Shell Oil Comapny

Basell Polyolefine Gmbh

Eric Kragtwijk

Eit Drent

Frederik Hendrik Van Der Steen

Andrew David Horton

Robert Hardy Ellison

Jan F Van Baar

Peter A Schut

Gerard M M Van Kessel

Johan Stapersma

Max Van De Pas

A catalyst system for the polymerization of olefins comprising the product obtained by contacting:

Catalyst system and process for the polymerization of olefins

A hydroformylation process comprising reacting a compound having at least one olefinic carbon-to-carbon bond with hydrogen and carbon monoxide in the presence of a cobalt catalyst, the hydroformylation process being carried out in one or more reactors, at least one of which comprises a gas cap region and a liquid-containing region while in use, characterized in that a sulphur-containing additive is present on the inside walls of the gas cap region of the at least one-reactor which comprises a gas cap region and a liquid-containing region. The sulphur-containing additive suppresses the formation of methane during the hydroformylation process.

Hydroformylation process

A process for the carbonylation of acetylenically unsaturated compounds in the presence of a nucleophilic compound having one or more removable hydrogen atoms and a catalyst system based on a source of platinum, a bisphosphine of the formula R.sub.1 R.sub.2 PRPR.sub.3 R.sub.4 wherein each of R.sub.1,R.sub.2,R.sub.3 and R.sub.4 independently represents a hydrocarbyl group and R represents a bivalent bridging group and a source of anions from a conjugated base of an acid having a pKa of less than 4.

Process for the carbonylation of acetylenically unsaturated compounds

A process for the hydroformylation of .alpha.-substituted, .alpha.-.beta.-unsaturated carbonyl compounds in the presence of a catalyst system based on

Process for the hydroformylation of unsaturated carbonyl compounds

The invention relates a process for the carbonylation of epoxides by reaction with carbon monoxide in the presence of a catalyst system containing a source of cobalt and a hydroxy substituted pyridine compound, whereby .beta.-propiolactones and/or derivatives thereof, such as .beta.-propiolactone polymers, .beta.-hydroxy carboxylic acids and esters, and .beta.-alkoxy carboxylic acids and esters, are produced.

Carbonylation of epoxides

A process for the preparation of copolymers of carbon monoxide and olefinically unsaturated compounds in the presence of an aprotic solvent and a catalyst system consisting essentially of:

Preparation of copolymers of carbon monoxide and olefinically

Linear alternating polymers of carbon monoxide, non-conjugated alkenylbenzene compound and optionally ethylene are produced by contacting the monomeric reactants under polymerization conditions in the presence of an inert reaction diluent and a catalytic quantity of a catalyst composition formed from a compound of palladium, the anion of a strong non-hydrohalogenic acid having a pKa less than 2 and a bis(dialkylphosphino)alkane. The polymer products are thermoplastics and have utility as engineering thermoplastics.

Growing community of inventors

Amsterdam, Netherlands

Eric Kragtwijk