Texaco Chemical Company

Huntsman Petrochemical Corporation

Texaco Inc.

Huntsman Corporation

Texaco Chemical Inc.

Wei-Yang Su

George P Speranza

Michael Cuscurida

Harold G Waddill

Robert L Zimmerman

Donald H Champion

John F Knifton

Hui Zhou

Sheldon Herbstman

Terry L Renken

John M Larkin

Wheeler C Crawford

Robert A Grigsby, Jr

Jingjun Zhou

Edward T Marquis

Joseph M Russo

Dudley J Primeaux

Ralph M DiGuilio

Jiang-Jen Lin

Ernest L Yeakey

Daniel T Daly

Carter G Naylor

William A Smith

Yu-Hwa E Sheu

William K Culbreth, Iii

David G Pottratz

Matthew W Forkner

Robert Allison Grigsby

James H Templeton

Jun Fan

Srinivasa S Godavarthy

Xiaolong Li

Timothy L Lambert

David A Coffey

Patrick E Holub

James Edward Critchfield

Mark L Posey

Roya Tooloian

Mike W McKinney

Pete S Morford

Maarten P Ter Weeme

Christopher H Nelli

Waddill: Harold G

Thomas J Kenney

Stephen Lee Sjoberg

Stan Harville

Peter S Morford

A curing agent comprising a polyetheramine, a tertiary amine and an alkanolamine. The curing agent may be combined with an epoxy resin to form a curable composition which is capable of being applied to a substrate and cured to form a cured article.

Curing agent for epoxy resins

A curing agent comprising a polyetheramine, a tertiary amine substantially free of an aromatic tertiary amine and glycerin. The curing agent may be combined with an epoxy resin to form a curable composition which is capable of being applied to a substrate and cured to form a cured article.

The present disclosure provides a curing agent comprising a polyetheramine, a tertiary amine substantially free of an aromatic tertiary amine and glycerin. The curing agent may be combined with an epoxy resin to form a curable composition which is capable of being applied to a substrate and cured to form a cured article.

The present disclosure provides a curing agent comprising a polyetheramine, a tertiary amine and an alkanolamine. The curing agent may be combined with an epoxy resin to form a curable composition which is capable of being applied to a substrate and cured to form a cured article.

The present disclosure provides a lubricating oil concentrate containing an ethoxylated ether amine and a base oil. The lubricating oil concentrate is capable of forming a stable, low foaming emulsion when added to an aqueous medium and may be useful in metalworking and cleaning fluids.

Emulsifier for lubricating oil concentrate

Amine compositions comprising sterically hindered amines and associated methods are provided. In some embodiments, amine compositions of the present disclosure may be useful for selective removal of HS from an acidic gas stream.

Sterically hindered amines and associated methods

The present invention relates to a process for producing an odorless and colorless industrial grade propylene glycol from glycerol obtained during the manufacturing of biodiesel. The process includes hydrogenating the glycerol to form a hydrogenated product, distilling the hydrogenated product to form a glycol product, and contacting the glycol product with a treatment bed. The propylene glycol may be used in various industrial and consumer applications and products such as personal care products.

Process for the production and purification of propylene glycol

Embodiments of the present invention disclose a process for the co-production of bis(para-aminocyclohexyl) methane (PACM). Also disclosed are articles of manufacture made using PACM produced by methods of this invention. The methods of the present invention generally include a first mixture having methylene di-aniline (MDA) and a second aromatic amine. The first mixture has less than 15% polymeric MDA by weight and the second aromatic amine is present in an amount to render the first mixture a liquid. The first mixture is hydrogenated to produce a product mixture comprising PACM and at least one second non-aromatic amine.

Co-production of cyclohexylamine and bis(para-aminocyclohexyl) methane

The present invention concerns a process for providing tertiary amine products which are color-stable, and have a greatly reduced tendency to take on color during their storage. According to the invention, an ethyleneamine derivative is added to the distillation pot prior to or during the distillation of the tertiary amine product. Preferably, the ethyleneamine derivative has a higher boiling point than the desired tertiary amine product so as to preclude the ethyleneamine from distilling over with the tertiary amine.

Color stabilization of amines

Disclosed herein is a process for the reductive alkylation of primary amines to form secondary amines, by high pressure reaction of the primary amine with an alkylating agent and hydrogen in the presence of a catalyst which comprises metallic palladium. A process of the present invention is characterized in having high conversion rates and high selectivities, both greater than 95% on a first pass through the reactor. According to a preferred embodiment, the secondary amine produced comprises at least one 2-alkyl group bonded to the nitrogen atom of the primary amine product.

Preparation of secondary amines

Inclusion of a branched alcohol in the catalytic hydrogenation reaction involving an aliphatic nitro compound dramatically increases the efficiency of the conversion of nitro groups into amino groups. This discovery is of particular value in the production of polyalkyleneamines via nitration of a polyalkene, such as a polybutene, and its subsequent reduction. The polyalkyleneamines so produced are useful as dispersant additives for motor oils and fuels.

Advances in amination

Provided herein are developer solutions useful in producing semiconductor-based circuit elements or precursors thereof, which contain tris-(2-hydroxyethyl)methylammonium hydroxide. Developers according to the invention are either aqueous or alcoholic solutions of tris-(2-hydroxyethyl)methylammonium hydroxide which preferably further comprise a stabilizer. Through use of the compositions provided herein, greatly reduced levels of volatile amines are released during the developing process which lessens the burden on clean room atmosphere purification equipment owing to lessened airborne impurities.

Semiconductor developing agent

Highly effective fuel additives that control the formation of deposits in internal combustion engines, particularly, in the fuel injection system and combustion chamber of such engines. The fuel additives comprise carboxylic acid alkoxylates, and are particular suited for use with nitrogen-containing fuel detergents. Fuel compositions comprising the fuel additives, and methods of controlling engine deposits are also disclosed.

Fuel additives

Growing community of inventors

Austin, TX, United States of America

Wei-Yang Su