Biodegradable sheets
US10675845B2 · kind B2 · utility
0Cited by
18References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2015 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | May 13, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31844
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a biodegradable sheet comprising at least two polymer layers, wherein a first polymer layer comprises a mixture of at least two different biodegradable polymers selected from the group consisting of PLA, PCL, PBS and PBSA; and wherein a second polymer layer comprises a biodegradable polymer selected from the group consisting of PBS, PBSA, a mixture of PLA and PBS, and a mixture of PLA and PBSA.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.