Patent · US Expired

Polymer composition for pipes

US7416686B2 · kind B2 · utility

6Cited by

2References

10Claims

0Family size

Assignee

Borealis Technology Oy · FI

Inventors

Jari Aarila · Porvoo, FI
Mats Bäckman · Gothenburg, SE

Key dates

Filing date	Mar 21, 2001
Grant date	Aug 26, 2008
Priority date	—
Expiry date	Sep 26, 2023

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16L9/12
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Pipes having a design stress of at least 9.0 MPa are produced by using a new bimodal polyethylene composition of particular properties compounded with carbon black.

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