Premium pipe resins
US6403181B1 · kind B1 · utility
14Cited by
16References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 1997 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Apr 25, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1397
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to the production of high performance conduits. The invention includes the high performance conduits, the polyethylene resin used to make them, and the process for producing the resin which produces a resin with properties which are required, in accordance with the invention to yield the performance characteristics of the resin in conduits.The resin used in accordance with the invention exhibits a bimodal molecular weight distribution or broad molecular weight distribution and is of high molecular weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.