Starch-based biodegradable material composition
US8110380B2 · kind B2 · utility
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4References
20Claims
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Key dates
| Filing date | Apr 29, 2008 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Oct 10, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2995/006
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A starch-based biodegradable material composition includes: an enzyme-hydrolyzed starch; and a biodegradable polyester selected from at least one of an aliphatic polyester of polybutylene succinate and an aliphatic-aromatic copolyester. The enzyme-hydrolyzed starch is prepared by hydrolyzing a native starch using a starch-hydrolyzing enzyme. The starch-hydrolyzing enzyme has an activity unit ranging from 15000 to 40000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.