Patent ID: 8629075

Claim:
A 4-methyl-1-pentene polymerizing or copolymerizing catalyst comprising a solid titanium catalyst component (I) comprising titanium, magnesium, halogen, and a compound having two or more ether linkages interposed with a plurality of atoms represented by general formula (1) below: wherein each of R 1 , R 3 , R 6 , and R 8 is a hydrogen atom; R 2 is a methyl group; R 7 is a methyl group; each of R 4 and R 5 is an atom or group having at least one kind of element selected from carbon, hydrogen, oxygen, halogens, nitrogen, sulfur, phosphorus, boron, and silicon; and the total number of carbon atoms in R 4 and R 5 is 4 to 6.