Amoco Corporation

Standard Oil Company (indiana)

Lawrence D Lillwitz

Melvin L Luetkens, Jr

James G Villanueva

John D Matlack

Anne M Karachewski

Bruce A Newman

Steven A Cerefice

Gregory E Schmidt

An improved process for alkylating an alkylaromatic having at least one benzylic hydrogen atom with an olefinic compound comprising contacting the alkylaromatic under liquid phase conditions with an olefinic compound in the presence of at least one alkali metal activated by amine compound.

Alkylation of alkylaromatics promoted by amine compound

An improved process for alkylating an alkylaromatic having at least one benzylic hydrogen atom with an olefinic compound comprising contacting the alkylaromatic under liquid phase conditions with an olefinic compound in the presence of at least one alkali metal activated by sonication.

Alkylation of alkylaromatics promoted by sonicated alkali metal

A polyamide composition comprising the following recurring units: ##STR1## in proportions such that the mole ratio of the dicarboxylic acid moieties in the A, B and C units is about 49.5-0.5/0-20/0.5-49.5 and wherein R is a divalent radical comprising ##STR2## in a mole ratio of about 0.5-50/49.5-0 and preferably having a glass transition temperature of 90.degree. C. or greater and an oxygen transmission rate of about 2.0 cc-mil/100 in.sup.2 -day-atm or less.

Polyamide having improved gas barrier properties from adipic acid,

Plastic bottles and a process for producing same in which at least one layer comprises a polyamide composition comprising isophthalic acid, terephthalic acid, adipic acid, metaxylylenediamine and hexamethylenediamine moieties in a molar ratio of about 49.5-0.5/0-20/0.5-49.5/0.5-50/49.5-0.

Molded bottles and method of producing same

Cyclohexane dicarboxylic acids are prepared by hydrogenating phthalic acids in presence of a rhodium catalyst wherein a portion of the product stream is isolated and recycled to the reactor.

Preparation of cyclohexane dicarboxylic acids

A process is disclosed for separation of propionic acid and methacrylic acid and esterification of methacrylic acid with an aliphatic alcohol of from 1 to 4 carbon atoms in presence of a suitable catalyst wherein separation and esterification is obtained with minimal polymerization of methacrylic acid.

Purification and esterification of methacrylic acid

A crude p-hydroxymethylbenzoic acid compound containing 4-carboxybenzaldehyde is purified and decolorized by hydrogenation in the presence of a platinum on carbon catalyst. 4-carboxybenzaldehyde is hydrogenated to p-hydroxymethylbenzoic acid. Toluic acid is not a product of the hydrogenation process.

Process for purification of crude p-hydroxymethylbenzoic acid

A process is disclosed for preparation of hydroxymethyl aryl monocarboxylic acid compounds by reduction of arylene dicarboxylic acid compounds in the presence of a rhenium catalyst and an aqueous solvent.

Growing community of inventors

Glen Ellyn, IL, United States of America

Lawrence D Lillwitz