Patents by Inventor Shahid Azam
Shahid Azam 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).
-
Publication number: 20240067588Abstract: A method for purifying 1-hexene is disclosed. The method can include contacting a first stream containing 1-hexene and 2-ethyl-1-butene with an isomerization catalyst containing an comprising an alumina, silica-alumina, a zeolite, or an ion exchange resin, or any combinations thereof, under conditions sufficient to selectively isomerize at least a portion of 2-ethyl-1-butene into 3-methyl-2-pentene and form a second stream containing 1-hexene and 3-methyl-2-pentene, and separating the second stream into a third stream containing 1-hexene and a fourth stream containing 3-methyl-2-pentene.Type: ApplicationFiled: December 20, 2021Publication date: February 29, 2024Inventors: Shahid Azam, Abdulmajeed Mohammed Al-Hamdan, Mohammed Fahad Al-Anazi, Bander Bawareth, Ashim Kumar Ghosh, Debashis Chakraborty, Somak Paul, Rajan V. Deshmukh, Ahmed Hussain Eissa, Omar A. Marghalani, Sebastiano Licciulli
-
Publication number: 20230331641Abstract: Systems and methods for producing Linear Alpha Olefins are disclosed. The system includes two or more reaction units that are arranged in parallel. The system includes a cleaning unit configured to flush one or more of the reaction units that is off-stream while the remaining reaction units are on-stream for producing Linear Alpha Olefins.Type: ApplicationFiled: September 2, 2021Publication date: October 19, 2023Inventors: Shahid Azam, Abulrahman Ashri, Abdulmajeed Al-Hamdan, Sebastiano Licciulli, Ilia Korobkov, Abdullah Al-Dughaither, Zaid Binhazzaa
-
Patent number: 11472756Abstract: A method of separating linear alpha olefins includes: passing a feed stream comprising linear alpha olefins through a first column; distributing a C8? fraction to a top portion of the first column; distributing a C9+ fraction to a bottom portion of the first column; passing the C8? fraction directly to a top portion of a second column; passing the C9+ fraction directly to a bottom portion of a second column; distributing a C11+ fraction to the bottom portion of the second column; withdrawing a C10 fraction as a side draw from the second column; and passing a liquid stream and a vapor stream from the second column to the first column.Type: GrantFiled: December 19, 2017Date of Patent: October 18, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Jagan Mohan Rallapalli, Shahid Azam, Haresh Shakralal Patel
-
Patent number: 11420914Abstract: The present disclosure relates to a catalyst composition for the oligomerization of ethylene comprising a zirconium-containing catalyst and an organoaluminum-containing co-catalyst. The disclosure also relates to a process for oligomerization of ethylene in the presence of the catalyst composition according to the disclosure. The disclosed process results in C4-C20 linear alpha olefins having improved linearity.Type: GrantFiled: March 5, 2020Date of Patent: August 23, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Shahid Azam, Bander Bawareth, Mohammed H. Al-Hazmi, Dafer M. Alshahrani
-
Patent number: 11331655Abstract: A method for preparing a homogenous catalyst for the production of linear alpha olefins includes: preparing a first pre-catalyst solution comprising a modifier and an organoaluminum compound in a first solvent wherein the first pre-catalyst solution is reacted and stored in a first vessel for a period of time of 1 hour to 90 days; preparing a second pre-catalyst solution comprising a second solvent, a ligand, and a chromium containing compound, wherein the second pre-catalyst solution is stored in a second vessel for a period of time of 1 hour to 90 days; and after a period of time, adding the first pre-catalyst solution to a catalyst pre-formation unit; after the same period of time, adding the second pre-catalyst solution to the catalyst pre-formation unit; forming a homogenous catalyst by mixing the first pre-catalyst solution and the second pre-catalyst solution; adding the homogeneous catalyst to a reaction vessel, wherein the reaction vessel comprises an alpha olefin; and forming the linear alpha olefinType: GrantFiled: December 21, 2017Date of Patent: May 17, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Abdullah Saad Al-Dughaither, Shahid Azam, Abdulmajeed Mohammed Al-Hamdan, Dafer Mubarak Alshahrani, Sebastiano Licciulli, Anina Wohl, Wolfgang Muller, Heinz Bolt, Andreas Meiswinkel, Tobias Meier, Ralf Noack
