Patents by Inventor Stanislaw Plecha
Stanislaw Plecha 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).
-
Patent number: 10589254Abstract: Spheroidal catalyst support, supported catalyst, and method of preparing and using the catalyst for hydrodemetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 30% percent of their pore volume in pores having a diameter of between 200 and 500 ?. Catalysts prepared from the supports contain Group 6, 9 and 10 metals or metal compounds supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved catalytic activity and stability to remove metals from heavy feedstocks during a hydrotreating process. The catalysts also provide increased sulfur and MCR conversion during a hydrotreating process.Type: GrantFiled: February 26, 2019Date of Patent: March 17, 2020Assignee: Advanced Refining Technologies LLCInventors: Stanislaw Plecha, Narinobu Kagami, Viorel D. Duma, John Everett Creighton
-
Publication number: 20190184376Abstract: Spheroidal catalyst support, supported catalyst, and method of preparing and using the catalyst for hydrodemetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 30% percent of their pore volume in pores having a diameter of between 200 and 500 ?. Catalysts prepared from the supports contain Group 6, 9 and 10 metals or metal compounds supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved catalytic activity and stability to remove metals from heavy feedstocks during a hydrotreating process. The catalysts also provide increased sulfur and MCR conversion during a hydrotreating process.Type: ApplicationFiled: February 26, 2019Publication date: June 20, 2019Applicant: Advanced Refining Technologies LLCInventors: Stanislaw Plecha, Narinobu Kagami, Viorel D. Duma, John Everett Creighton
-
Patent number: 10279335Abstract: Spheroidal catalyst support, supported catalyst, and method of preparing and using the catalyst for hydrodemetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 30% percent of their pore volume in pores having a diameter of between 200 and 500 ?. Catalysts prepared from the supports contain Group 6, 9 and 10 metals or metal compounds supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved catalytic activity and stability to remove metals from heavy feedstocks during a hydrotreating process. The catalysts also provide increased sulfur and MCR conversion during a hydrotreating process.Type: GrantFiled: February 15, 2013Date of Patent: May 7, 2019Assignee: Advanced Refining Technologies LLCInventors: Stanislaw Plecha, Narinobu Kagami, Viorel Duma, John Everett Creighton
-
Patent number: 9908105Abstract: Catalyst supports, supported catalysts, and a method of preparing and using the catalysts for the demetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise precipitated alumina prepared by a low temperature pH swing process. A large portion of the pore volume of the catalyst supports has pores with a diameter in the range of about 200 ? to about 500 ?. Catalysts prepared from the supports of the invention exhibit improved catalytic activity and stability to remove metals from heavy hydrocarbon feedstocks during a hydroconversion process. The catalysts also exhibit increased sulfur and MCR conversion during the hydroconversion process.Type: GrantFiled: November 24, 2015Date of Patent: March 6, 2018Assignee: Advanced Refining Technologies LLCInventors: Viorel D. Duma, Matthew P. Woods, Stanislaw Plecha
-
Patent number: 9675965Abstract: Improved catalyst supports, supported catalyst, and method of preparing and using the catalysts for the hydrodesulfurization of a residuum hydrocarbon feedstock are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 70% of their pore volume in pores having a diameter between 70 ? and 130 ? and less than 2% in pores having a diameter above 1000 ?. Catalysts prepared from the supports contain Groups 6, 9 and 10 metals or metal compounds, and optionally phosphorus, supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved sulfur and MCR conversion in hydrotreating processes.Type: GrantFiled: May 4, 2016Date of Patent: June 13, 2017Assignee: Advanced Refining Technologies LLCInventors: Rong He, Stanislaw Plecha, Meenakshi S. Krishnamoorthy, Bharat M. Patel
-
Patent number: 9669394Abstract: Improved catalyst supports, supported catalyst, and method of preparing and using the catalysts for the hydrodesulfurization of a residuum hydrocarbon feedstock are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 70% of their pore volume in pores having a diameter between 70 ? and 130 ? and less than 2% in pores having a diameter above 1000 ?. Catalysts prepared from the supports contain Groups 6, 9 and 10 metals or metal compounds, and optionally phosphorus, supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved sulfur and MCR conversion in hydrotreating processes.Type: GrantFiled: May 10, 2016Date of Patent: June 6, 2017Assignee: Advanced Refining Technologies LLCInventors: Rong He, Stanislaw Plecha, Meenakshi S. Krishnamoorthy, Bharat M. Patel
-
