Shell Oil Comapny

Hexion Specialty Chemicals, Inc.

Hans A Stil

Peter A Klusener

Harry Van Der Heijden

Johannes A Van Doorn

Johannes J Snel

Peter Arnoldy

Fit Drent

Jean-Paul Lange

Petrus W Van Leeuwen

Leonardus Petrus

Hendrik Stichter

Jacobus Johannes Cornelis Geerlings

Vincent Otten

Peter Marie Paulus

The present invention provides a process for the preparation of Ti-doped alkali metal and/or alkaline-earth metal aluminum hydride, comprising intimately mixing: an alkali metal and/or alkaline-earth metal aluminum hydride, or at least one alkali metal hydride and/or alkaline-earth metal hydride, metallic aluminum and H, with in the range of from 0.5 to 20 mol % of Ti(OCH), based on the moles of Al in the prepared Ti-doped alkali metal and/or alkaline-earth metal aluminum hydride. The invention further relates to a Ti-doped alkali metal and/or alkaline-earth metal aluminum hydride, obtainable by a process according to the invention, a hydrogen storage material comprising a Ti-doped alkali metal and/or alkaline-earth metal aluminum hydride according the invention, a process for reversibly desorbing and/or absorbing hydrogen, the use of a Ti-doped alkali metal and/or alkaline-earth metal aluminum hydride according to invention to store hydrogen and the use of Ti(OCH)as Ti-dopant for an alkali metal and/or alkaline-earth metal aluminum hydride.

Process for preparing Ti-doped hydrides

A manufacturing process for the preparation of &#x3b1;,&#x3b1;-branched alkane carboxylic acids, by reacting a mono-olefin or a precursor thereof, with carbon monoxide in the presence of a strong acid catalyst characterized in that the starting olefin is a dimmer C8 or trimer C12 derived from n-butene, which predominantly comprise 2-butene, that the acid catalyst is composed of BF/HPOin a molar ratio of BF:HPOin the range of from 0.5:1.0 to 5.0:1.0, or of CFSOH, that the weight ratio of the catalyst relative to the mono-olefin is in the range of from 1:1 to 10:1, that the reaction is carried out at a temperature in the range of from 60 to 140&#xb0; C., and with an initial water content in the catalyst system in the range of from 8 to 25 wt %; and vinyl esters and glycidyl esters derived from said carboxylic acids.

Manufacturing process for the preparation of &#x3b1;,&#x3b1;-branched alkane carboxylic acids providing esters with an improved softness

A process for manufacture of &agr;,&agr;-branched carboxylic acids from linear olefins by means of reaction with carbon monoxide and an acid catalyst, characterized in that a linear olefin containing from 2 to 5 carbon atoms, or a precursor thereof, is reacted in a batch reactor or a continuous reactor, with carbon monoxide and water, in the presence of a catalyst having sufficient acid groups to provide requisite protons for the formation of Koch acid, and in the presence of a polar non-coordinating organic solvent.

Process for the manufacture of &agr;, &agr;-branched carboxylic acids

It is herein disclosed a novel catalyst systems comprising:

Catalyst system and copolymerization process

A process for the preparation of copolymers of carbon monoxide and one or more ethylenically unsaturated non-aromatic compounds by contacting the monomers, under polymerization conditions, with a catalyst system consisting essentially of palladium, a bisphosphine ligand and a source of anions, derived from the conjugated base of acids having a pKa of less than 4, in the additional presence of a 1-alkenyl substituted arylgroup containing compound.

Preparation of copolymers

A process for the preparation of copolymers of carbon monoxide and one or more ethylenically unsaturated compounds by contacting the monomers, under polymerization conditions, with a catalyst system comprising a) a source of cations of one or more metals of Group VIII of the Periodic Table and b) a bidentate ligand, and c) a minor amount of a compound containing a hydride moiety. Copolymers made by this process generally have low molecular weights.

An improved process for the production of linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon employs a novel catalyst composition formed from a compound of palladium, the anion of a strong non-hydrohalogenic acid and a bidentate ligand of phosphorus wherein the divalent group bridging the two phosphorus atoms is 2-hydroxy-2-alkyl-1,3-propylene.

Polymerization process

An improved process for the production of linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon, preferably propylene, includes an aromatic amine in the catalyst composition formed from a palladium salt, the anion of a strong non-hydrohalogenic acid and a bidentate ligand of phosphorus. The presence of the aromatic amine reduces the proportion of 3-alkyl-2,5-furandiyl moieties present in the polymer chain.

Polymerization catalyst

The invention relates to a catalyst system, which comprises a source of a Group VIII metal and a polyphosphine. The invention further relates to a process for the preparation of alpha, beta-olefinically unsaturated compounds utilizing this catalyst system.

Growing community of inventors

Amsterdam, Netherlands

Hans A Stil