Catalytic trimerization and tetramerization of olefinic monomers

• Main Authors: DE BOER ERIC JOHANNES MARIA, VAN DER HEIJDEN HARRY, VAN ZON ARIE, SMIT JOHAN PAUL, ON QUOC AN
• Format: Patent
• Language: Chinese; English
• Published: 22.10.2008
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

A catalyst precursor composition comprising: a) a source of chromium, molybdenum or tungsten; b) a first ligand having the general formula (I); (R ) (R ) P-X-P(R ) (R ) (I), wherein: X is a bivalent organic bridging group; R and R are independently selected from, hydrocarbyl, substituted hydrocarbyl...