Biodegradable aliphatic-aromatic copolyester films
US7153569B2 · kind B2 · utility
31Cited by
42References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2004 |
| Grant date | Dec 26, 2006 |
| Priority date | — |
| Expiry date | Jan 9, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Biodegradable aliphatic-aromatic films are disclosed. The films comprise filler particles and a copolyester. The films have high vapor permeability and tensile strength and are suitable for use in absorbent and non-absorbent products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.