Hydrogen sulfide scavenger
US9783458B2 · kind B2 · utility
10Cited by
1References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 21, 2014 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Mar 21, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/175
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present disclosure is related to a family of metals chelates for use as a hydrogen sulfide scavenger in asphalt, and the preparation thereof. The metal chelates, in particular amino acid metal chelates, are particularly efficient at reducing the hydrogen sulfide emissions of asphalt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.