Biodegradable moulding compositions comprising a starch, a biodegradable polyester, and a salt of a hydroxycarboxylic acid
US5703160A · kind A · utility
83Cited by
3References
45Claims
0Family size
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Key dates
| Filing date | Jul 15, 1993 |
| Grant date | Dec 30, 1997 |
| Priority date | — |
| Expiry date | Jul 15, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is a thermoformable composition characterized in that it contains at least one starchy compound, at least one biodegradable polyester and at least one salt of hydroxycarboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.