Patents by Inventor Faissal-Ali El-Toufaili

Faissal-Ali El-Toufaili 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: 11739167
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide solutions wherein the units of the plant are located at two different locations A and B.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: August 29, 2023
    Assignee: BASF SE
    Inventors: Faissal-Ali El-Toufaili, Joerg Unger
  • Patent number: 11725102
    Abstract: Process of providing polyacrylamides to a site-of-use comprising at least the steps of mixing a polyacrylamide powder at a manufacturing site with an aqueous liquid, thereby obtaining a homogeneous aqueous polyacrylamide concentrate, transporting said concentrate in a transport unit from the manufacturing site to the site-of-use, and removing the homogeneous aqueous concentrate from the transport unit at the site-of-use. Process of treating subterranean, oil and/or gas bearing formations by injecting an aqueous treatment fluid into at least one wellbore, wherein the aqueous treatment fluid is manufactured by mixing at least an aqueous base fluid with said homogeneous aqueous polyacrylamide concentrate at the site-of-use.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: August 15, 2023
    Assignee: BASF SE
    Inventors: Faissal-Ali El-Toufaili, Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr, Jack F. Tinsley, Brent Busby, Daniel Barrera-Medrano
  • Publication number: 20230174685
    Abstract: Process for producing aqueous compositions of water-soluble polymers from aqueous polymer gels by comminuting and mixing the aqueous polymer gel with an aqueous liquid by means of a comminution unit comprising a flow-chamber, a sheet-like molding tool and rotating cutting means, wherein a stream of an aqueous liquid flows through the flow chamber, aqueous polymer gel is pressed through the sheet-like molding tool, cutting the thus formed gel strands into slices, dispersing them in the aqueous liquid and homogenizing the thus obtained mixture.
    Type: Application
    Filed: April 26, 2021
    Publication date: June 8, 2023
    Inventors: Dennis LOESCH, Esther Matyka LARYEA, Anna-Corina SCHMIDT, Faissal-Ali EL-TOUFAILI, Daniel BARRERA-MEDRANO, Markus OSTERMAYR
  • Patent number: 11643491
    Abstract: Process for producing aqueous polyacrylamide concentrates by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel, comminuting said aqueous polyacrylamide gel and mixing it with an aqueous liquid, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide concentrate hold in a suitable transport unit from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide, wherein the units of the plant are located at two different locations A and B.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: May 9, 2023
    Assignee: BASF SE
    Inventors: Faissal-Ali El-Toufaili, Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr, Jack F. Tinsley, Brent Busby
  • Publication number: 20230128528
    Abstract: Process and a plant for making polyacrylamides by polymerizing an aqueous solution comprising at least acrylamide and acrylic acid or salts thereof in the presence of initiators for radical polymerization under adiabatic conditions, wherein acrylamide and acrylic acid are stored at the site of the plant as dilute aqueous solutions in pressure-resistant tanks and also the monomer mixing vessel and the polymerization vessel are pressure-resistant. The combination of using diluted monomer solutions and pressure-resistant tanks ensures that even in case of an unintended and uncontrolled polymerization, said vessels don't burst and there is no spill out of the plant to the environment.