-
Publication number: 20220143584Abstract: Systems and methods for using and regenerating a catalyst for producing acetic acid from ethane are disclosed. Feed stream comprising ethane and an oxidant including oxygen is flowed to a reactor, in which a catalyst comprising MoVNbPd oxide is disposed. The ethane and the oxidant are reacted in presence of the catalyst under reaction conditions sufficient to produce acetic acid. When the catalyst's ability to catalyze the reaction between the ethane and the oxidant is reduced by a predetermined percentage, the flow of the feed stream to the reactor is ceased. A regenerating gas stream is flowed through the reactor to contact the regenerating gas stream with the catalyst under operating conditions to increase the catalyst's ability to catalyze the reaction between the ethane and the oxidant.Type: ApplicationFiled: March 26, 2020Publication date: May 12, 2022Inventors: Srikant GOPAL, Turki AL-SMARI, Shahid AZAM, Khalid KARIM
-
Patent number: 11285469Abstract: A method for preparing a homogenous catalyst for use in preparing a linear alpha olefin includes: preparing a first pre-catalyst solution by mixing a chromium source and a ligand in a first solvent, wherein the first pre-catalyst solution is stored in a first vessel; preparing a second pre-catalyst solution by mixing an organoaluminum compound and a modifier in a second solvent, wherein the second pre-catalyst solution is stored in a second vessel; and simultaneously feeding the first pre-catalyst solution and the second pre-catalyst solution directly into a reaction vessel, wherein the reaction vessel includes a third solvent.Type: GrantFiled: December 28, 2017Date of Patent: March 29, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Abdullah Saad Al-Dughaither, Shahid Azam, Abdulmajeed Mohammed Al-Hamdan, Dafer Mubarak Alshahrani, Sebastiano Licciulli, Andreas Meiswinkel, Heinz Bolt, Wolfgang Muller, Anina Wohl
-
Patent number: 11254630Abstract: A method of separating linear alpha olefins, comprising: passing a feed stream comprising linear alpha olefins through a first column; distributing a C4? fraction to a top portion of the first column; withdrawing a C6+ fraction from a bottom portion of the first column and passing the C6+ fraction through a second column; distributing a C12+ fraction to a bottom portion of the second column; withdrawing a C10? fraction from a top portion of the second column and passing the C10? fraction through a third column, wherein the C10? fraction is substantially free of polymer; and distributing a C6 fraction to a top portion of the third column.Type: GrantFiled: December 19, 2017Date of Patent: February 22, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Dafer Mubarak Alshahrani, Shahid Azam, Abdullah Saad Al-Dughaither, Abdulmajeed Mohammed Al-Hamdan
-
Patent number: 11225444Abstract: A method of column control includes: passing a feed stream and a make-up stream through a column; withdrawing an overhead fraction from the column; purging at least a portion of the overhead fraction; cooling at least a portion of the overhead fraction in a heat exchanger and passing it through a reflux drum; withdrawing a purge stream and a distillate stream from the reflux drum, wherein the distillate stream has a constant flow rate; recycling at least a portion of the distillate stream back to the column; and passing at least a portion of the distillate stream to a downstream process.Type: GrantFiled: December 19, 2017Date of Patent: January 18, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Abdullah Saad Al-Dughaiter, Shahid Azam, Abdulmajeed Mohammed Al-Hamdan, Dafer Mubarak Alshahrani, Ralf Noack, Tobias Meier, Gabriel Waurick, Heinz Bolt, Andreas Meiswinkel, Wolfgang Müller, Anina Wohl, Hans-Jorge Zander
-
