Patents by Inventor Marco Harff

Marco Harff 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: 20220241764
    Abstract: A catalyst composition including: (a) a chromium compound; (b) a ligand of the general structure (A) R1R2P—N(R3)—P(R4)—NR5R6 or (B) R1R2P—N(R3)—P(XR7)R8 or R1R2P—N(R3)—P(XR7)2, with X?O or S, wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently C1-C10-alkyl, C6-C20-aryl, C3-C10-cycloalkyl, aralkyl, alkylaryl, or trialkylsilyl, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNP-unit is a member of the ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution; and (c) an activator or co-catalyst; and a process for tri- and/or tetramerization.
    Type: Application
    Filed: April 18, 2022
    Publication date: August 4, 2022
    Applicant: SABIC Global Technologies B.V.
    Inventors: ANINA WOEHL, ANDREAS MEISWINKEL, HEINZ BOELT, BERND H. MUELLER, WOLFGANG MUELLER, NORMEN PEULECKE, UWE ROSENTHAL, MARCO HARFF, MOHAMMED H. AL-HAZMI, ABDULLAH ALQAHTANI
  • Patent number: 10882926
    Abstract: 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: Grant
    Filed: January 11, 2012
    Date of Patent: January 5, 2021
    Assignee: 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
  • Publication number: 20190322965
    Abstract: A process for flushing an oligomerization reactor is described, including flushing the oligomerization reactor with a flushing medium comprising C6 linear alpha olefins, C8 linear alpha olefins, C10 linear alpha olefins, or a combination including at least one of the foregoing, to provide a purge stream comprising the C6 linear alpha olefins, C8 linear alpha olefins, C10 linear alpha olefins, or a combination including at least one of the foregoing, and a polymer byproduct of an oligomerization reaction. A process for the oligomerization of an olefin is also described, wherein the process includes oligomerizing the olefin in the reactor to form a reaction product stream comprising linear alpha olefins, and subsequently flushing the oligomerization reactor according to the process disclosed herein.
    Type: Application
    Filed: December 1, 2016
    Publication date: October 24, 2019
    Inventors: Abdullah Alqahtani, Shahid Azam, Shehzada Khurram, Anina Wöhl, Wolfgang Müller, Andreas Meiswinkel, Heinz Bölt, Ralf Noack, Marco Harff, Gabriel Waurick, Tobias Meier
  • Patent number: 10421064
    Abstract: The present invention relates to a catalyst composition and a process for the oligomerization of ethylene to produce 1-hexene or 1-octene, wherein the catalyst composition comprises a chromium compound; an NPNPN ligand of the formula (R1) (R2)N—P(R3)—N(R4)—P(R5)—N(R6)(R7), wherein R1, R2, R3, R4, R5, R6 and R7 are each independently hydrogen, halogen, amino, trimethylsilyl or C1-C20 hydrocarbyl, preferably straight-chain or branched C1-C10 alkyl, phenyl, C6-C20 aryl or C6-C20 alkyl-substituted phenyl.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: September 24, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Mohammed H. Al-Hazmi, Abdullah Alqahtani, Uwe Rosenthal, Bernd H. Muller, Normen Peulecke, Marco Harff, Anina Wohl, Andreas Meiswinkel, Heinz Bolt, Wolfgang Muller
  • Patent number: 10407359
    Abstract: A process for deactivation of an olefin oligomerization catalyst is described, including contacting a catalyst composition with a catalyst quenching medium to form a deactivated catalyst composition, and recovering excess catalyst quenching medium. The catalyst quenching medium includes an alcohol having at least 6 carbon atoms, an organic amine, an amino alcohol, or a combination comprising at least one of the foregoing. The catalyst quenching medium is present in a molar ratio of catalyst quenching medium to catalyst of at least 3:1. A process for the oligomerization of an olefin is also described, including feeding the olefin, a solvent, and a catalyst composition into a reactor, oligomerizing the olefin in the reactor to form a reaction product stream including linear alpha olefins, solvent, and the catalyst composition, and contacting the reaction product stream with a catalyst quenching medium.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: September 10, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Abdullah Alqahtani, Anina Wöhl, Wolfgang Müller, Marco Harff, Heinz Bölt, Andreas Metzner, Ralf Noack, Lars-Erik Gärtner, Andreas Meiswinkel
  • Publication number: 20190210011
