Patent · US Expired

Polymer composition

US7511099B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

Borealis Technology Oy · FI

Inventors

Mats Bäckman · Gothenburg, SE
Eric Van Praet · Mörbylånga, SE
Remco Van Marion · Porvoo, FI

Key dates

Filing date	Mar 26, 2004
Grant date	Mar 31, 2009
Priority date	—
Expiry date	Mar 26, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L23/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to novel multimodal polyethylene polymers comprising a low molecular weight fraction and a high molecular weight fraction, and having a MFR5 of greater than 0.10 g/10 min and less than or equal to 0.22 g/10 min, and a density of greater than equal to 952 kg/m3. The invention also relates to uses of the novel polymers in the production of polymeric articles, especially pipes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.