Exxonmobil Chemical Patents Inc.

Exxonmobil Research and Engineering Company

Exxon Chemical Patents, Inc.

Toray Battery Separator Film Co., Ltd.

Tonen Chemical Corporation

Toray Tonen Specialty Separator Godo Kaisha

Other

Exxon Research and Engineering Company

Toray Industries, Inc.

University of Minnesota

Exxonmobil Upstream Research Company

Exxonmobil Technology and Engineering Company

Advanced Elastomer Systems, L.p.

Polytechnic University of Valencia

Higher Council of Scientific Research

Patrick Brant

Donna Jean Crowther

John Robert Hagadorn

Hong Cheng

Koichi Kono

Peijun Jiang

Glen Barry Brons

Matthew William Holtcamp

Gabor Kiss

Charles Lewis Sims

Hiroyuki Ozaki

Ramin Abhari

Mun Fu Tse

David T Ferrughelli

Sudhin Datta

Jian Yang

James Richardson Lattner

Terry John Burkhardt

Timothy Andrew Barckholtz

Mohsen Shahmirzadi Yeganeh

Anthony Jay Dias

Aspy Keki Mehta

Agapios Kyriacos Agapiou

George Rodriguez

Lubin Luo

Jo Ann Canich

Narayanaswami R Dharmarajan

Anthony Nicholas Speca

Kenneth Lewtas

Maria Dolores Ellul

Jo Ann Marie Canich

Frank Steven Bates

Hans Thomann

Jean-Roch H Schauder

Abhimanyu Onkar Patil

Liang Li

Andy Haishung Tsou

Liehpao O Farng

Francis Charles Rix

David John Lohse

Gregory S Day

Edward N Kresge

Avelino Corma Canos

Man Kit Ng

Clarence E Chase

Takeshi Ishihara

Satoshi Miyaoka

Andrew G Narvaez, Jr

Jeffrey Lawrence Brinen

Zerong Lin

David Raymond Johnsrud

John W Chu

Paul M German, Jr

Robert Patrick Reynolds, Jr

Jacqueline A Lovell

Charles James Ruff

Renuka N Ganesh

Edward A Lemon

Manika Varma-Nair

Steven Paul Rucker

Timothy Marlow Boller

Bryan Robert Chapman

Alan Anthony Galuska

John Richard Shutt

George Alan Vaughan

Caiguo Gong

Robert P Reynolds

Gerhard Luft

Bruce Allan Harrington

Michael E Muhle

Armenag Hagop Dekmezian

Satish Bodige

Jianya Cheng

Robbert Duchateau

Mark David Gehlsen

Palanisamy Arjunan

Bruce Alan Harrington

Prasadarao Meka

James Peter Stokes

Sabet Abdou-Sabet

Ian C Stewart

Timothy J Nedwed

Lawrence Carl Smith

Kazuhiro Yamada

Cesar Alberto Garcia-Franco

James Charles Vizzini

Susana Valencia Valencia

Kimberly A Chaffin

Natalie Ann Merrill

David Michael Fiscus

John P Dismukes

Derek Wade Thurman

Mosha H Zhao

Raymond A Cook

Eugene Ronald Uhl

Carlos R Lopez-Barron

Joseph Dominic Domine

Fernando Rey Garcia

Yuan-Ju Chen

Modified asphalts and methods for producing the same are disclosed. The modified asphalts can include asphalt having a T5 boiling point of 400&#xb0; C. or more, an olefin compound, and an acid promoter. The modified asphalt can include at least a portion of the olefin compound chemically grafted to at least a portion of the asphalt. The method can include exposing the asphalt, olefin compound, and acid promoter to a temperature of about 160&#xb0; C. or more.

Modified asphalts and methods for producing the same

Methods for the production of heterophasic polymers in gas and slurry phase polymerization processes, and polymer compositions made therefrom, are disclosed herein.

Production of heterophasic polymers in gas or slurry phase

The present disclosure relates to asymmetric ansa-metallocene catalyst compounds that include at least one indenyl ligand substituted at the 3-position with a C-C&#x3b1;-branched alkyl, such as 1-methylethyl, 1-methylpropyl, 1-methylbutyl, 1-ethylbutyl, 1,3-dimethylbutyl, 1-methyl-1-ethylbutyl, 1,1-diethylbutyl, 1-propylpentyl, and the like. Catalyst systems prepared with the catalyst compounds, polymerization methods using such catalyst systems, and polyolefins made using the polymerization methods are also described.