    Abstract: A catalyst composition including: (a) a chromium compound; (b) a ligand of the general structure R1R2P—N(R3)—P(XR7)2, wherein X is O or S, R1, R2, and R3 are each independently C1-C10-alkyl, C6-C20-cycloalkyl, arylalkyl, alkylaryl, or trialkylsilyl, or any cyclic derivatives of the ligand, wherein at least one of the P or N atoms of the PNP-unit is a member of the ring system, the ring system being formed from one or more constituent compounds of the ligand by substitution, and R7 is C1-C10-alkyl, C3-C10-cycloalkyl, arylalkyl, or trialkylsilyl; and (c) an activator or co-catalyst.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Inventors: ANINA WOEHL, ANDREAS MEISWINKEL, HEINZ BOELT, BERND H. MUELLER, WOLFGANG MUELLER, NORMEN PEULECKE, UWE ROSENTHAL, MARCO HARFF, MOHAMMED H. AL-HAZMI, ABDULLAH ALQAHTANI
  • Patent number: 10265690
    Abstract: A catalyst composition including: (a) a chromium compound; (b) a ligand of the general structure R1R2P—N(R3)—P(R4)—NR5R6 or??(A) R1R2P—N(R3)—P(XR7)R8 or R1R2P—N(R3)—P(XR7)2, with X?O or S,??(B) wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently C1-C10-alkyl, C6-C20-aryl, C3-C10-cycloalkyl, aralkyl, alkylaryl, or trialkylsilyl, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNP-unit is a member of the ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution; and (c) an activator or co-catalyst; and a process for tri- and/or tetramerization.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: April 23, 2019
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, LINDE AG
    Inventors: Anina Woehl, Andreas Meiswinkel, Heinz Boelt, Bernd H. Mueller, Wolfgang Mueller, Normen Peulecke, Uwe Rosenthal, Marco Harff, Mohammed H. Al-Hazmi, Abdullah Alqahtani
  • Patent number: 10112876
    Abstract: The present invention relates to a process for the oligomerization of ethylene, comprising: a) oligomerization of ethylene in a reactor in the presence of solvent and catalyst; b) transferring reactor overhead effluent to an externally located cooling device and recycling condensed effluent into the reactor; c) transferring the reactor bottom effluent to a series of fractionation columns and, in the following order, i) optionally separating a C4 fraction, ii) separating a C6 fraction, iii) simultaneously separating C8 and C10 fractions and recycling thereof into the reactor , and iv) separating residues comprising ?C12 fractions, spent catalyst polymer material and quench media, from the process, wherein the solvent is separated in any of the steps i)-iv)and/or in an additional step.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: October 30, 2018
    Assignee: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: Shahid Majeed Azam, Abduljelil Iliyas, Abdullah Mohammad Alqahtani, Shehzada Khurram, Anina Wöhl, Wolfgang Müller, Marco Harff, Andreas Meiswinkel, Heinz Bölt
  • Publication number: 20180258009
    Abstract: A process for deactivation of an olefin oligomerization catalyst is described, including contacting a catalyst composition with a catalyst quenching medium to form a deactivated catalyst composition, and recovering excess catalyst quenching medium. The catalyst quenching medium includes an alcohol having at least 6 carbon atoms, an organic amine, an amino alcohol, or a combination comprising at least one of the foregoing. The catalyst quenching medium is present in a molar ratio of catalyst quenching medium to catalyst of at least 3:1. A process for the oligomerization of an olefin is also described, including feeding the olefin, a solvent, and a catalyst composition into a reactor, oligomerizing the olefin in the reactor to form a reaction product stream including linear alpha olefins, solvent, and the catalyst composition, and contacting the reaction product stream with a catalyst quenching medium.
    Type: Application
    Filed: September 13, 2016
    Publication date: September 13, 2018
    Applicants: SABIC Global Technologies B.V., LINDE AG
    Inventors: Abdullah Alqahtani, Anina Wöhl, Wolfgang Müller, Marco Harff, Heinz Bölt, Andreas Metzner, Ralf Noack, Lars-Erik Gärtner, Andreas Meiswinkel
  • Patent number: 9896392
    Abstract: The present invention relates to a method for oligomerization of ethylene, comprising the steps: a) feeding ethylene, solvent and a catalyst composition comprising catalyst and cocatalyst into a reactor, b) oligomerizing ethylene in the reactor, c) discharging a reactor effluent comprising linear alpha-olefins including 1-butene, solvent, unconsumed ethylene dissolved in the reactor effluent, and catalyst composition from the reactor, d) separating ethylene and 1-butene collectively from the remaining reactor effluent, and e) recycling at least a part of the ethylene and the 1-butene separated in step d) into the reactor.
