C
CHEMISTRY; METALLURGY
C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08F
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
C08F4/00
Polymerisation catalysts
C08F4/42
Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
C08F4/44
selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
C08F4/60
together with refractory metals, iron group metals, platinum group metals, manganese, rhenium; technetium; or compounds thereof
C08F4/62
Refractory metals or compounds thereof
C08F4/64
Titanium, zirconium, hafnium or compounds thereof
C08F4/659
Component covered by group C08F4/64 containing a transition metal-carbon bond
C08F4/6592
containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring