Easy-to-recycle laminated material for packaging use
US5506036A · kind A · utility
37Cited by
12References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1994 |
| Grant date | Apr 9, 1996 |
| Priority date | — |
| Expiry date | Aug 5, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31928
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A laminated material for packaging containers comprising polyvinyl alcohol or other water-soluble, thermoplastic resin layers disposed on both sides of a paperboard base material layer and other thermoplastic synthetic resin layers laminated thereon. An aluminum foil layer 5 may be provided over a polyolefin adhesive resin layer. The paper pulp can be readily separated from the polyethylene and other thermoplastic synthetic resins during the recycling process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.