Publication number: 20210130265Abstract: A method of column control includes: passing a feed stream and a make-up stream through a column; withdrawing an overhead fraction from the column; purging at least a portion of the overhead fraction; cooling at least a portion of the overhead fraction in a heat exchanger and passing it through a reflux drum; withdrawing a purge stream and a distillate stream from the reflux drum, wherein the distillate stream has a constant flow rate; recycling at least a portion of the distillate stream back to the column; and passing at least a portion of the distillate stream to a downstream process.Type: ApplicationFiled: December 19, 2017Publication date: May 6, 2021Inventors: Abdullah Saad Al-Dughaiter, Shahid Azam, Abdulmajeed Mohammed Al-Hamdan, Dafer Mubarak Alshahrani, Ralf Noack, Tobias Meier, Gabriel Waurick, Heinz Bolt, Andreas Meiswinkel, Wolfgang Müller, Anina Wohl, Hans-Jorge Zander
-
Patent number: 10882926Abstract: The present invention relates to a method for preparing a catalyst composition for the oligomerization of ethylene and a respective catalyst composition pre-formation unit.Type: GrantFiled: January 11, 2012Date of Patent: January 5, 2021Assignee: SABIC Global Technologies B.V.Inventors: Anina Wohl, Wolfgang Muller, Heinz Bolt, Andreas Meiswinkel, Uwe Rosenthal, Bernd Muller, Normen Peulecke, Christian Thaller, Marco Harff, Stephan Peitz, Fuad Mosa, Mohammed H. Al-Hazmi, Shahid Azam
-
Patent number: 10793502Abstract: Disclosed herein is a method of purifying acetic acid. The method comprises passing a feed stream comprising acetic acid through a distillation column; contacting the acetic acid with a permanganate oxidizing agent and hydrogen gas within the distillation column; withdrawing an acetic acid product from the distillation column; and withdrawing a gaseous product stream from a top portion of the distillation column, wherein the gaseous product stream comprises ethane, methane, carbon dioxide, oxygen, nitrogen, or a combination comprising at least one of the foregoing.Type: GrantFiled: December 19, 2017Date of Patent: October 6, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Mohammed H. Al-Hazmi, Shahid Azam
-
Patent number: 10758881Abstract: A method for processing an oligomerization product stream includes discharging the oligomerization product stream from an oligomerization reactor through a product outlet line, and heating the oligomerization product stream, heating a wall of the product outlet line, or both. The oligomerization product stream includes solvent, linear alpha olefins, a polymer byproduct, or a combination of at least one of the foregoing. The heating is to a temperature that is greater than the melting temperature of the polymer byproduct present in the oligomerization product stream.Type: GrantFiled: March 17, 2017Date of Patent: September 1, 2020Assignees: SABIC GLOBAL TECHNOLOGIES B.V., LINDE AGInventors: Abdullah Alqahtani, Shahid Azam, Anina Wöhl, Wolfgang Müller, Andreas Meiswinkel, Heinz Bölt, Ralf Noack, Andreas Metzner, Andre Porebski, Tobias Meier
-
Patent number: 10758838Abstract: A process of purifying acetic acid is provided. The process includes feeding a stream of acetic acid into a distillation column and distilling acetic acid in the presence of an oxidizing agent in the distillation column, to oxidize oxidizable impurities in the acetic acid, wherein the oxidizing agent is an oxidant capable of cleaving C?C bonds. The process further includes removing a distilled acetic acid stream from the distillation column. Further processes for purifying acetic acid and systems for purifying acetic acid are also provided.Type: GrantFiled: February 23, 2016Date of Patent: September 1, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Roland Schmidt, Sebastiano Licciulli, Shahid Azam
-
