Dow Global Technolgoies LLC

Corteva Agriscience LLC

Sumitomo Chemical Company, Limited

Ddp Specialty Electronic Materials Us, LLC

Chunming Zhang

William E Mickols

Philip P Fontaine

Jerzy Klosin

Christopher Thomas Hamilton

Andrew J Young

Susan G Brown

Hien Q Do

Tulaza Vaidya

Johnathan E DeLorbe

Jayachandran Devaraj

Heqi Pan

Gregory T Whiteker

Noormohamed Mohamed Niyaz

Steven Douglas Jons

Abhishek Roy

Ruth Figueroa

Mou Paul

Steven Rosenberg

Jeremy Kister

Ronald B Leng

XiaoHua Qiu

Rong Ling

Nicholas Martin Irvine

Abraham D Schuitman

Siyu Tu

Aman A Desai

Nugzar Ghavtadze

Arvind Jaganathan

Aaron A Shinkle

Melissa Lee

David R Wilson

Shawn D Feist

Joseph D Koob

Q Jason Niu

Zach T Rickaway

Johnathan E Delorbe

Qingshan Jason Niu

David Wilson

Andre Yvon-Bessette

Amy E Floeck (nee Duchnowski)

Rongrong [mandy] Lin

Donnie W Blaylock

Ian B Gillespie

Rongrong (Mandy) Lin

Patrick L Heider

XiaoHua Sam Qiu

Susan Brown

Methods for preparing a catalyst precursor material from dihalo-substituted metalloids are provided. The methods In include mixing a first solution of a halogenated alkane, at least one solvent, and a first component selected from a dihalo-substituted-group-14 metalloid or an organolithium reagent in a first reaction zone. Continuously adding the first solution to a second reaction zone, and continuously adding a second solution to the second reaction zone. The second solution including at least one solvent and a second component of either the dihalo-substituted-group-14 metalloid or the organolithium reagent, the second component is different from the first component. Mixing the first solution and the second solution in the second reaction zone.

Methods for preparing catalyst precursor materials

Methods for preparing 5-fluoro-6-(bromo or chloro)picloram analogs, or derivatives thereof, from picloram acid, picloram ester, or the nitrile analog of picloram are provided. The methods include chemical process steps that: (1) introduce a phthaloyl group onto the 4-amino substituent of picloram acid, picloram ester, or the nitrile analog of picloram, (2) add 2 fluorine atoms at the 5,6-positions of the pyridine ring using halex fluorination chemistry, (3) remove the phthaloyl group, hydrolyze the ester or nitrile substituent, and add chlorine or bromine to the 6-position by treatment with an acid and water, and finally, (4) esterify the 5-fluoro-6-(bromo or chloro)picloram acid produced in step (3) to a 5-fluoro-6-(bromo or chloro)picloram ester.

Preparation of halogen analogs of picloram

Embodiments are directed to a catalyst system comprising metal ligand complexes and processes for polyolefin polymerization using the metal ligand complex having the following structure: Formula I. 

Germanium-bridged bis-biphenyl-phenoxy catalysts for olefin polymerization

Embodiments are directed to a metal complex formed, wherein the metal complexes are used as pro-catalyst in polyolefin polymerization and comprise the following structure (Formula (I)). 

Silyl-bridged bis-biphenyl-phenoxy catalysts for olefin polymerization

The disclosure provides a procatalyst for the polymerization of ethylene and optionally one or more alpha-olefins having the structure shown in formula (I) below: wherein at least two of Y-Yand at least two of Y-Yare fluorine atoms and when only two of Y-Yand only two of Y-Yare fluorine atoms, the non-fluorine Y-Yare selected from the group consisting of H atom, alkyl groups, aryl groups, heteroaryl groups, and alkoxy groups. Also provided is a polymerization process using the procatalyst.

Polymerization process for producing ethylene based polymers

A process for preparing one or more carbazoles comprising (a) contacting one or more compounds represented by formula (1) below with diboron reagents in the presence of PdCl2(dppf) to form one or more 2,2'-dichlorobiaryl represented by formula (2) below; and (b) contacting the one or more 2,2&#x2032;-dichlorobiaryls with one or more H2N&#x2014;Y compounds, in the presence of one or more palladium containing catalytic components; thereby forming one or more carbazoles represented by formula (3) below is provided. 

Process for preparing carbazoles

The instant invention provides a process for the preparation of bis(chloromethyl)dichlorosilane (BCMCS) or bis(chloromethyl) (aryl)chlorosilane (BCMACS) comprising reacting bis(chloromethyl) diphenylsilane and one or more chloride compounds in the presence of a Lewis acid in an inert solvent and under an inert atmosphere. 

Process for the preparation of bis(chloromethyl)dichlorosilane and bis(chloromethyl)(aryl)chlorosilane

A method for making a composite polyamide membrane comprising the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a monomer comprising at least one phosphorous-containing functional group or salt thereof and an at least one amine-reactive functional group; and/or ii) applying such a monomer to the thin film polyamide layer.

Composite polyamide membrane derived from monomer including amine-reactive and phosphorous-containing functional groups

A method for making a composite polyamide membrane including the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a subject monomer comprising at least one carboxylic acid group linked to an aromatic moiety and wherein the aromatic moiety is further substituted with at least one of an acyl halide or anhydride functional group and ii) applying the subject monomer to the thin film polyamide layer. The invention includes many additional embodiments.

Composite polyamide membrane

Composite membranes including a coating of polyalkylene oxide and oxy-substituted phenyl compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and an oxy-substituted phenyl compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more oxy-substituted phenyl functional groups.

Composite membrane with coating comprising polyalkylene oxide and oxy-substituted phenyl compounds

Composite membranes including a coating of polyalkylene oxide and biguanide compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and a biguanide-type compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more biguanide functional groups.

Composite membrane with coating comprising polyalkylene oxide and biguanide-type compounds

Composite membranes including a coating of polyalkylene oxide and acetophenone compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and an acetophenone compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more acetophenone functional groups.

Composite membrane including coating of polyalkylene oxide and acetophenone compounds

Composite membranes including a coating comprising a combination of polyalkylene oxide and imidazol compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and an imidazol compound. In another embodiment, the coating comprises a polymer including alkylene oxide repeating units and one or more imidazol functional groups.

Composite membrane with coating comprising polyalkylene oxide and imidazol compounds

Composite membranes including a coating of polyalkylene oxide and triazine compounds along with various methods for making and using the same. In one embodiment, the composite membrane comprises a thin film polyamide layer including a coating of a reaction product of a polyalkylene oxide compound and a triazine compound.

Composite membrane including coating of polyalkylene oxide and triazine compounds

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Midland, MI, United States of America

Chunming Zhang