Publication number: 20160250622Abstract: Improved catalyst supports, supported catalyst, and method of preparing and using the catalysts for the hydrodesulfurization of a residuum hydrocarbon feedstock are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 70% of their pore volume in pores having a diameter between 70 ? and 130 ? and less than 2% in pores having a diameter above 1000 ?. Catalysts prepared from the supports contain Groups 6, 9 and 10 metals or metal compounds, and optionally phosphorus, supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved sulfur and MCR conversion in hydrotreating processes.Type: ApplicationFiled: May 10, 2016Publication date: September 1, 2016Inventors: Rong He, Stanislaw Plecha, Meenakshi S. Krishnamoorthy, Bharat M. Patel
-
Publication number: 20160243528Abstract: Improved catalyst supports, supported catalyst, and method of preparing and using the catalysts for the hydrodesulfurization of a residuum hydrocarbon feedstock are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 70% of their pore volume in pores having a diameter between 70 ? and 130 ? and less than 2% in pores having a diameter above 1000 ?. Catalysts prepared from the supports contain Groups 6, 9 and 10 metals or metal compounds, and optionally phosphorus, supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved sulfur and MCR conversion in hydrotreating processes.Type: ApplicationFiled: May 4, 2016Publication date: August 25, 2016Inventors: Rong He, Stanislaw Plecha, Meenakshi S. Krishnamoorthy, Bharat M. Patel
-
Patent number: 9415384Abstract: Improved catalyst supports, supported catalyst, and method of preparing and using the catalysts for the hydrodesulfurization of a residuum hydrocarbon feedstock are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 70% of their pore volume in pores having a diameter between 70 and 130 and less than 2% in pores having a diameter above 1000. Catalysts prepared from the supports contain Groups 6, 9 and 10 metals or metal compounds, and optionally phosphorus, supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved sulfur and MCR conversion in hydrotreating processes.Type: GrantFiled: June 20, 2013Date of Patent: August 16, 2016Assignee: Advanced Refining Technologies LLCInventors: Rong He, Stanislaw Plecha, Meenakshi S. Krishnamoorthy, Bharat M. Patel
-
Publication number: 20160074840Abstract: Catalyst supports, supported catalysts, and a method of preparing and using the catalysts for the demetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise precipitated alumina prepared by a low temperature pH swing process. A large portion of the pore volume of the catalyst supports has pores with a diameter in the range of about 200 ? to about 500 ?. Catalysts prepared from the supports of the invention exhibit improved catalytic activity and stability to remove metals from heavy hydrocarbon feedstocks during a hydroconversion process. The catalysts also exhibit increased sulfur and MCR conversion during the hydroconversion process.Type: ApplicationFiled: November 24, 2015Publication date: March 17, 2016Inventors: Viorel D. Duma, Matthew P. Woods, Stanislaw Plecha
-
Patent number: 9216407Abstract: Catalyst supports, supported catalysts, and a method of preparing and using the catalysts for the demetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise precipitated alumina prepared by a low temperature pH swing process. A large portion of the pore volume of the catalyst supports has pores with a diameter in the range of about 200 ? to about 500 ?. Catalysts prepared from the supports of the invention exhibit improved catalytic activity and stability to remove metals from heavy hydrocarbon feedstocks during a hydroconversion process. The catalysts also exhibit increased sulfur and MCR conversion during the hydroconversion process.Type: GrantFiled: March 14, 2014Date of Patent: December 22, 2015Assignee: Advanced Refining Technologies LLCInventors: Viorel D. Duma, Matthew P. Woods, Stanislaw Plecha
-
Publication number: 20150224476Abstract: Spheroidal catalyst support, supported catalyst, and method of preparing and using the catalyst for hydrodemetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 30% percent of their pore volume in pores having a diameter of between 200 and 500 ?. Catalysts prepared from the supports contain Group 6, 9 and 10 metals or metal compounds supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved catalytic activity and stability to remove metals from heavy feedstocks during a hydrotreating process. The catalysts also provide increased sulfur and MCR conversion during a hydrotreating process.Type: ApplicationFiled: February 15, 2013Publication date: August 13, 2015Inventors: Stanislaw Plecha, Narinobu Kagami, Viorel Duma, John Everett Creighton
-
Publication number: 20150144532Abstract: Improved catalyst supports, supported catalyst, and method of preparing and using the catalysts for the hydrodesulfurization of a residuum hydrocarbon feedstock are disclosed. The catalyst supports comprise titania alumina having 5 wt % or less titania and have greater than 70% of their pore volume in pores having a diameter between 70 and 130 and less than 2% in pores having a diameter above 1000. Catalysts prepared from the supports contain Groups 6, 9 and 10 metals or metal compounds, and optionally phosphorus, supported on the titania alumina supports. Catalysts in accordance with the invention exhibit improved sulfur and MCR conversion in hydrotreating processes.Type: ApplicationFiled: June 20, 2013Publication date: May 28, 2015Applicant: Advanced Refining Technologies LLCInventors: Rong He, Stanislaw Plecha, Meenakshi S. Krishnamoorthy, Bharat M. Patel
