Biodegradable foamed articles and process for the preparation thereof
US5589518A · kind A · utility
33Cited by
5References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2303/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Biodegradable foamed articles having density comprised from 5 to 300 kg/m.sup.3 obtained by agglomeration of foamed particles having composition comprising a thermoplastic starchy material or a thermoplastic natural polymer capable of absorbing water when converted into the thermoplastic state, a thermoplastic polymer, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.