Packaging materials having oxygen barrier quality
US5518792A · kind A · utility
10Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1994 |
| Grant date | May 21, 1996 |
| Priority date | — |
| Expiry date | Aug 24, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The improved packaging material having oxygen barrier quality has a thin layer of inorganic substance formed on a layer of resin composition having oxygen barrier quality that comprises at least a thermoplastic resin and an oxidation catalyst. The packaging material is inexpensive, can be processed efficiently and it yet develops high oxygen barrier quality right after processing and maintains it for a prolonged period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.