Patents by Inventor Scott J. Weigel

Scott J. Weigel 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: 20250121357
    Abstract: Methods are provided for making amine-functionalized organosilica materials that include additional amine functionalities that are grafted to the composition after the initial synthesis. Methods of using such materials are also provided. It has been discovered that additional aminosilyl groups can be grafted onto amine-functionalized organosilica materials under conditions that substantially preserve the original CO2 sorption capacity of the underlying organosilica material prior to grafting. This allows the additional amines in the grafted aminosilyl groups to increase the net capacity of the grafted material, as opposed to primarily replacing the original CO2 sorption capacity with the sorption capacity of the grafted amine functionalities.
    Type: Application
    Filed: October 15, 2024
    Publication date: April 17, 2025
    Inventors: David C. CALABRO, Shabab A. ABEDI, Hilda B. VROMAN, Peter I. RAVIKOVITCH, Giovanni M. MURARO, Scott J. WEIGEL
  • Publication number: 20250115486
    Abstract: The present disclosure relates to a method of making crystalline materials of *BEA framework type. The present disclosure also relates to crystalline materials of *BEA framework type obtainable by said method and uses thereof. The method of making includes using 1,1-(pentane-1,5-diyl)bis(1-propylpyrrolidinium) dication as a structure directing agent for forming the crystalline materials of *BEA framework type.
    Type: Application
    Filed: October 4, 2024
    Publication date: April 10, 2025
    Inventors: Marc H. ANTHONIS, Sina SARTIPI, Scott J. WEIGEL
  • Publication number: 20250033029
    Abstract: Monolith structures coated with porous solids are provided that can serve as structural materials for amine sorbents, such as polyamine sorbents. By using monolith structures that are coated with suitable porous solids, the sorption capacity of an amine sorbent material that is deposited on the monolith coated with the porous solid can be substantially maintained as the loading density of the amine is increased. This can allow for higher productivity sorption systems by allowing higher concentrations of amine to be effectively used while still substantially maintaining the favorable sorption characteristics of the amine sorbent.
    Type: Application
    Filed: July 25, 2024
    Publication date: January 30, 2025
    Inventors: Wesley SATTLER, Scott J. WEIGEL, Aaron W. PETERS, Keith HAJKOWSKI, Ryan DUGAN, Nicole HERB, Edward J. LEE, Jason C. MICHL, Julio CASTILLO
  • Publication number: 20250001404
    Abstract: Disclosed is a method of synthesizing aluminum-rich molecular sieve of *MRE framework type, comprising the steps of preparing a synthesis mixture comprising at least one source of silica, at least one source of alumina having a low water solubility, at least one source of hydroxide ions, at least one source of alkali and/or alkaline earth metal M, at least one source of diquaternary alkylammonium structure directing agent R, water and optional seed crystals.
    Type: Application
    Filed: August 26, 2021
    Publication date: January 2, 2025
    Inventors: Sina Sartipi, Marc H. Anthonis, Scott J. Weigel, Allen W. Burton
  • Publication number: 20240359168
    Abstract: The present disclosure provides mesoporous catalyst compounds and compositions having one or more group 13 atoms. The present disclosure further relates to processes for converting hydrocarbon feedstocks to small olefins. In one aspect, a catalyst compound includes a zeolite having a structural type selected from MFI, MSE, MTW, Theta-One (TON), Ferrierite (FER), AFI, AFS, ATO, BEA, BEC, BOG, BPH, CAN, CON, EMT, EON, EZT, FAU, GME, GON, IFR, ISV, ITN, IWR, IWW, LTL, MAZ, MEI, MOR, MOZ, OFF, OKO, OSI, SAF, SAO, SEW, SFE, SFO, SSF, SSY, and USI, or a combination thereof, the zeolite having a silicon to aluminum molar ratio (Si/Al ratio) of from about 5 to about 40. In one aspect, a catalyst composition includes the catalyst compound and one or more group 13 metal.
