Invention Grant
- Patent Title: Pressure pipes
- Patent Title (中): 压力管道
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Application No.: US10495539Application Date: 2002-11-06
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Publication No.: US07799397B2Publication Date: 2010-09-21
- Inventor: Karl Ebner , Juergen Emig , Franz Ruemer
- Applicant: Karl Ebner , Juergen Emig , Franz Ruemer
- Applicant Address: FI Porvoo
- Assignee: Borealis Technology Oy
- Current Assignee: Borealis Technology Oy
- Current Assignee Address: FI Porvoo
- Agency: Jordan and Hamburg LLP
- Priority: EP01127005 20011114
- International Application: PCT/EP02/12368 WO 20021106
- International Announcement: WO03/042260 WO 20030522
- Main IPC: B32B1/08
- IPC: B32B1/08 ; B32B27/00
Abstract:
A pressure pipe with increased long-term pressure resistance is comprised of a polypropylene composition. The polypropylene composition is comprised of a polyproyplene copolymer which is at least partially crystallised in the β-modification.
Public/Granted literature
- US20050053741A1 Pressure Pipes Public/Granted day:2005-03-10
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