Production of a composite material having a biodegradable plastic substrate and at least one coating
US7109070B2 · kind B2 · utility
43Cited by
2References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2003 |
| Grant date | Sep 19, 2006 |
| Priority date | — |
| Expiry date | Jan 31, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
To improve a biodegradable plastic substrate by applying a coating, the invention provides a process for producing a composite material in which a biodegradable plastic substrate is provided, which is coated on at least one surface with at least one barrier layer, the barrier layer being deposited by chemical vapor deposition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.