    Type: Application
    Filed: July 11, 2024
    Publication date: October 31, 2024
    Inventors: Tilman W. Beutel, Gerardo J. Majano Sanchez, Walter Weissman, Brian M. Weiss, Himanshu Gupta, John F. Brody, Scott J. Weigel
  • Publication number: 20240278208
    Abstract: Provided are metal-organic frameworks made by the process of comprising the steps of reacting a first metal source that can generate a tetravalent metal cation in solution, a linear dicarboxylic acid, a second metal source that can generate a divalent cation in solution, and one or more monocarboxylic acid modulators in a solvent to provide a reaction solution. The reaction solution is heated to provide a metal-organic framework having between about 0 wt. % to 10 wt. % of divalent cation, surface area between about 1100 m2/g and 2700 m2/g, a porosity of between about 0.45 cc/g and 1.1 cc/g, and a relative intensity equal to or greater than 0.35 and a peak width ratio of less than 3.0.
    Type: Application
    Filed: June 23, 2022
    Publication date: August 22, 2024
    Inventors: Joseph M. Falkowski, Mary S. Abdulkarim, Sophie Liu, Scott J. Weigel, Trong D. Pham
  • Patent number: 12064752
    Abstract: The present disclosure provides mesoporous catalyst compounds and compositions having one or more group 13 atoms. The present disclosure further relates to processes for converting hydrocarbon feedstocks to small olefins. In one aspect, a catalyst compound includes a zeolite having a structural type selected from MFI, MSE, MTW, Theta-One (TON), Ferrierite (FER), AFI, AFS, ATO, BEA, BEC, BOG, BPH, CAN, CON, EMT, EON, EZT, FAU, GME, GON, IFR, ISV, ITN, IWR, IWW, LTL, MAZ, MEI, MOR, MOZ, OFF, OKO, OSI, SAF, SAO, SEW, SFE, SFO, SSF, SSY, and USI, or a combination thereof, the zeolite having a silicon to aluminum molar ratio (Si/Al ratio) of from about 5 to about 40. In one aspect, a catalyst composition includes the catalyst compound and one or more group 13 metal.
    Type: Grant
    Filed: January 22, 2020
    Date of Patent: August 20, 2024
    Assignee: ExxonMobil Technology and Engineering Company
    Inventors: Tilman W. Beutel, Gerardo J. Majano Sanchez, Walter Weissman, Brian M. Weiss, Himanshu Gupta, John F. Brody, Scott J. Weigel
  • Patent number: 12030845
    Abstract: Isomerization of normal paraffins to form branched paraffins may be complicated by significant cracking of C7+ paraffins under isomerization reaction conditions. This issue may complicate upgrading of hydrocarbon feeds having significant quantities of heavier normal paraffins. Cracking selectivity may be decreased by combining one or more naphthenic compounds with a feed mixture comprising at least one C7+ normal paraffin and/or by utilizing tungstated zirconium catalysts having decreased tungsten loading. Further, C5 and C6 normal paraffins may undergo isomerization in the presence of C7+ normal paraffins.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: July 9, 2024
    Assignee: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
    Inventors: Wesley Sattler, Jihad M. Dakka, Guang Cao, Xinrui Yu, Brandon M. Carcuffe, Jason M. Golias, Scott J. Weigel, Carolyn M. Aimino, Megan E. Witzke
  • Publication number: 20240216898
    Abstract: An isomerization catalyst is provided, along with corresponding systems and methods, which provides improved isomerization for bio-derived feeds in reaction environments where by-products from deoxygenation are present. The catalyst provides unexpectedly increased activity and/or selectivity in situations where, for example, a deoxygenation effluent is cascaded to the isomerization catalyst. Additionally, the isomerization catalyst can assist with reducing or minimizing hydrogen consumption during isomerization. The increased activity, stability, and/or reduced hydrogen consumption is achieved in part based on using a dispersion agent when adding base metals to the catalyst. In addition to the base metals, the catalyst includes a zeolitic framework structure suitable for isomerization.
    Type: Application
    Filed: December 21, 2023
    Publication date: July 4, 2024
    Inventors: Megan E. Witzke, Randolph J. SMILEY, Chuansheng BAI, Scott J. WEIGEL, Xiaochun XU
  • Publication number: 20240218259
    Abstract: Systems and methods are provided for reducing hydrogen consumption during deoxygenation of bio-derived (or at least partially bio-derived) feedstocks. The reduced hydrogen consumption is achieved by performing the deoxygenation in the presence of a bulk multimetallic catalyst and/or in the presence of a base metal dewaxing catalyst having reduced metal stack heights. Additionally, due in part to being able to reduce or minimize hydrogen consumption, the heat release during deoxygenation can also be reduced, thus allowing a smaller catalyst volume to perform deoxygenation.