Asymmetric-metallocene catalyst compounds for producing polyolefins having a broad molecular weight distribution

The present disclosure relates to ansa-metallocene catalyst compounds that include (1) a first indenyl ligand substituted at the 3-position with a substituted or unsubstituted C-Chydrocarbyl group, wherein the hydrocarbyl group is branched at the &#x3b2;-position, and (2) a second indenyl ligand substituted at its 3-position with a substituted or unsubstituted alkyl group or a &#x3b2;-branched alkyl group. Catalyst systems prepared with the catalyst compounds, polymerization methods using such catalyst systems, and polyolefins made using the polymerization methods are also described.

Catalysts that produce polyethylene with broad, bimodal molecular weight distribution

Disclosed are methods for the production of polymers, including random copolymers (RCPs), in single reactor gas or slurry phase polymerization processes, and polymer compositions produced therefrom. The methods enable polymers having low melting temperatures to be made in gas and slurry phase polymerization processes, where they conventionally could not be made in these processes due to stickiness and fouling problems in the reactor.

Single reactor production of polymers in gas or slurry phase

This disclosure relates to a composition for use as an additive for fuels and lubricants including a reductive amination product of a vinyl terminated macromonomer (VTM) based aldehyde. Optionally aldehyde is reacted with the amino compound under condensation conditions sufficient to give an imine intermediate, and the imine intermediate is reacted under hydrogenation conditions sufficient to give the composition. The aldehyde is formed by reacting a VTM under hydroformylation conditions sufficient to form the aldehyde. A reductive amination method for making a composition for use as an additive for fuels and lubricants. The method includes reacting a VTM based aldehyde with an amino compound containing at least one &#x2014;NH&#x2014; group under condensation conditions sufficient to give an imine intermediate, and reacting the imine intermediate under hydrogenation conditions sufficient to give said composition. The aldehyde is formed by reacting a VTM under hydroformylation conditions sufficient to form the aldehyde.

Lubricant and fuel dispersants and methods of preparation thereof

Systems, apparatus, and methods for controlling a well blowout comprising: a flow control device such as a blowout preventer on a wellbore; a control fluid aperture fluidly connected with the wellbore for introducing a control fluid and/or a plug-forming agent such as a polymer, monomer, resinous, and/or crosslinkable material, through a control fluid aperture and into the primary throughbore while wellbore blowout fluid flows through the wellbore; and optionally, a weighted fluid aperture positioned in the wellbore conduit below the control fluid aperture for introducing a weighted fluid or another fluid or plug-forming agent into the wellbore.

Polymer plugs for well control

Provided herein are membranes including a blend of a propylene-based elastomer and an ethylene copolymer, a thermoplastic resin, a flame retardant, and an ultraviolet stabilizer.

Propylene-based elastomers for roofing compositions and methods for preparing the same

A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes hydrohalogenating a polymer having a vinyl chain end to obtain a halogen-containing terminal group, and reacting the terminal group with a polyamine. Methods of using the compound and compositions thereof are also provided.

Hydrohalogenation of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes

A multilayer microporous membrane including polymer and having a shutdown temperature of &#x2266;130.5&#xb0; C. and a storage stability of 0.3V or less.

Microporous polymeric membranes, battery separators, and production methods therefor

A compound useful for reducing fouling in a hydrocarbon refining process is provided. A method for preparing the compound includes functionalizing a polymer having a vinyl chain end to obtain a terminal group having one or more anhydride units, and reacting the anhydride units with a polyamine. Methods of using the compound and compositions thereof are also provided.

Ring opening cross metathesis of vinyl terminated polymers and their functionalized derivatives for fouling mitigation in hydrocarbon refining processes

A multipurpose chemical additives (MPC) is disclosed to mitigate fouling in hydrocarbon refinery processes, such as in a heat exchanger. A method for reducing fouling of a hydrocarbon is also disclosed that includes (i) providing a crude hydrocarbon for a refining process; and (ii) adding an additive to the crude hydrocarbon.

Functionalized polymers containing polyamine succinimide for antifouling in hydrocarbon refining processes

Disclosed is a method of functionalizing a vinyl terminated polyolefin, the method comprising combining a vinyl terminated polyolefin and a &#x3b1;,&#x3b2;-unsaturated carbonyl compound at a temperature of at least 150&#xb0; C. and a pressure of at least 14 psi, forming a functionalized polyolefin. The functionalized polyolefin comprises a compound or mixture of compounds represented the formula: wherein each Ris, independently, selected from hydrogen and Cto Cor Calkyls; n is an integer from 2 to 800; and each X is, independently, a functional group derived from the &#x3b1;,&#x3b2;-unsaturated carbonyl compound.

Process of polyolefin functionalization

Growing community of inventors

Seabrook, TX, United States of America

Patrick Brant