Patents by Inventor Sivadinarayana Chinta
Sivadinarayana Chinta 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: 9227887Abstract: A method for the oxidative coupling of hydrocarbons, such as the oxidative coupling of methane to toluene, includes providing an oxidative catalyst inside a reactor, and carrying out the oxidative coupling reaction under a set of reaction conditions. The oxidative catalyst includes (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.Type: GrantFiled: May 21, 2014Date of Patent: January 5, 2016Assignee: FINA TECHNOLOGY, INC.Inventors: Sivadinarayana Chinta, Joseph L. Thorman, James R. Butler, Joe Hunter, Taylor Rives
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Patent number: 9089832Abstract: A catalyst includes: (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.Type: GrantFiled: June 29, 2009Date of Patent: July 28, 2015Assignee: FINA TECHNOLOGY, INC.Inventors: Sivadinarayana Chinta, Joseph Thorman, James Butler
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Publication number: 20150152026Abstract: A method for the oxidative coupling of hydrocarbons includes providing an oxidative catalyst inside a reactor and carrying out the oxidative coupling reaction under a set of reaction conditions. The reactor surfaces that contact the reactants and products do not provide a significant detrimental catalyzing effect. In an embodiment the reactor contains an inert lining or a portion of the reactor inner surface is treated to reduce the detrimental catalytic effects. In an embodiment the reactor contains a lining that includes an oxidative catalyst.Type: ApplicationFiled: February 11, 2015Publication date: June 4, 2015Inventors: Sivadinarayana Chinta, Joseph L. Thorman
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Patent number: 8999258Abstract: A method for the oxidative coupling of hydrocarbons includes providing an oxidative catalyst inside a reactor and carrying out the oxidative coupling reaction under a set of reaction conditions. The reactor surfaces that contact the reactants and products do not provide a significant detrimental catalyzing effect. In an embodiment the reactor contains an inert lining or a portion of the reactor inner surface is treated to reduce the detrimental catalytic effects. In an embodiment the reactor contains a lining that includes an oxidative catalyst.Type: GrantFiled: January 30, 2013Date of Patent: April 7, 2015Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph Thorman
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Patent number: 8969642Abstract: A process for making styrene is disclosed that includes reacting toluene with a C1 source and a co-feed in the presence of a catalyst in a reactor to form a first product stream comprising styrene, ethylbenzene, carbon monoxide, and hydrogen; separating the hydrogen and carbon monoxide from the first product stream to form a second stream; separating the hydrogen from the second stream to form a third stream comprising hydrogen and a fourth stream comprising carbon monoxide; wherein the fourth stream is recycled to the reactor and forms at least a portion of the co-feed.Type: GrantFiled: December 13, 2013Date of Patent: March 3, 2015Assignee: Fina Technology, Inc.Inventors: Joseph E. Pelati, James R. Butler, Sivadinarayana Chinta
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Publication number: 20150051063Abstract: An alkylation catalyst having a zeolite catalyst component and a binder component providing mechanical support for the zeolite catalyst component is disclosed. The binder component is an ion-modified binder that can include metal ions selected from the group consisting of Co, Mn, Ti, Zr, V, Nb, K, Cs, Ga, B, P, Rb, Ag, Na, Cu, Mg, Fe, Mo, Ce, and combinations thereof The metal ions reduce the number of acid sites on the zeolite catalyst component. The metal ions can range from 0.1 to 50 wt % based on the total weight of the ion-modified binder. Optionally, the ion-modified binder is present in amounts ranging from 1 to 80 wt % based on the total weight of the catalyst.Type: ApplicationFiled: October 28, 2014Publication date: February 19, 2015Inventors: Sivadinarayana Chinta, Joseph E. Pelati
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Patent number: 8946495Abstract: A process is disclosed for making styrene and/or ethylbenzene by reacting toluene with a C1 source over a catalyst in at least one radial reactor to form a product stream comprising styrene and/or ethylbenzene.Type: GrantFiled: April 27, 2012Date of Patent: February 3, 2015Assignee: Fina Technology, Inc.Inventor: Sivadinarayana Chinta
