Multi-layer container
US8268417B2 · kind B2 · utility
5Cited by
130References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2010 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Apr 29, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1379
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
One embodiment of the present invention provides a partly-biodegradable system, which comprises a non-biodegradable portion and a biodegradable portion wherein the non-biodegradable portion is easily separated from the biodegradable portion for disposal of the system. In certain embodiments, the system further comprises a cover layer of non-biodegradable film which adheres to the first non-biodegradable portion to form a sealed compartment for food or drink reservation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.