Exxonmobil Chemical Patents Inc.

Exxonmobil Research and Engineering Company

Virginia Tech Intellectual Properties, Inc.

Exxonmobil Technology and Engineering Company

Javier Guzman

Stuart Leon Soled

Sabato Miseo

Joseph Ernest Baumgartner

Michael P Lanci

Monica D Lotz

Doron Levin

Thomas Elmer Green

Iulian Nistor

S Richard Turner

Lei Zhang

Kapil Kandel

Michael Salciccioli

Alan Anthony Galuska

Gary Paul Schleicher

Christine Esther Kliewer

Stephen Todd Cohn

Robert J Chimenti

Tracie L Owens

Kanmi Mao

Gordon Kennedy

Pallassana S Venkataraman

Edward E Paschke

Chris Esther Kliewer

Lukasz Koziol

Constantinos P Bokis

Hans Eliot Edling

Jeffrey C Bunquin

James Richardson Lattner

Paul F Keusenkothen

Scott Jeffrey Weigel

Guang Cao

Shifang Luke Luo

Timothy Edward Long

Yong Yang

Xiaochun Xu

John Slocum Coleman

Helge Jaensch

Partha Nandi

Catherine M Dorsi

Anatoly Ilich Kramer

Emiel De Smit

Etienne Mazoyer

Keith Wilson

Syamal Tallury

Roxana Perez Velez

Ting Chen

Katherine V Heifferon

Joshua J Willis

Ronald Jan Huiberts

Alexander V Zabula

Jennifer R Pena

Raf De Meester

Elizabeth A Turner

Madelyn Bekker

Arnold Van Loevezijn

Jacob Arie Bergweff

Joseph Baumgartner

Iulian G Nistor

Bifuran-modified polyester, polyethylene-terephthalate-co (2,2′-bifuran-5,5′-dicarboxylate), prepared by esterifying or transesterifying a diacid component comprising from 2 to 10 mole percent 2,2′-bifuran-5,5′-dicarboxylate and a diol component with a catalyst compound comprising metal present in an amount of from about 10 to about 450 ppm and polycondensation to form the polyester wherein the polyester has an inherent viscosity of at least 0.5 g/dL, a glass transition temperature (Tg) of 82° C. or more, a semicrystalline melting peak (Tm) with ΔHf equal to or greater than 5 J/g on the second heating ramp, and melting temperature (T) between 229° C. and 246° C. Reinforced compositions and shaped articles comprising bifuran-modified polyethylene terephthalate and methods of their production are also disclosed.

Bifuran-modified polyesters

Semicrystalline polyethylene-2,2′-bifuran-5,5′-dicarboxylate (PEBF) homopolyester or copolyester with up to 5 mole percent isophthalate or up to 2.7 mole percent terephthalate, based on the diacid component, or up to 2.5 mole percent 1,4-cyclohexanedimethanol (CHDM), based on the diol component, prepared by esterifying or transesterifying the diacid and the diol components with a catalyst including about 10 to about 50 ppm wt metal, and polycondensation, wherein the bifuran polyester has an intrinsic viscosity of at least 0.4 g/dL and a semicrystalline melting peak (Tm) with ΔHf equal to or greater than 5 J/g on the second heating ramp.

Bifuran polyesters

Wax compositions may be obtained by providing an olefinic feed comprising a first linear alpha olefin having m carbon atoms and a second linear alpha olefin having n carbon atoms, wherein m and n are independently selected integers each ranging from about 12 to about 100, and the olefinic feed optionally comprises one or more internal olefins and/or one or more branched olefins; contacting the olefinic feed with a metal carbene catalyst in a reactor; forming ethylene and a hydrocarbon substance comprising a linear olefin dimer comprising two carbon atoms less than a sum of m and n; removing the ethylene from the reactor while forming the linear olefin dimer; and isolating a wax composition comprising the linear olefin dimer, a hydrogenated reaction product thereof, or any combination thereof.

Wax compositions comprising linear olefin dimers or hydrogenated variants thereof and methods for production thereof

Disclosed are novel supported nanoparticle compositions, precursors, processes for making supported nanoparticle compositions, processes for making catalyst compositions, and processes for converting syngas. The catalyst composition can comprise nanoparticles comprising metal oxide(s), such as manganese cobalt oxide. This disclosure is particularly useful for converting syngas via the Fischer-Tropsch reactions to make olefins and/or alcohols.