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Patent number: 8912109Abstract: An alkylation catalyst having a zeolite catalyst component and a binder component providing mechanical support for the zeolite catalyst component is disclosed. The binder component is an ion-modified binder that can include metal ions selected from the group consisting of Co, Mn, Ti, Zr, V, Nb, K, Cs, Ga, B, P, Rb, Ag, Na, Cu, Mg, Fe, Mo, Ce, and combinations thereof. The metal ions reduce the number of acid sites on the zeolite catalyst component. The metal ions can range from 0.1 to 50 wt % based on the total weight of the ion-modified binder. Optionally, the ion-modified binder is present in amounts ranging from 1 to 80 wt % based on the total weight of the catalyst.Type: GrantFiled: May 22, 2011Date of Patent: December 16, 2014Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph E. Pelati
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Patent number: 8912381Abstract: A method for the oxidative coupling of hydrocarbons, such as the oxidative coupling of methane, includes providing an oxidative catalyst inside a reactor, and carrying out the oxidative coupling reaction under a set of reaction conditions. The oxidative catalyst includes (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.Type: GrantFiled: June 29, 2009Date of Patent: December 16, 2014Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph Thorman, James Butler, Joe Hunter, Taylor Rives
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Publication number: 20140288343Abstract: A process is disclosed that includes reacting a C1 source with n-butene to form a C-5 diolefin.Type: ApplicationFiled: March 11, 2014Publication date: September 25, 2014Applicant: FINA TECHNOLOGY, INC.Inventors: Kenneth Paul Blackmon, Sivadinarayana Chinta, Jun Wang
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Publication number: 20140288341Abstract: A method of making a catalyst containing nanosize zeolite particles supported on a support material is disclosed. A process for making styrene or ethylbenzene by reacting toluene with a C1 source over a catalyst containing nanosize zeolite particles supported on a support material is disclosed.Type: ApplicationFiled: June 3, 2014Publication date: September 25, 2014Applicant: FINA TECHNOLOGY, INC.Inventors: Sivadinarayana Chinta, Joseph L. Thorman
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Publication number: 20140257004Abstract: A process for making styrene is disclosed that includes providing toluene, a co-feed, and a C1 source to a reactor containing a catalyst, reacting toluene with the C1 source in the presence of the catalyst and the co-feed to form a product stream containing ethylbenzene and styrene. The co-feed can be selected from the group of water, carbon monoxide, hydrogen, and combinations thereof.Type: ApplicationFiled: May 20, 2014Publication date: September 11, 2014Applicant: FINA TECHNOLOGY, INC.Inventors: Sivadinarayana Chinta, Joseph L. Thorman, James R. Butler
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Publication number: 20140256537Abstract: A process for making styrene including providing toluene, a co-feed, and a C1 source to a reactor containing a catalyst having acid sites and reacting toluene with the C1 source in the presence of the catalyst and the co-feed to form a product stream containing ethylbenzene and styrene, wherein the C1 source is selected from methanol, formaldehyde, formalin, trioxane, methylformcel, paraformaldehyde, methylal, dimethyl ether, and wherein the co-feed removes at least a portion of the acid sites on the catalyst. The co-feed can be selected from the group of aniline, amines, cresol, anisol, and combinations thereof.Type: ApplicationFiled: May 20, 2014Publication date: September 11, 2014Applicant: FINA TECHNOLOGY, INC.Inventors: Sivadinarayana Chinta, Joseph L. Thorman
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Publication number: 20140257005Abstract: A method for the oxidative coupling of hydrocarbons, such as the oxidative coupling of methane to toluene, includes providing an oxidative catalyst inside a reactor, and carrying out the oxidative coupling reaction under a set of reaction conditions. The oxidative catalyst includes (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.Type: ApplicationFiled: May 21, 2014Publication date: September 11, 2014Applicant: FINA TECHNOLOGY, INC.Inventors: Sivadinarayana Chinta, Joseph L. Thorman, James R. Butler, Joe Hunter, Taylor Rives
