Thermoplastic composition comprising a CO2 releasing material
US7314895B2 · kind B2 · utility
1Cited by
76References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2004 |
| Grant date | Jan 1, 2008 |
| Priority date | — |
| Expiry date | Dec 20, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2300/22
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A composition comprising a thermoplastic and a CO2 releasing material; wherein the CO2 releasing material comprises: a) a carbon and oxygen containing salt of an alkali or alkaline earth metal; and b) an acid; the CO2 releasing material has a sufficient amount and ratio of the carbon and oxygen containing salt of the alkali or alkaline earth metal and the acid so that, in the presence of water, the CO2 releasing material reacts to release CO2 gas through the thermoplastic into a surrounding environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.