Exxonmobil Chemical Patents Inc.

Exxon Chemical Patents, Inc.

Exxonmobil Chemicals Patents, Inc.

Gerald G McGlamery, Jr

Michael J Keenan

Ralph Martin Kowalik

Richard William Ryan

James Harding Beech, Jr

Michael Peter Nicoletti

Thomas Herman Colle

Dan E Hendriksen

Derrick D Pete

Kenneth Ray Clem

Yun-Feng Chang

Steven E Silverberg

Lawrence Carl Smith

Nikolaos Soultanidis

Jennifer L Bancroft

Cornelis F Van Egmond

Julia Elizabeth Steinheider

Patricia A O'Neill-Burn

A process is provided for converting a mixture of carbon monoxide and molecular hydrogen to an alcohol mixture, which is separated into a first methanol-containing stream and a second Calcohol-containing stream. The first stream's methanol is reacted to produce a mixture of aromatics and aliphatics. The second stream's Calcohol is converted to hydrocarbon including ethylene and propylene.

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Provided is a method of producing polypropylene comprising contacting an oxygenate stream with a molecular sieve to form an olefin stream comprising propane, propylene and dimethylether; introducing the olefin stream into a propylene rectification tower possessing from less than 200 theoretical stages; withdrawing from the propylene rectification tower a bottom stream comprising dimethylether, a sidestream comprising propane, and an overhead stream comprising propane and propylene; introducing the overhead to a condenser to accumulate a propylene-rich stream; passing the propylene-rich stream to a splitter to produce (i) a first propylene stream that is introduced into a polypropylene reactor to contact a polyolefin catalyst, and (ii) a second propylene stream that is re-introduced into the rectification tower, the first and second propylene streams introduced at a desirable ratio; and recirculating the dimethylether stream to contact the molecular sieve.

Integrated dimethyl ether recovery from an oxygenate-to-olefins process and production of polypropylene

This invention is directed to a process for producing one or more olefins from an oxygenate feed. According to the invention, an oxygenate stream is provided and a recycle stream is added to the oxygenate stream to form a feed stream to an oxygenate-to-olefin conversion system. The recycle stream comprises (i.e., contains) propane and dimethyl ether.

Recycle of DME in an oxygenate-to-olefin reaction system

This invention is to a process for separating condensed water and entrained solids from an olefin stream so that fouling of the separation equipment by the entrained solids is reduced or eliminated. The process involves injecting an antifouling agent into a water condensing or quench system in an amount to maintain a zeta potential of fouling liquid and a zeta potential of the surface of the quench system both in a positive range or both in a negative range.

Method of separating condensed liquid from an olefin stream

The invention provides for a purified glycidyl ester product prepared from neo acids wherein said ester product is recovered as a light fraction from a glycidyl ester reaction product composition that has been subjected to conditions of temperature and vacuum in a thin film, short pass distillation evaporator, said purified glycidyl ester product further characterized that its polymerizable reaction product with methacrylic acid has a higher effective glass transition temperature as compared with the polymerizable reaction product with methacrylic acid of said glycidyl ester reaction product composition prior to purification.

Glycidyl ester adducts having increased glass transition temperatures

A process for the distillation of the glycidyl ester reaction product of a straight or branched chain saturated monocarboxylic acid or salt thereof and an halo-substituted monoepoxidc is disclosed, wherein the reaction product is subjected to conditions of temperature and vacuum in a thin film, short pass distillation apparatus such as a wiped film evaporator. The product distillate has significantly reduced color than the reaction product prior to distillation, and has improved heat and color stability.

Process for the purification of glycidyl esters from epihalohydrin and

A method for producing 3-methyl-2-pentene which is substantially free of any other C.sub.6 olefin, except 2-ethyl-1-butene, by first producing a stream that contains 2-ethyl-1-butene from the trimerization of ethylene, and second by recovering the 2-ethyl-1-butene as 3-methyl-2-pentene via etherification, separation of the ether, and decomposition of the ether back to predominantly 3-methyl-2-pentene with some 2-ethyl-1-butene.

Process for preparing 3-methyl-2-pentene

Growing community of inventors

Baton Rouge, LA, United States of America

Gerald G McGlamery, Jr