    Type: Grant
    Filed: June 5, 2013
    Date of Patent: February 20, 2018
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, LINDE AG
    Inventors: Andreas Meiswinkel, Wolfgang Mueller, Anina Woehl, Marco Harff, Heinz Bolt, Karl-Heinz Hofmann, Hans-Jorg Zander, Anton Wellenhofer, Abduljelil Iliyas, Shehzada Khurram, Shahid Azam, Abdullah Al-Qahtani
  • Publication number: 20170203288
    Abstract: The present invention relates to a catalyst composition and a process for the oligomerization of ethylene to produce 1-hexene or 1-octene, wherein the catalyst composition comprises a chromium compound; an NPNPN ligand of the formula (R1) (R2)N—P(R3)—N(R4)—P(R5)—N(R6)(R7), wherein R1, R2, R3, R4, R5, R6 and R7 are each independently hydrogen, halogen, amino, tri-methylsilyl or C1-C20 hydrocarbyl, preferably straight-chain or branched C1-C10 alkyl, phenyl, C6-C20 aryl or C6-C20 alkyl-substituted phenyl.
    Type: Application
    Filed: July 22, 2015
    Publication date: July 20, 2017
    Inventors: MOHAMMED H. AL-HAZMI, ABDULLAH ALQAHTANI, UWE ROSENTHAL, BERND H. MULLER, NORMEN PEULECKE, MARCO HARFF, ANINA WOHL, ANDREAS MEISWINKEL, HEINZ BOLT, WOLFGANG MULLER
  • Publication number: 20170165657
    Abstract: A pre-formation unit, includes: a first vessel comprising a solution of co-catalyst and modifier; a second vessel comprising chromium compound and ligand; wherein the first and second vessel are connected via lines to a mixing unit, wherein each line has a flow control valve; wherein the mixing unit is connected via a line having a flow control valve to an oligomerization reactor; wherein gas inlets are each connected to the first vessel and to the second vessel, and wherein a portion of each of the first vessel, the second vessel, the mixing unit, and the flow control valves are within a temperature controlled enclosure.
    Type: Application
    Filed: February 3, 2015
    Publication date: June 15, 2017
    Inventors: Shehzada Khurram, Shahid Azam, Abdullah Mohammad Al-Qahtani, Abduljelil Iliyas, Andreas Meiswinkel, Wolfgang Mueller, Anina Woehl, Marco Marco Harff, Heinz Boelt
  • Publication number: 20170128925
    Abstract: A catalyst composition including: (a) a chromium compound; (b) a ligand of the general structure R1R2P—N(R3)—P(R4)—NR5R6 or??(A) R1R2P—N(R3)—P(XR7)R8 or R1R2P—N(R3)—P(XR7)2, with X=O or S,??(B) wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently C1-C10-alkyl, C6-C20-aryl, C3-C10-cycloalkyl, aralkyl, alkylaryl, or trialkylsilyl, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNP-unit is a member of the ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution; and (c) an activator or co-catalyst; and a process for tri- and/or tetramerization.
    Type: Application
    Filed: December 15, 2016
    Publication date: May 11, 2017
    Inventors: ANINA WOEHL, ANDREAS MEISWINKEL, HEINZ BOELT, BERND H. MUELLER, WOLFGANG MUELLER, NORMEN PEULECKE, UWE ROSENTHAL, MARCO HARFF, MOHAMMED H. AL-HAZMI, ABDULLAH ALQAHTANI
  • Patent number: 9561500
    Abstract: A catalyst composition including: (a) a chromium compound; (b) a ligand of the general structure (A) R1R2P—N(R3)—P(R4)—NR5R6 or (B) R1R2P—N(R3)—P(XR7)R8 or R1R2P—N(R3)—P(XR7)2, with X=O or S, wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently C1-C10-alkyl, C6-C20-aryl, C3-C10-cycloalkyl, aralkyl, alkylaryl, or trialkylsilyl, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNP-unit is a member of the ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution; and (c) an activator or co-catalyst; and a process for tri- and/or tetramerization.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: February 7, 2017
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, LINDE AG
    Inventors: Anina Woehl, Andreas Meiswinkle, Heinz Boelt, Bernd H. Mueller, Wolfgang Mueller, Normen Peulecke, Uwe Rosenthal, Marco Harff, Mohammed H. Al-Hazmi, Abdullah Al-Qahtani
  • Publication number: 20160167033
    Abstract: A catalyst composition including: (a) a chromium compound; (b) a ligand of the general structure (A) R1R2P—N(R3)—P(R4)—NR5R6 or (B) R1R2P—N(R3)—P(XR7)R8 or R1R2P—N(R3)—P(XR7)2, with X=O or S, wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently C1-C10-alkyl, C6-C20-aryl, C3-C10-cycloalkyl, aralkyl, alkylaryl, or trialkylsilyl, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNP-unit is a member of the ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution; and (c) an activator or co-catalyst; and a process for tri- and/or tetramerization.