Supported nanoparticle compositions and precursors, processes for making the same and syngas conversion processes

Processes are described for separating 3,4'- and 4,4&#x2032;-dimethylbiphenyl from a mixture comprising at least 3,3&#x2032;-, 3,4&#x2032;- and 4,4&#x2032;-dimethylbiphenyl. In the processes, the mixture is cooled to produce a crystallization product comprising at least of the 4,4&#x2032;-dimethylbiphenyl from the feed mixture and a first mother liquor product. The first mother liquor product is distilled to produce a bottoms stream enriched in 4,4&#x2032;-dimethylbiphenyl as compared with the first mother liquor product and an overhead stream deficient in 4,4&#x2032;-dimethylbiphenyl as compared with the first mother liquor product. The overhead stream is then cooled to produce a second crystallization product comprising at least part of the 3,4&#x2032;-dimethylbiphenyl from the overhead stream and a second mother liquor product.

Production and use of 3,4' and 4,4&#x2032;-dimethylbiphenyl isomers

Processes are described for purifying a biphenyldicarboxylic acid product containing one or more impurities, particularly at least formylbiphenylcarboxylic acid. In the processes, a mixture comprising the biphenyldicarboxylic acid product is contacted with hydrogen in the presence of a hydrogenation catalyst under conditions to selectively reduce at least part of the formylbiphenylcarboxylic acid to produce a hydrogenation effluent comprising (i) hydroxymethylbiphenylcarboxylic acid and/or methylbiphenylcarboxylic acid, and (ii) biphenylcarboxylic acid. At least a portion of the biphenyldicarboxylic acid is then separated from the hydrogenation effluent. Advantageously, a polyester product may be produced from the separated biphenyldicarboxylic acid.

Preparation and purification of biphenyldicarboxylic acids

Liquid crystalline hydroquinone-3,4'-biphenyl dicarboxylate polyesters, and methods of making them. The polyesters may be melt processed at a temperature below the thermal decomposition temperature and the isotropic temperature, and may form a liquid crystalline glass phase. The polyesters may be formed by polycondensation of hydroquinone or a hydroquinone derivative with 3,4&#x2032;-biphenyl dicarboxylic acid.

Liquid crystalline polyester compositions and methods

Methods are provided for modifying hydrogenation catalysts having silica supports (or other non-alumina supports) with additional alumina, and using such catalysts to achieve unexpectedly superior hydrogenation of feedstocks. The modified hydrogenation catalysts can have a relatively low cracking activity while providing an increased activity for hydrogenation.

Method and system for producing low aromatic hydrocarbon products

Noble metal hydrogenation catalysts and aromatic saturation methods

The precursor of a hydroprocessing catalyst is made by impregnating a metal oxide component comprising at least one metal from Group 6 of the Periodic Table and at least one metal from Groups 8-10 of the Periodic Table with an amide formed from a first organic compound containing at least one amine group, and a second organic compound containing at least one carboxylic acid group. Following impregnation heat treatment follows to form in situ generated unsaturation additional to that in the two organic compounds. The catalyst precursor is sulfided to form an active, sulfide hydroprocessing catalyst.

Hydroprocessing catalysts and their production

Noble metal hydrogenation catalysts with low cracking activity

This invention relates to the production of terephthalic acid by 1) cycloaddition of 2,5 substituted furan (such as 2,5-bis hydroxymethylfuran or 5-hydroxymethylfurfural) and ethylene, and 2) the subsequent oxidation of the dehydrated cycloaddition product to terephthalic acid. The invention relates more particularly to overall biobased pathways for making terephthalic acid from carbohydrates such as hexoses (e.g., glucose or fructose).

Process to produce terephthalic acid

Described herein is a catalyst precursor composition comprising at least one metal from Group 6 of the Periodic Table of the Elements, at least one metal from Groups 8-10 of the Periodic Table of the Elements, and a reaction product formed from (i) a first organic compound containing at least one amine group, and (ii) a second organic compound separate from said first organic compound and containing at least one carboxylic acid group. A process for preparing the catalyst precursor composition is also described, as is sulfiding the bulk mixed metal oxide catalyst precursor composition to form a hydroprocessing catalyst.

Described herein is a catalyst precursor composition comprising at least one metal from Group 6 of the Periodic Table of the Elements, at least one metal from Groups 8-10 of the Periodic Table of the Elements, and a reaction product formed from (i) a first organic compound containing at least one amine group and at least 10 carbon atoms or (ii) a second organic compound containing at least one carboxylic acid group and at least 10 carbon atoms, but not both, wherein the reaction product contains additional unsaturated carbon atoms, relative to the first or second organic compound, wherein the metals of the catalyst precursor composition are arranged in a crystal lattice, and wherein the reaction product is not located within the crystal lattice. A process for preparing the catalyst precursor composition is also described, as is sulfiding the catalyst precursor composition to form a hydroprocessing catalyst.

Growing community of inventors

Easton, PA, United States of America

Javier Guzman