    Type: Application
    Filed: December 21, 2023
    Publication date: July 4, 2024
    Inventors: Megan E. WITZKE, Randolph J. SMILEY, Chuansheng BAI, Scott J. WEIGEL, Xiaochun XU
  • Patent number: 11986807
    Abstract: Catalyst composition which comprises a first zeolite having a BEA* framework type and a second zeolite having a MOR framework type and a mesopore surface area of greater than 30 m2/g is disclosed. These catalyst compositions are used to remove catalyst poisons from untreated feed streams having one or more impurities which cause deactivation of the downstream catalysts employed in hydrocarbon conversion processes, such as those that produce mono-alkylated aromatic compounds.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: May 21, 2024
    Assignee: ExxonMobil Engineering & Technology Company
    Inventors: Matthew S. Ide, Doron Levin, Wenyih F. Lai, Ivy D. Johnson, Scott J. Weigel, Brett T. Loveless
  • Publication number: 20240101435
    Abstract: Disclosed is a method of synthesizing a molecular sieve of MWW framework type, and molecular sieves so synthesized. The method comprises preparing a synthesis mixture for forming a molecular sieve of MWW framework type, said synthesis mixture comprising water, a silicon source, a source of a trivalent element X, a structure directing agent R, a source of alkali or alkaline earth metal cation M, and a source of poly(diallyldimethyl ammonium) cation (PDDA).
    Type: Application
    Filed: March 2, 2022
    Publication date: March 28, 2024
    Inventors: Sina Sartipi, Marc H. Anthonis, Aaron W. Peters, Scott J. Weigel
  • Publication number: 20240093100
    Abstract: Provided herein are catalysts for dewaxing of a feedstock, the catalyst comprising between about 40 wt. % and about 99.9 wt. % zeolite, between about 0 wt. % and about 40 wt. % binder and at least about 0.1 wt. % noble metal, as well as catalyst systems, methods and products produced using the catalysts. The zeolite having a crystal comprising a largest included sphere less than or equal to about 7.5 angstroms, a largest diffusing sphere greater than or equal to about 5.0 angstroms, and a silica to alumina ratio greater than or equal to about 100:1. The catalyst having a temperature-programmed ammonia desorption (“TPAD”) of less than about 0.25 mmol/g.
    Type: Application
    Filed: January 24, 2022
    Publication date: March 21, 2024
    Applicant: ExxonMobil Technology and Engineering Company
    Inventors: William J. Knaeble, Scott J. Weigel, Preeti Kamakoti
  • Patent number: 11873453
    Abstract: Provided herein are methods and systems of making a high quality isoparaffinic base stock which include contacting an adsorbent material with a hydrocarbon feedstock and a solvent and separating at least some of the one or more high VI components from the hydrocarbon feedstock to produce a first fraction base stock having a first fraction base stock viscosity index. The adsorbent material is desorbed with a second solvent to produce a second fraction base stock having a second fraction base stock viscosity index. In these methods, the first fraction base stock viscosity index is less than the hydrocarbon feedstock viscosity index and the second fraction base stock viscosity index is greater than the hydrocarbon feedstock viscosity index.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: January 16, 2024
    Assignee: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
    Inventors: Randall D. Partridge, Changyub Paek, Yogesh V. Joshi, Carmen C. Lasso, Scott J. Weigel
  • Publication number: 20240001335
    Abstract: Methods are provided for synthesizing metal-organic framework compositions using synthesis mixtures with elevated solids content and/or elevated kinematic viscosity. The methods can allow for formation of MOF-274 metal-organic framework compositions, such as EMM-67 (a mixed-metal MOF-274 metal-organic composition). More generally, the methods can allow for formation of MOF structures that include multi-ring disalicylate organic linkers using synthesis mixtures that contain a reduced or minimized amount of solvent, such as down to having substantially no solvent in the synthesis mixture.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 4, 2024
    Inventors: Anna C. IVASHKO, Aaron W. PETERS, Preeti KAMAKOTI, Scott J. WEIGEL, Matthew T. KAPELEWSKI, Nicole M. HERB, Roxana PEREZ VELEZ, Marc H. ANTHONIS, Doron LEVIN, Tara L. REDDINGTON
  • Publication number: 20240002417
    Abstract: Methods are provided for synthesizing metal organic framework compositions in an aqueous environment and/or in a mixed alcohol/water solvent. The methods can allow for formation of MOF-274 metal organic framework compositions, such as EMM-67 (a mixed metal MOF-274 metal organic framework composition). More generally, the methods can allow for formation of MOF structures that include disalicylate linkers in an aqueous environment and/or in a mixed alcohol/water solvent.