    Type: Application
    Filed: July 28, 2014
    Publication date: June 16, 2016
    Applicants: Saudi Basic Industries Corporation, Linde AG
    Inventors: ANINA WOEHL, ANDREAS MEISWINKLE, HEINZ BOELT, BERND H. MUELLER, WOLFGANG MUELLER, NORMEN PEULECKE, UWE ROSENTHAL, MARCO HARFF, MOHAMMED H. AL-HAZMI, ABDULLAH AL-QAHTANI
  • Patent number: 9340471
    Abstract: A process for oligomerization of ethylene, comprising subjecting a catalyst composition to a gas phase of ethylene and conducting an oligomerization, wherein the catalyst composition comprises (a) a chromium compound, (b) a metalated ligand, and (c) an activator or cocatalyst; and catalyst composition as well as a metalated ligand.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: May 17, 2016
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, LINDE AG
    Inventors: Abdullah Mohammad Al-Qahtani, Mohammed H. Al-Hazmi, Uwe Rosenthal, Bernd H. Müller, Normen Peulecke, Marco Harff, Anina Wöhl, Andreas Meiswinkel, Heinz Bölt, Wolfgang Müller
  • Patent number: 9284238
    Abstract: The present invention relates to a method for purification of a hydrocarbon stream containing linear alpha olefins, isomers thereof and at least one organic amine, the linear alpha olefins, isomers and the amine having boiling points under atmospheric pressure which differ by at most 5° C., comprising the step of removing a major amount of the organic amine from the hydrocarbon stream by distillation, wherein the distillation is carried out to that, together with the amine, between 5% and 95 wt % of the isomers, based on the total amount of the isomers in the hydrocarbon stream, are removed from the hydrocarbon stream in an amine/isomer-rich fraction.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: March 15, 2016
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, LINDE AG
    Inventors: Wolfgang Müller, Marco Harff, Anton Wellenhofer, Anina Wöhl, Heinz Bölt, Andreas Meiswinkel
  • Patent number: 9221856
    Abstract: The present invention relates to a method for purifying a crude PNPNH compound by metalation and re-protonation.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: December 29, 2015
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, LINDE AG
    Inventors: Uwe Rosenthal, Bernd H. Müller, Normen Peulecke, Marco Harff, Anina Wöhl, Andreas Meiswinkel, Heinz Bölt, Wolfgang Müller, Abdullah Mohammad Al-Qahtani, Mohammed H. Al-Hazmi, Shahid Majeed Azam
  • Patent number: 9206207
    Abstract: A method for purifying a crude PNPNH compound of the general structure R1R2P—N(R3)—P(R4)—N(R5)—H wherein R1, R2, R3, R4 and R5 are independently halogen, amino, trimethylsilyl, C1-C10-alkyl, substituted C1-C10-alkyl, C6-C20-aryl and substituted C6-C20-aryl, or any cyclic derivative wherein at least one of the P or N atoms of the PNPN—H structure is a member of a ring system, the ring system being formed from one or more constituent compounds of the PNPNH-structure by substitution, the method comprising the steps: A. a) dissolving the crude PNPNH-compound in a C1-C10 alcohol or mixture thereof under heating; b) cooling the solution obtained in step a), c) precipitating the PNPNH compound, separating and optionally drying, or B. (i) washing the crude PNPNH compound with C1-C10 alcohol or a mixture thereof, (ii) separating the PNPNH compound and optionally drying thereof.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: December 8, 2015
    Assignees: SAUDI BASIC INDUSTRIES CORPORATION, LINDE AG
    Inventors: Uwe Rosenthal, Bernd H. Müller, Normen Peulecke, Marco Harff, Anina Wöhl, Andreas Meiswinkel, Heinz Bölt, Wolfgang Müller, Abdullah Mohammad Al-Qahtani, Mohammed H. Al-Hazmi, Shahid Majeed Azam
  • Publication number: 20150299069
    Abstract: The present invention relates to a process for the oligomerization of ethylene, comprising: a) oligomerizing of ethylene in a reactor in the presence of solvent and catalyst; b) transferring reactor overhead effluent to an externally located cooling device and recycling condensed effluent into the reactor; c) transferring the reactor bottom effluent to a series of fractionation columns and, in the following order, i) optionally separating C4 fraction, ii) separating C6 fraction, iii) simultaneously separating C8 and C10 fractions and recycling thereof into the reac-tor, and iv) separating residues comprising ?C12 fractions, spent catalyst, polymer material and quench media, from the process, wherein the solvent is separated in any of the steps i)-iv) and/or in an additional step.
    Type: Application
    Filed: September 5, 2013
    Publication date: October 22, 2015
    Inventors: Shahid Majeed Azam, Abduljelil Iliyas, Abdullah Mohammad Alqahtani, Shehzada Khurram, Anina Wöhl, Wolfgang Müller, Marco Harff, Andreas Meiswinkel, Heinz Bölt