25 patents
Utility
Methods for isobutylene conversion to C5+ compounds
28 Nov 23
Methods of converting isobutylene to C5+ compounds.
Linn Fang, Daniel F. White, Lei Zhang
Filed: 23 Sep 22
Utility
Use of monopropylene glycol from purge streams in epoxidation catalyst preparation
7 Nov 23
Methods for preparing molybdenum-based catalyst for epoxidation reactions using MPG sourced from a propylene oxide/styrene monomer (POSM) production process are described.
Ha H. Nguyen, Anthony S. Dearth, Harold V. Larson
Filed: 25 Jun 21
Utility
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28 Mar 23
A process for the production of 4-hydroxybutyraldehyde is described.
Daniel F. White, Beaven S. Mandimutsira, Robert J. Rebman
Filed: 7 Apr 22
Utility
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28 Feb 23
Methods of preparing titanated silica catalysts, and titanated silica catalysts.
Sandor Nagy, Nicholas Bruschi, Elizabeth I. Ross-Medgaarden, David W. Leyshon, Barbara Kimmich
Filed: 2 Nov 20
Utility
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13 Sep 22
A skeletal isomerization process for isomerizing olefins is described.
Rick B. Watson, David W. Leyshon
Filed: 5 Nov 21
Utility
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14 Jun 22
A process of producing allyl alcohol by reacting glycerin with ReO3—Al2O3 in the presence of gamma-valerolactone (GVL) in a reactor is described.
Xueyong Yang, Daniel F. White, Chelsee A. Arceneaux, Pranit S. Metkar
Filed: 30 Jul 21
Utility
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1 Mar 22
Improved systems and methods for producing propylene from olefins including isobutylene is disclosed.
David W. Leyshon, Rick B. Watson
Filed: 28 Jun 21
Utility
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15 Feb 22
Methods and systems for recovering materials from streams from processes for the co-production of propylene oxide and styrene monomer.
Ha H. Nguyen, Anthony S. Dearth
Filed: 6 May 20
Utility
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25 May 21
Methods of drying streams that include propylene oxide.
Xueyong Yang, Daniel F. White, Ha H. Nguyen, Robert J. Rebman, Chelsee A. Arceneaux
Filed: 13 May 20
Utility
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27 Apr 21
A method of producing dimethoxymethane oligomers (DMMn), the method comprising: reacting a formaldehyde source and dimethoxymethane monomer (DMM1) in the presence of an acidic catalyst to produce a reaction effluent comprising DMMn and unreacted DMM1; and separating, from the reaction effluent, DMM1-2 including unreacted DMM1 and DMMn having a chain length n equal to 2 (DMM2), dimethoxymethane oligomers having a chain length n in the range of from 2-5 (DMM2-5), dimethoxymethane oligomers having a chain length n of ≥5 (DMM5+), or a combination thereof, wherein the separating comprises distillation in the presence of at least one alcohol, a distillate fuel, or both.
James N. Waguespack, David S. Mannel, Larry W. Arndt, Ha H. Nguyen, Barbara Kimmich
Filed: 8 Mar 19
Utility
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16 Mar 21
Provided are methods of treating a mixture, such as a hydrocarbon mixture, that includes one or more C2-C4 carbonyl containing organic compounds.
Lei Zhang, Daniel F. White
Filed: 8 Nov 19
Utility
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16 Mar 21
Methods of reducing a phosphorus content of a liquid hydrocarbon.
Lei Zhang, Daniel F. White
Filed: 6 Sep 19
Utility
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16 Feb 21
A method including hydroformylating, with syngas, allyl alcohol in an allyl alcohol feed, to produce a hydroformylation product comprising 4-hydroxybutyraldehyde and 3-hydroxy-2-methylpropionaldehyde; and producing a 1,4-butanediol (BDO) product comprising BDO and 1,3-methylpropanediol via hydrogenation of at least a portion of the hydroformylation product.
Xueyong Yang, Daniel F. White, Beaven S. Mandimutsira
Filed: 25 Feb 19
Utility
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16 Feb 21
A catalyst system for the conversion of glycerin to allyl alcohol, the catalyst system comprising: a rhenium compound selected from rhenium dioxide, rhenium trioxide, and a combination thereof.
Xueyong Yang, Daniel F. White, Beaven S. Mandimutsira
Filed: 25 Feb 19
Utility
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30 Nov 20
A composition comprising a distillate fuel, an oligomer portion comprising at least one dimethoxymethane oligomer, and a stabilizer comprising one or more alcohols.
James N. Waguespack, Larry W. Arndt, David S. Mannel, Ha H. Nguyen, Barbara Kimmich
Filed: 23 Oct 18
Utility
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9 Nov 20
Systems and methods for purifying crude propane streams are provided herein.
Majid Keyvani
Filed: 17 Mar 20
Utility
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19 Oct 20
A process for selectively producing 4-hydroxybutyraldehyde from allyl alcohol is described.
Daniel F. White, Beaven S. Mandimutsira
Filed: 21 May 20
Utility
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14 Sep 20
A method of producing one or more glycerol ethers, the method comprising contacting glycerol and tertiary butanol (TBA) in the presence of an acidic catalyst to produce one or more glycerol ethers selected from mono-tert butyl glycerol ethers, di-tert butyl glycerol ethers, tri-tert butyl glycerol ethers, or a combination thereof; separating water and a stream comprising isobutylene, unreacted TBA, or a combination thereof from the one or more glycerol ethers; and recycling at least a portion of the stream comprising isobutylene, unreacted TBA, or a combination thereof to the contacting.
Sarthak Gaur, Robert John Rebman, Daniel F. White, Joseph P. Longtin
Filed: 25 Jun 19
Utility
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10 Aug 20
Methods of forming propylene and alkylate are provided.
Daniel F. White, Lei Zhang
Filed: 5 Mar 19
Utility
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13 Jul 20
A method including contacting an organic stream with water and carbon dioxide, whereby sodium is extracted from the organic stream, and separating an aqueous sodium salt-containing phase from an organic phase comprising a reduced sodium content.
Sandor Nagy, Ha H. Nguyen, Dan D. Lindsey, Barbara Kimmich, Nicholas Bruschi, James D. Montano-Lawrence, Justin E. Turner, Debra L. Jackson, Anthony S. Dearth
Filed: 31 Jan 18