Multi-layer gas-barrier drawn polyester vessel
US4816304A · kind A · utility
12Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1987 |
| Grant date | Mar 28, 1989 |
| Priority date | — |
| Expiry date | Jan 22, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a multi-layer gas-barrier drawn polyester vessel, which comprises an open end portion, a barrel portion which is molecularly oriented in at least one axial direction and a closed bottom portion, said vessel having inner and outer layers composed of a thermoplastic polyester or copolyester and a gas-barrier intermediate layer composed of an ethylene/vinyl alcohol copolymer having an ethylene content lower than 50 mole %, wherein a copolymer nylon resin or a blend of a plurality of nylon resins is interposed as an adhesive between two adjacent layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.