The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2001
Filed:
Mar. 19, 1998
Tsutomu Ushioda, Chiba, JP;
Jun Saito, Chiba, JP;
Mototake Tsutsui, Chiba, JP;
Shingo Kikukawa, Chiba, JP;
Akira Yamauchi, Chiba, JP;
Chisso Corporation, Osaka, JP;
Abstract
The present invention provides a polypropylene composition having a high melt tension and an excellent formability by blending polypropylene (I) produced with a metallocene catalyst type and an olefin (co)polymer (II) comprising 0.01 to 5 parts by weight of the following component (II-1) and 100 parts by weight of the following component (II-2); (II-1): an ethylene homopolymer or an ethylene-olefin copolymer comprising at least 50 wt % ethylene polymerization units, which is a high molecular weight polyethylene having an intrinsic viscosity [&eegr;,] measured in tetralin at 135° C. of 15 to 100 dl/g; and (II-2): polypropylene.