About: metallocene catalyst

Premodifier: metallocene
Head noun: catalyst

Same concepts
http://dbpedia.org/resource/Ziegler–Natta_catalyst

Broader concepts

label	provenance	confidence
single site catalyst	isap:60788751	0.815222
suitable catalyst	isap:60788814	0.774938
catalyst composition	isap:83637400	0.697312
single-site catalyst	isap:60788743	0.679412
system	isap:484337560	0.542493
catalyst	isap:60788744	0.512394

Narrower concepts

label	provenance	confidence
patent application de 4313088a1	isap:412070268	0.586311
polyethylene	isap:426020729	0.420607
catalyst	isap:60788748	0.351737