Shell Oil Comapny

Peter Arnoldy

Eit Drent

Hans A Stil

Peter A Klusener

Robert Moene

Cornelis Mark Bolinger

Fit Drent

Leonardus Petrus

Frederik Hendrik Van Der Steen

David M Clark

Johan Van Gogh

Wilhelmus Petrus Mul

Robert Hardy Ellison

Petrus J Tromp

Cornelius Mark Bolinger

Cornelis Hyacinthus Maria Van Der Hulst

Herman Pieter Charles Eduard Kuipers

Theodoor Johan Simons

Antoon P Kremers

Arnoldus Maria Iping

Johannes Jacobus Keusper

Patricia Johanna Giltay

Jan J Keijsper

A process for producing branched olefins from a mixed linear olefin/paraffin isomerisation feed comprising linear olefins having at least 7 carbon atoms in 5-50% w comprising in a first stage skeletally isomerising linear olefins in the isomerisation feed and in a second stage separating branched and linear molecules wherein branched molecules are substantially olefinic and linear molecules are olefinic and/or paraffinic; novel stages and combinations thereof; apparatus therefor; use of catalysts and the like therein; and use of branched olefins obtained thereby.

Process for producing branched olefins from linear olefin/paraffin feed

A process for producing branched olefins from a mixed linear olefin/paraffin isomerisation feed comprising linear olefins having at least 7 carbon atoms in 5&#x2013;50% w comprising in a first stage skeletally isomerising linear olefins in the isomerisation feed and in a second stage separating branched and linear molecules wherein branched molecules are substantially olefinic and linear molecules are olefinic and/or paraffinic; novel stages and combinations thereof; apparatus therefor; use of catalysts and the like therein; and use of branched olefins obtained thereby.

A hydroformylation process is provided that involves reacting a compound having at least one olefinic carbon-to-carbon bond with hydrogen and carbon monoxide in the presence of a cobalt catalyst and a sulfur-containing additive which suppresses the formation of cobalt carbide in the reaction mixture.

Hydroformylation process

A process for the hydroformylation of ethylenically unsaturated compounds with carbon monoxide and hydrogen in the presence of a catalyst system comprising

A process for the hydroformylation of ethylenically unsaturated compounds with carbon monoxide and hydrogen in the presence of a catalyst system comprising:

A process is provided for the hydroformylation of ethylenically unsaturated compounds having at least 4 carbon atoms by reaction thereof with carbon monoxide and hydrogen in the presence of a solvent and a catalyst system obtainable by combining:

The invention provides a process for the carbonylation of an olefinically or acetylenically unsaturated compound which comprises:

Carbonylation reactions

The invention relates to a process for the carbonylation of an olefinically or acetylenically unsaturated hydrocarbon compound by reaction with carbon monoxide and a hydroxy compound in the presence of a catalyst system comprising a source of cationic palladium, a source of phosphine and a protonic acid, which reaction is carried out in the presence of a free radical inhibitor.

Carbonylation process using palladium phosphine 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.

Carbonylation catalyst system

A process for the preparation of alkenes by contacting a feed containing one or more C.sub.2 -C.sub.10 alkanes at an elevated temperature with a catalyst containing 1-15% w vanadia, calculated as divanadium pentoxide relative to the weight of the catalyst, on a refractory support, where the feed is contacted with the catalyst at a temperature of 600.degree. C. or above during less than 4 seconds.

Process for the preparation of alkenes

A process for the pulping of lignocellulose-containing material, wherein the material is contacted with a pulping medium containing at least 75% by weight of a solvent system, which solvent system comprises from 20 to 95% by weight formic acid; from 5 to 80% by weight of at least one member selected from primary alcohols having from 1 to 3 carbon atoms and esters of formic acid with primary alcohols having from 1 to 3 carbon atoms; and up to 70% by weight of at least one component selected from acetic acid and esters of acetic acid with primary alcohols having from 1 to 3 carbon atoms; and allowing the material to digest at a temperature in ther range of from 140.degree. to 200.degree. C.

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Amsterdam, Netherlands

Peter Arnoldy