Multilayer tubular structure having better resistance to extraction in biofuel and use thereof
US11598452B2 · kind B2 · utility
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14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2020 |
| Grant date | Mar 7, 2023 |
| Priority date | — |
| Expiry date | Apr 8, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a multilayer tubular structure (MLT) intended for the transport of fluids, in particular of petrol, especially alcohol-containing petrol, comprising, from the outside inwards, at least one barrier layer (1) and at least one inner layer (2) located below the barrier layer,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.