Biodegradable film
US9539794B2 · kind B2 · utility
0Cited by
3References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2012 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Nov 12, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3179
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present application concerns a coated film comprising a substantially biodegradable substrate having a biodegradable coating thereon at a coat weight of not more than 12 gsm, as well as useful articles sealed inside a package at least partly comprising such a film, and also a process for producing a coated film comprising providing a substantially biodegradable film substrate and applying a biodegradable coating to the substrate at a coat weight of less than 12 gsm by means of a hot melt coating step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.