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Patent number: 8796497Abstract: A method for the oxidative coupling of hydrocarbons, such as the oxidative coupling of methane to toluene, includes providing an oxidative catalyst inside a reactor, and carrying out the oxidative coupling reaction under a set of reaction conditions. The oxidative catalyst includes (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.Type: GrantFiled: November 6, 2013Date of Patent: August 5, 2014Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph L. Thorman, James R. Butler, Joe Hunter, Taylor Rives
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Patent number: 8791040Abstract: A method of making a catalyst containing nanosize zeolite particles supported on a support material is disclosed. A process for making styrene or ethylbenzene by reacting toluene with a C1 source over a catalyst containing nanosize zeolite particles supported on a support material is disclosed.Type: GrantFiled: November 3, 2010Date of Patent: July 29, 2014Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph L. Thorman
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Patent number: 8785705Abstract: A process for making styrene is disclosed that includes providing toluene, a co-feed, and a C1 source to a reactor containing a catalyst, reacting toluene with the C1 source in the presence of the catalyst and the co-feed to form a product stream containing ethylbenzene and styrene. The co-feed can be selected from the group of water, carbon monoxide, hydrogen, and combinations thereof.Type: GrantFiled: April 27, 2012Date of Patent: July 22, 2014Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph L. Thorman, James R. Butler
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Patent number: 8785706Abstract: A process for making styrene including providing toluene, a co-feed, and a C1 source to a reactor containing a catalyst having acid sites and reacting toluene with the C1 source in the presence of the catalyst and the co-feed to form a product stream containing ethylbenzene and styrene, wherein the C1 source is selected from methanol, formaldehyde, formalin, trioxane, methylformcel, paraformaldehyde, methylal, dimethyl ether, and wherein the co-feed removes at least a portion of the acid sites on the catalyst. The co-feed can be selected from the group of aniline, amines, cresol, anisol, and combinations thereof.Type: GrantFiled: April 27, 2012Date of Patent: July 22, 2014Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph L. Thorman
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Patent number: 8729328Abstract: A method for the oxidative coupling of hydrocarbons, such as the oxidative coupling of methane to toluene, includes providing an oxidative catalyst inside a reactor, and carrying out the oxidative coupling reaction under a set of reaction conditions. The oxidative catalyst includes (A) at least one element selected from the group consisting of the Lanthanoid group, Mg, Ca, and the elements of Group 4 of the periodic table (Ti, Zr, and Hf); (B) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements of Group 3 (including La and Ac) and Groups 5-15 of the periodic table; (C) at least one element selected from the group consisting of the Group 1 elements of Li, Na, K, Rb, Cs, and the elements Ca, Sr, and Ba; and (D) oxygen.Type: GrantFiled: April 22, 2013Date of Patent: May 20, 2014Assignee: Fina Technology, Inc.Inventors: Sivadinarayana Chinta, Joseph L. Thorman, James R. Butler, Joe Hunter, Taylor Rives
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Publication number: 20140128247Abstract: A process for making styrene including providing a C1 source to a reactor containing a catalyst and reacting toluene with the C1 source in the presence of the catalyst to form a product stream comprising ethylbenzene and styrene. The C1 source can be selected from the group of methanol, formaldehyde, formalin, trioxane, methylformcel, paraformaldehyde, methylal, dimethyl ether, and combinations thereof, and wherein the catalyst contains a nitrogen-substituted zeolite.Type: ApplicationFiled: January 15, 2014Publication date: May 8, 2014Applicant: FINA TECHNOLOGY, INC.Inventor: Sivadinarayana Chinta