-
Publication number: 20140262956Abstract: Catalyst supports, supported catalysts, and a method of preparing and using the catalysts for the demetallation of metal-containing heavy oil feedstocks are disclosed. The catalyst supports comprise precipitated alumina prepared by a low temperature pH swing process. A large portion of the pore volume of the catalyst supports has pores with a diameter in the range of about 200 ? to about 500 ?. Catalysts prepared from the supports of the invention exhibit improved catalytic activity and stability to remove metals from heavy hydrocarbon feedstocks during a hydroconversion process. The catalysts also exhibit increased sulfur and MCR conversion during the hydroconversion process.Type: ApplicationFiled: March 14, 2014Publication date: September 18, 2014Applicant: ADVANCED REFINING TECHNOLOGIES LLCInventors: Viorel D. Duma, Matthew P. Woods, Stanislaw Plecha
-
Patent number: 6451200Abstract: Porous composite particles are provided which comprise an aluminum oxide component, e.g., crystalline boehmite, and a swellable clay component, e.g., synthetic hectorite, intimately dispersed within the aluminum oxide component at an amount effective to increase the hydrothermal stability, pore volume, and/or the mesopore pore mode of the composite particles relative to the absence of the swellable clay. Also provided is a method for making the composite particles, agglomerate particles derived therefrom, and a process for hydroprocessing petroleum feedstock using the agglomerates to support a hydroprocessing catalyst.Type: GrantFiled: July 16, 2001Date of Patent: September 17, 2002Assignee: W. R. Grace & Co.-Conn.Inventors: Roger Jean Lussier, Stanislaw Plecha, Charles Cross Wear, Gordon Dean Weatherbee
-
Publication number: 20020051878Abstract: Porous composite particles are provided which comprise an aluminum oxide component. e.g., crystalline boehmite, and a swellable clay component, e.g., synthetic hectorite, intimately dispersed within the aluminum oxide component at an amount effective to increase the hydrothermal stability, pore volume, and/or the mesopore pore mode of the composite particles relative to the absence of the swellable clay. Also provided is a method for making the composite particles, agglomerate particles derived therefrom, and a process for hydroprocessing petroleum feedstock using the agglomerates to support a hydroprocessing catalyst.Type: ApplicationFiled: July 16, 2001Publication date: May 2, 2002Inventors: Roger Jean Lussier, Stanislaw Plecha, Charles Cross Wear, Gordon Dean Weatherbee
-
Patent number: 6303531Abstract: Porous composite particles are provided which comprise an aluminum oxide component, e.g., crystalline boehmite, and a swellable clay component, e.g., synthetic hectorite, intimately dispersed within the aluminum oxide component at an amount effective to increase the hydrothermal stability, pore volume, and/or the mesopore pore mode of the composite particles relative to the absence of the swellable clay. Also provided is a method for making the composite particles, agglomerate particles derived therefrom, and a process for hydroprocessing petroleum feedstock using the agglomerates to support a hydroprocessing catalyst.Type: GrantFiled: January 13, 2000Date of Patent: October 16, 2001Assignee: W. R. Grace & Co.-Conn.Inventors: Roger Jean Lussier, Stanislaw Plecha, Charles Cross Wear
-
Patent number: 6124367Abstract: Supports for Fischer-Tropsch catalysts with increased strength and attrition resistance are formed by incorporating both silica and alumina into a support comprised primarily of titania; whereupon Fischer-Tropsch active metals can be composited with the support; the catalysts being particularly useful in slurry reactions.Type: GrantFiled: November 2, 1999Date of Patent: September 26, 2000Assignee: Exxon Research and Engineering CompanyInventors: Stanislaw Plecha, Charles H. Mauldin, Larry E. Pedrick
-
Patent number: 6117814Abstract: Supports for Fischer-Tropsch catalysts with increased strength and attrition resistance are formed by incorporating both silica and alumina into a support comprised primarily of titania; whereupon Fischer-Tropsch active metals can be composited with the support; the catalysts being particularly useful in slurry reactions.Type: GrantFiled: February 10, 1998Date of Patent: September 12, 2000Assignee: Exxon Research and Engineering Co.Inventors: Stanislaw Plecha, Charles H. Mauldin, Larry E. Pedrick
-
Patent number: 6087405Abstract: Supports for Fischer-Tropsch catalysts with increased strength and attrition resistance are formed by incorporating both silica and alumina into a support comprised primarily of titania; whereupon Fischer-Tropsch active metals can be composited with the support; the catalysts being particularly useful in slurry reactions.Type: GrantFiled: July 6, 1999Date of Patent: July 11, 2000Assignee: Exxon Research and Engineering CompanyInventors: Stanislaw Plecha, Charles H. Mauldin, Larry E. Pedrick