Highly abrasion-resistant grafted polyolefin pipe
US8753472B1 · kind B1 · utility
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19Claims
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Key dates
| Filing date | Apr 5, 2013 |
| Grant date | Jun 17, 2014 |
| Priority date | — |
| Expiry date | Apr 5, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/198
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A pipe or tube article comprising an innermost layer made from a grafted polyolefin composition is disclosed which can provide long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Methods for preparing the article and transporting abrasive materials through the article are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.