    Type: Application
    Filed: March 18, 2021
    Publication date: April 27, 2023
    Inventors: Faissal-Ali EL-TOUFAILI, Daniel BARRERA-MEDRANO, Dennis LOESCH, Anna-Corina SCHMIDT, Kristian Alexander GILL, Tobias Joachim ZIMMERMANN
  • Patent number: 11634515
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. The transportable polymerization unit comprises a cylindrical upper part, a conical part at its lower end, feeds for the aqueous monomer solution, a closable bottom opening, and means allowing to deploy the polymerization unit in a vertical manner.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: April 25, 2023
    Assignee: BASF SE
    Inventors: Hazel Sprafke, Tobias Joachim Zimmermann, Dirk Meckelnburg, Dennis Loesch, Markus Ostermayr, Faissal-Ali El-Toufaili
  • Patent number: 11634516
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide solutions wherein the units of the plant are located at two different locations A and B.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: April 25, 2023
    Assignee: BASF SE
    Inventors: Dennis Loesch, Tobias Joachim Zimmermann, Hazel Sprafke, Dirk Meckelnburg, Markus Ostermayr, Faissal-Ali El-Toufaili
  • Patent number: 11629205
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the process is carried out in a modular, relocatable plant. The plant preferably is deployed at a location at which aqueous polyacrylamide solutions are used, for example on an oilfield or in a mining area.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: April 18, 2023
    Assignee: BASF SE
    Inventors: Hazel Sprafke, Markus Ostermayr, Tobias Joachim Zimmermann, Dirk Meckelnburg, Dennis Loesch, Faissal-Ali El-Toufaili
  • Patent number: 11608468
    Abstract: Process of fracturing subterranean, oil-and/or gas-bearing formations by injecting an aqueous fracturing fluid into a wellbore at a rate and pressure sufficient to penetrate into the formation, and to initiate or extend fractures in the formation, wherein the aqueous fracturing fluid is obtained by mixing at least an aqueous base fluid and an aqueous polyacrylamide concentrate having a concentration of 3.1 to 14.9% by weight of polyacrylamides, relating to the total of all components of the aqueous polyacrylamide concentrate, and wherein at least a part of the aqueous fracturing fluid injected additionally comprises a proppant.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: March 21, 2023
    Assignee: BASF SE
    Inventors: Faissal-Ali El-Toufaili, Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr, Jack F. Tinsley, Brent Busby
  • Patent number: 11384177
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide obtained by hydrolyzing acrylonitrile in water in the presence of a biocatalyst capable of converting acrylonitrile to acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. The aqueous polyacrylamide gel furthermore comprises at least one stabilizer for prevention of polymer degradation.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: July 12, 2022
    Assignee: BASF SE
    Inventors: Tobias Joachim Zimmermann, Faissal-Ali El-Toufaili, Hazel Sprafke
  • Publication number: 20210347924
    Abstract: Process for producing aqueous polyacrylamide concentrates by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel, comminuting said aqueous polyacrylamide gel and mixing it with an aqueous liquid, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide concentrate hold in a suitable transport unit from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide, wherein the units of the plant are located at two different locations A and B.
    Type: Application
    Filed: October 17, 2019
    Publication date: November 11, 2021
    Inventors: Faissal-Ali El-Toufaili, Dennis Loesch, Anna-Corina Schmidt, Tobias Joachim Zimmermann, Markus Ostermayr, Jack F. Tinsley, Brent Busby
  • Publication number: 20210347977
    Abstract: Process of providing polyacrylamides to a site-of-use comprising at least the steps of mixing a polyacrylamide powder at a manufacturing site with an aqueous liquid, thereby obtaining a homogeneous aqueous polyacrylamide concentrate, transporting said concentrate in a transport unit from the manufacturing site to the site-of-use, and removing the homogeneous aqueous concentrate from the transport unit at the site-of-use. Process of treating subterranean, oil and/or gas bearing formations by injecting an aqueous treatment fluid into at least one wellbore, wherein the aqueous treatment fluid is manufactured by mixing at least an aqueous base fluid with said homogeneous aqueous polyacrylamide concentrate at the site-of-use.
    Type: Application
    Filed: October 17, 2019
    Publication date: November 11, 2021
    Inventors: Faissal-Ali EL-TOUFAILI, Dennis LOESCH, Anna-Corina SCHMIDT, Tobias Joachim ZIMMERMANN, Markus OSTERMAYR, Jack F. TINSLEY, Brent BUSBY, Daniel BARRERA-MEDRANO
  • Publication number: 20210301039
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide solutions wherein the units of the plant are located at two different locations A and B.
    Type: Application
    Filed: October 18, 2018
    Publication date: September 30, 2021
    Inventors: Faissal-Ali EL-TOUFAILI, Joerg UNGER
  • Publication number: 20210179758
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the process is carried out in a modular, relocatable plant. The plant preferably is deployed at a location at which aqueous polyacrylamide solutions are used, for example on an oilfield or in a mining area.
    Type: Application
    Filed: October 18, 2018
    Publication date: June 17, 2021
    Inventors: Hazel SPRAFKE, Markus OSTERMAYR, Tobias Joachim ZIMMERMANN, Dirk MECKELNBURG, Dennis LOESCH, Faissal-Ali EL-TOUFAILI
  • Publication number: 20210070904
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide solutions wherein the units of the plant are located at two different locations A and B.
