Flexible pipe

US6815024B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Reinhard Beuth · Marl, DE
• Olivier Farges · Marl, DE
• Harald Kaiser · Marl, DE
• Michael Schlobohm · Haltern, DE

Key dates

• Filing date: Nov 18, 1999
• Grant date: Nov 9, 2004
• Expiry date: Nov 18, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/1397
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A pipe whose at least interior wall structural component is comprised of:I. from 40 to 80 parts by weight of a polyamide, andII. from 60 to 20 parts by weight of a flexible polymer whose main chains consist of carbon atoms, where the amounts of I and II in parts by weight total 100, the pipe being useful for the piping of aqueous, aqueous-alcoholic or purely alcoholic liquids.