrantFiled: April 22, 2003Date of Patent: July 21, 2009Assignee: BASF Catalysts LLCInventors: Cornelis Roeland Baijense, Tjalling Rekker
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Publication number: 20090182181Abstract: The present invention relates to a catalyst nickel, silica, alumina and magnesium, wherein the nickel to magnesium atomic ratio is 5-75. In particular the present invention relates to a catalyst comprising nickel, silica, alumina and magnesium, wherein the nickel to silicium atomic ratio (Ni/Si) is 2 to 30 to nickel to aluminum atomic ratio (Ni/Al) is 9 to 40 and the nickel to magnesium atomic ratio (Ni/Mg) is 5-75. The invention further relates to a method for preparing such a catalyst. The invention further relates to a process for hydrogenating unsaturated organic compounds.Type: ApplicationFiled: March 26, 2009Publication date: July 16, 2009Applicant: BASF CATALYSTS LLCInventors: Pieter Hildegardus Berben, Tjalling Rekker
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Patent number: 7528092Abstract: The present invention relates to a catalyst nickel, silica, alumina and magnesium, wherein the nickel to magnesium atomic ratio is 5-75. In particular the present invention relates to a catalyst comprising nickel, silica, alumina and magnesium, wherein the nickel to silicium atomic ratio (Ni/Si) is 2 to 30 the nickel to aluminum atomic ratio (Ni/Al) is 9 to 40 and the nickel to magnesium atomic ratio (Ni/Mg) is 5-75. The invention further relates to a method for preparing such a catalyst. The invention further relates to a process for hydrogenating unsaturated organic compounds.Type: GrantFiled: October 17, 2003Date of Patent: May 5, 2009Assignee: BASF Catalysts LLCInventors: Pieter Hildegardus Berben, Tjalling Rekker
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Publication number: 20060100452Abstract: The present invention relates to a catalyst nickel, silica, alumina and magnesium, wherein the nickel to magnesium atomic ratio is 5-75. In particular the present invention relates to a catalyst comprising nickel, silica, alumina and magnesium, wherein the nickel to silicium atomic ratio (Ni/Si) is 2 to 30 the nickel to aluminum atomic ratio (Ni/Al) is 9 to 40 and the nickel to magnesium atomic ratio (Ni/Mg) is 5-75. The invention further relates to a method for preparing such a catalyst. The invention further relates to a process for hydrogenating unsaturated organic compounds.Type: ApplicationFiled: October 17, 2003Publication date: May 11, 2006Applicant: Engelhard CorporationInventors: Pieter Berben, Tjalling Rekker
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Publication number: 20050170956Abstract: The present invention relates to a catalyst comprising particles of a cobalt and zinc co-precipitate, having a volume average particle size of less than 150 ?m. Another aspect of the invention is the use of such a catalyst in a Fischer-Tropsch process. The present invention further relates to a method for preparing a catalyst comprising cobalt and zinc oxide, wherein an acidic solution comprising zinc ions and cobalt ions and a alkaline solution are contacted and the precipitate is isolated.Type: ApplicationFiled: April 22, 2003Publication date: August 4, 2005Inventors: Cornelis Baijense, Tjalling Rekker
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Patent number: 5856603Abstract: The invention is directed to a process for the production of cyclohexane by catalytic hydrogenation of benzene using hydrogen, said process comprising the hydrogenation of benzene in the presence of a supported nickel catalyst having a nickel content of at least 10 wt. %, calculated as nickel, said catalyst containing sulfur, or compounds thereof, as promotor.Type: GrantFiled: June 19, 1997Date of Patent: January 5, 1999Assignee: Engelhard CorporationInventors: Tjalling Rekker, Bernard Hendrik Reesink, Frederik Borninkhof