Publication number: 20200222827Abstract: A process of purifying acetic acid is provided. The process includes feeding a feed stream comprising acetic acid into a bottom half of a distillation column and distilling the acetic acid in the presence of a homogeneous oxidizing agent in the distillation column, to oxidize oxidizable impurities in the acetic acid, wherein the homogeneous oxidizing agent is capable of cleaving C?C bonds. The process further includes removing a distilled acetic acid stream from the distillation column. Further processes for purifying acetic acid and systems for purifying acetic acid are also provided.Type: ApplicationFiled: March 25, 2020Publication date: July 16, 2020Inventors: Roland Schmidt, Sebastiano Licciulli, Shahid Azam
-
Publication number: 20200199039Abstract: The present disclosure relates to a catalyst composition for the oligomerization of ethylene comprising a zirconium-containing catalyst and an organoaluminum-containing co-catalyst. The disclosure also relates to a process for oligomerization of ethylene in the presence of the catalyst composition according to the disclosure. The disclosed process results in C4-C20 linear alpha olefins having improved linearity.Type: ApplicationFiled: March 5, 2020Publication date: June 25, 2020Inventors: Shahid Azam, Bander Bawareth, Mohammed H. Al-Hazmi, Dafer M. Alshahrani
-
Publication number: 20200139334Abstract: A method of temperature control includes: passing a feed stream comprising ethylene through a reactor at a feed location; withdrawing an outlet steam comprising linear alpha olefins from the reactor; passing the outlet stream through a condensate vessel, wherein the outlet stream is split into a vapor fraction and a liquid fraction within the condensate vessel; withdrawing the vapor fraction from the condensate vessel and recycling it back to the feed stream; and withdrawing the liquid fraction from the condensate vessel and injecting it into the reactor at an injection location.Type: ApplicationFiled: December 21, 2017Publication date: May 7, 2020Inventors: Abdullah Saad Al-Dughaiter, Shahid Azam, Abdulmajeed Mohammed Al-Hamdan, Dafer Mubarak Alshahrani, Ralf Noack, Tobias Meier, Gabriel Waurick, Heinz Bolt, Anina Wohl, Wolfgang Müller, Andreas Meiswinkel, Hans-Jorg Zander
-
Patent number: 10626063Abstract: The present disclosure relates to a catalyst composition for the oligomerization of ethylene comprising a zirconium-containing catalyst and an organoaluminum-containing co-catalyst. The disclosure also relates to a process for oligomerization of ethylene in the presence of the catalyst composition according to the disclosure. The disclosed process results in C4-C2o linear alpha olefins having improved linearity.Type: GrantFiled: July 14, 2015Date of Patent: April 21, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Shahid Azam, Bander Bawareth, Mohammed H. Al-Hazmi, Dafer M. Alshahrani
-
Publication number: 20200115296Abstract: A method of producing linear alpha olefins includes: introducing a catalyst stream and a first solvent stream to a reactor, wherein the reactor comprises a distributor; introducing a second solvent stream above the distributor, wherein the catalyst stream, the first solvent stream, and the second solvent stream form a reaction solution; introducing a feed stream to the reactor; passing the feed stream through the distributor; and passing the feed stream through the reaction solution, producing an oligomerization reaction forming the linear alpha olefins.Type: ApplicationFiled: December 19, 2017Publication date: April 16, 2020Inventors: Dafer Mubarak Al-Shahrani, Shahid Azam, Hans-Jörg Zander, Wolfgang Muller, Anina Wohl, Andreas Meiswinkel, Ralf Noack, Tobias Meier, Harald Schmaderer
-
Patent number: 10611706Abstract: A method of producing hexene includes: passing a feed stream comprising C1 to C24 hydrocarbons through a distillation column, wherein a reflux ratio of the distillation column is greater than or equal to 1.33; distributing a light fraction comprising C4-C6 hydrocarbons to a top portion of the distillation column; distributing a heavy fraction comprising C8-C12 hydrocarbons to a bottom portion of the distillation column; and withdrawing a top product comprising hexene from the distillation column.Type: GrantFiled: December 28, 2016Date of Patent: April 7, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Abdullah Saad Al-Dughaither, Shahid Azam, Adel Saeed Al-Dossari, Abdulmajeed Mohammed Al-Hamdan