Dow Global Technolgoies LLC

The Dow Chemical Company

Other

Mark T Bernius

Michael Inbasekaran

Gordon R Roof

Rajen M Patel

Mohamed Esseghir

Jaime Simon

Edmund P Woo

Robert L McGee

Zenon Lysenko

Timothy James Person

Weishi W Wu

William R Shiang

Shaofu Wu

Michael H Mazor

Jasson T Patton

Deidre A Strand

Bryan E Barton

Susan J Babinec

Thomas H Kalantar

Dean M Welsh

Eric J Hukkanen

John A Naumovitz

James J O'Brien

Paul E Cranley

Xiaoyun Chen

Peter K Mercure

Kristine L Danowski

W Chris McDougall

Bettina Rosner

Flor A Castillo

John N Naumovitz

Christina A Rhoton

Robert B Fletcher

Robert P Haley, Jr

Jahne Simon

Michelle A Pressler

Vivek Tomer

Larry S Sun

Douglas P White

Mark S B Felix

Christopher M Jones

Diedre A Strand

Malcolm W Warren, Ii

Larry Sun

Chris W Mcdougall

Robert Paul Haley

Mark Sb Felix

Malcolm W Warren

Peter Kip Mercure

John Naumovitz

James J O'brien

Robert L Mcgee

Bettina M Rosner

Disclosed herein are processes for preparing carbon fibers, comprising: sulfonating a polymer fiber with a sulfonating agent that is fuming sulfuric acid, sulfuric acid, chlorosulfonic acid, or a combination thereof; treating the sulfonated polymer with a heated solvent, wherein the temperature of the heated solvent is at least 95&#xb0; C.; and carbonizing the resulting product by heating it to a temperature of 501-3000&#xb0; C. Carbon fibers prepared according to these methods are also disclosed herein.

Two-step sulfonation process for the conversion of polymer fibers to carbon fibers

Disclosed herein are processes for preparing carbonized polymers, such as carbon fibers, comprising: sulfonating a polymer with a sulfonating agent that comprises SOgas to form a sulfonated polymer; treating the sulfonated polymer with a heated solvent, wherein the temperature of said solvent is at least 95&#xb0; C.; and carbonizing the resulting product by heating it to a temperature of 500-3000&#xb0; C.

Processes for preparing carbon fibers using gaseous sulfur trioxide

Disclosed here are processes for preparing carbonized polymers (preferably carbon fibers), comprising sulfonating a polymer with a sulfonating agent that comprises SOdissolved in a solvent to form a sulfonated polymer; treating the sulfonated polymer with a heated solvent, wherein the temperature of the solvent is at least 95&#xb0; C.; and carbonizing the resulting product by heating it to a temperature of 500-3000&#xb0; C. Carbon fibers made according to these methods are also disclosed herein.

Processes for preparing carbon fibers using sulfur trioxide in a halogenated solvent

Electronic device module comprising an ethylene multi-block copolymer

An electronic device module comprising: Typically, the polyolefin copolymer is an ethylene/&#x2200;-olefin copolymer. Optionally, the polymeric material can further comprise a vinyl silane and/or a scorch inhibitor, and the copolymer can remain uncrosslinked or be crosslinked.

Electronic device module comprising polyolefin copolymer

A device useful for oral drug delivery device consisting of: (a) a capsule, tablet or pill designed to disperse in the gastrointestinal system; (b) an RFID tag positioned in the capsule, tablet or pill, the RFID tag comprising an antenna; (c) an object selected from the group consisting of a magnet, a ferromagnetic object, a ferrite object and an electromagnetic shielding object positioned within, over or adjacent the antenna of the RFID tag to alter the antenna characteristics of the RFID tag so that if the RFID tag is interrogated before the capsule, tablet or pill disperses in the gastrointestinal system, the response of the RFID tag is sufficiently altered or attenuated to determine that the capsule, tablet or pill has not dispersed in the gastrointestinal system and so that if the RFID tag is interrogated after the capsule, tablet or pill has dispersed in the gastrointestinal system, the object separates from the RFID tag so that the response of the RFID tag is sufficiently detectable to determine that the capsule, tablet or pill has dispersed in the gastrointestinal system. Alternatively, a switch can be used to signal ingestion of the device, and change the response of the device.

Oral drug compliance monitoring using radio frequency identification tags

A polymer comprising repeat units of the formula:wherein Ris independently in each occurrence Chydrocarbyl or C1-20 hydrocarbyl containing one or more heteroatoms of S, N, O, P or Si or both Rmay form, with the 9-carbon of the fluorene ring, a Cring structure containing one or more heteroatoms of S, N, or O; Ris independently in each occurrence Chydrocarbyl, Chydrocarbyloxy, Cthioether, Chydrocarbyloxycarbonyl, hydrocarbylcarbonyloxy, or cyano; a is independently in each occurrence a number from about 0 to about 1;

Fluorene-containing polymers and compounds useful in the preparation thereof

An organic block polymer useful in an electroluminescent polymer device (or in a polymer field effect transistor) that includes an emissive polymer block that is consistently conjugated along the backbone of the emissive polymer block (e.g., a copolymer of 2,7-linked 9,9 dioctyl fluorene and 4,7-linked 2,1,3 benxothiadiazole); and a positive charge carrier polymer block that is consistently conjugated along the backbone of the positive charge carrier polymer block (e.g., a copolymer of 2,7-linked 9,9 dioctyl fluorene and 4N, 4N&prime;-linked N,N&prime;-di(3-carboxomethoxyphenyl)benzidine) for transporting positive charge carriers to the emissive polymer block so that the positive charge carriers can combine with negative charge carriers to generate light.

Electroactive polymers and devices made therefrom

Fluorene-containing polymers and electroluminescent devices therefrom

The device of this invention comprises a optoelectronic element, a cover, and an adhesive. The optoelectronic element comprises a substrate bearing an anode, a film comprising an optoelectronic material, and a cathode. The cover comprises a lid and a raised rim which is recessed from the outer edge of the lid. The cover contacts the element so that the film comprising the optoelectronic material is located between the substrate and the lid, and within the region defined by the raised rim. An adhesive, located in a channel defined by the bottom surface of the lid from the outer edge to the rim, the rim, and the top surface of the optoelectronic element outside of the region defined by the rim, serves to attach the cover to the optoelectronic element.

Electroluminescent or photocell device having protective packaging

This invention relates to: (a) fluorene copolymers comprising at least 10% (by residual monomeric units) of 9-substituted and/or 9,9-disubstituted fluorene moieties and at least two other monomeric units containing delocalized p-electrons, (b) polymer blends comprising at least 10 weight % of a copolymer specified in (a), and (c) electronic devices (such as polymer light emitting diodes) containing one or more films derived from these copolymers.

Fluorene copolymers and devices made therefrom

Growing community of inventors

Midland, MI, United States of America

Mark T Bernius