    Type: Application
    Filed: October 18, 2018
    Publication date: March 11, 2021
    Applicant: BASF SE
    Inventors: Dennis LOESCH, Tobias Joachim ZIMMERMANN, Hazel SPRAFKE, Dirk MECKELNBURG, Markus OSTERMAYR, Faissal-Ali EL-TOUFAILI
  • Patent number: 10927222
    Abstract: A process for producing an aqueous polymer solution, including: (a) providing a hydrated polymer that has been prepared by aqueous solution polymerisation of ethylenically unsaturated monomers, which hydrated polymer contains at least 10% by weight active polymer; (b) cutting the hydrated polymer by subjecting the hydrated polymer to at least one cutting stage containing at least one stream of aqueous liquid at a pressure of at least 150 bar to reduce the size of the hydrated polymer; and (c) dissolving the hydrated polymer in an aqueous liquid so as to obtain an aqueous polymer solution. An apparatus for producing an aqueous polymer solution.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: February 23, 2021
    Assignee: BASF SE
    Inventors: Sandra Jeck, Oliver Soetje, Tobias Bringmann, Gabriela Eugenia Fonseca Zepeda, Dirk Meckelnburg, Dennis Loesch, Bjoern Langlotz, John Barratt, Faissal-Ali El-Toufaili, Hazel Sprafke, Bernd Schube, Markus Ostermayr
  • Publication number: 20200369811
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide obtained by hydrolyzing acrylonitrile in water in the presence of a biocatalyst capable of converting acrylonitrile to acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. The aqueous polyacrylamide gel furthermore comprises at least one stabilizer for prevention of polymer degradation.
    Type: Application
    Filed: October 18, 2018
    Publication date: November 26, 2020
    Inventors: Tobias Joachim ZIMMERMANN, Faissal-Ali EL-TOUFAILI, Hazel SPRAFKE
  • Publication number: 20200308314
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous monomer premix from a location A to a location B. Modular, relocatable plant for manufacturing aqueous polyacrylamide solutions wherein the units of the plant are located at two different locations A and B.
    Type: Application
    Filed: October 18, 2018
    Publication date: October 1, 2020
    Inventors: Hazel SPRAFKE, Dirk MECKELNBURG, Dennis LOESCH, Markus OSTERMAYR, Tobias Joachim ZIMMERMANN, Faissal-Ali EL-TOUFAILI
  • Publication number: 20200283675
    Abstract: Process for producing aqueous polyacrylamide solutions by polymerizing an aqueous solution comprising at least acrylamide thereby obtaining an aqueous polyacrylamide gel and dissolving said aqueous polyacrylamide gel in water, wherein the manufacturing steps are allocated to two different locations A and B and the process comprises the step of transporting an aqueous polyacrylamide gel hold in a transportable polymerization unit from a location A to a location B. The transportable polymerization unit comprises a cylindrical upper part, a conical part at its lower end, feeds for the aqueous monomer solution, a closable bottom opening, and means allowing to deploy the polymerization unit in a vertical manner.
    Type: Application
    Filed: October 18, 2018
    Publication date: September 10, 2020
    Inventors: Hazel SPRAFKE, Tobias Joachim ZIMMERMANN, Dirk MECKELNBURG, Dennis LOESCH, Markus OSTERMAYR, Faissal-Ali EL-TOUFAILI
  • Publication number: 20190300657
    Abstract: Described herein is a process for preparing solid acrylic acid polymers including: (a) preparing an aqueous acrylic acid polymer solution having a solids content of 30% to 70% by weight by free-radical polymerization, (b) neutralizing the aqueous acrylic acid polymer solution at least partly by adding a base, which results in release of a heat of neutralization, and concentrating the aqueous acrylic acid polymer solution by exploiting the heat of neutralization to give a highly concentrated acrylic acid polymer solution having a solids content of 60% to 80% by weight, (c) shaping and drying the highly concentrated acrylic acid polymer solution.
    Type: Application
    Filed: July 10, 2017
    Publication date: October 3, 2019
    Inventors: Faissal-Ali El-Toufaili, Timo Laubscher, Juergen Detering, Martin Keller, Ines Debeasuvais De Vasconcelos, Dominik Lanzinger