    Type: Application
    Filed: July 1, 2022
    Publication date: January 4, 2024
    Inventors: Anna C. IVASHKO, Carter W. ABNEY, Nicole M. HERB, Preeti KAMAKOTI, Aaron W. PETERS, Matthew T. KAPELEWSKI, Marc H. ANTHONIS, Roxana PEREZ VELEZ, Nadya A. HRYCENKO, Doron LEVIN, Tara L. REDDINGTON, Scott J. WEIGEL
  • Patent number: 11745168
    Abstract: Tungstated zirconium catalysts for paraffin isomerization may comprise: a mixed metal oxide that is at least partially crystalline and comprises tungsten, zirconium, and a variable oxidation state metal selected from Fe, Mn, Co, Cu, Ce, Ni, and any combination thereof. The mixed metal oxide comprises about 5 wt. % to about 25 wt. % tungsten, about 40 wt. % to about 70 wt. % zirconium, and about 0.01 wt. % to about 5 wt. % variable oxidation state metal, each based on a total mass of the mixed metal oxide. The mixed metal oxide has a total surface area of about 50 m2/g or greater as measured according to ISO 9277, and at least one of the following: an ammonia uptake of about 0.05 to about 0.3 mmol/g as measured by temperature programmed adsorption/desorption, or a collidine uptake of about 100 ?mol/g or greater as measured gravimetrically.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: September 5, 2023
    Assignee: ExxonMobil Technology and Engineering Company
    Inventors: Scott J. Weigel, Megan E. Witzke, Wesley Sattler, Brandon M. Carcuffe, Jihad M. Dakka, Ryan S. Dugan
  • Patent number: 11739274
    Abstract: A hydrocarbon feed stream, particularly one comprising heavier hydrocarbons, may be converted to valuable products such as motor gasoline and/or lubricating oil by employing one or more MOF catalysts, which may be prepared from a precursor metal-organic framework (MOF). A MOF catalyst may be prepared by exchanging one or more organic linking ligands of the precursor MOF for an organic linking ligand having a different acidity and/or electron-withdrawing properties, which, in turn, may affect catalytic activity.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: August 29, 2023
    Assignee: Exxon Mobil Technology and Engineering Company
    Inventors: Brandon J. O'Neill, Joseph M. Falkowski, Allen W. Burton, Scott J. Weigel
  • Publication number: 20230249167
    Abstract: Catalyst composition which comprises a first zeolite having a BEA* framework type and a second zeolite having a MOR framework type and a mesopore surface area of greater than 30 m2/g is disclosed. These catalyst compositions are used to remove catalyst poisons from untreated feed streams having one or more impurities which cause deactivation of the downstream catalysts employed in hydrocarbon conversion processes, such as those that produce mono-alkylated aromatic compounds.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 10, 2023
    Inventors: Matthew S. Ide, Doron Levin, Wenyih F. Lai, Ivy D. Johnson, Scott J. Weigel, Brett T. Loveless
  • Patent number: 11673127
    Abstract: Methods are provided for formulation of catalysts with improved catalyst exposure lifetimes under oxygenate conversion conditions. In various additional aspects, methods are described for performing oxygenate conversion reactions using such catalysts with improved catalyst exposure lifetimes. The catalyst formulation methods can include formulation of oxygenate conversion catalysts with binders that are selected from binders having a surface area of roughly 250 m2/g or less, or 200 m2/g or less. In various aspects, during formulation, a weak base can be added to the zeotype crystals, to the binder material, or to the mixture of the zeotype and the binder. It has been unexpectedly discovered that addition of a weak base, so that the weak base is present in at least one component of the binder mixture prior to formulation, can result in longer catalyst exposure lifetimes under methanol conversion conditions.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: June 13, 2023
    Assignee: EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
    Inventors: Brandon J. O'Neill, Scott J. Weigel